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Human nutrient deficiencies remain prevalent globally and are particularly common in low- and middle-income countries, such as Kenya. Fish holds potential to help address these deficiencies but remains barely incorporated in nutrition policies and strategies, partly due to a lack of supporting evidence. We address this gap by analyzing sixteen years of fisheries production and trade data from marine, freshwater, and aquaculture systems to evaluate fish nutrient supply, assess changes in supply, and determine the contributions the current supply could make to meet the nutritional needs of children under five years in Kenya. Despite an 11% increase, through time, in the total supply of fish, there was a 24% decline in per capita fish consumption due to fishery changes and increased fish demand. Furthermore, a 21% decline in supply of fish from inland freshwater systems resulted in a 25–40% decline in nutrient supply. Based on the current supply of fish, Kenya's per capita consumption of 2.5 kg/yr is below WHO recommendations of 10.4 kg/yr. However, this supply has the potential to support nearly 13 million Kenyans at this WHO recommendation. If supply was targeted towards vulnerable groups, such as children under five years, it could supply all children in Kenya with one-third of their calcium, selenium, and protein and over 70% of children in Kenya with one-third of their iron, zinc, and omega-3 polyunsaturated fatty acids requirements. Therefore, fish can play an important role in supporting nutritional security in Kenya if strategic interventions involving all relevant sectors are considered, to reduce identified nutrient deficiencies. [ABSTRACT FROM AUTHOR]

A poor nutritional status in children results in reduced physical and mental health and poor academic performance. The National Homegrown School Feeding Program (NHSFP) was introduced in Nigeria in 2016 to ameliorate short-term hunger and improve the nutritional status of school-aged children (SAC). At least 33% of the recommended nutrient intake (RNI) for the enrolled students should be met by the school meals. However, to our knowledge, the contribution of school meals served through the NHSFP to the RNI of SAC in Zaria, Nigeria, remains to be explored. We conducted a school-based cross-sectional study among 276 eligible SAC recruited from public primary schools in the Zaria Local Government Area. Portion sizes of the meals served through the NHSFP were determined using an electronic scale, meal samples were collected for nutrient analysis, and the average daily nutrient intake of the participants from the meals was calculated. The average daily intake of nutrients and energy of the participants was compared with the age- and sex-specific RNI to estimate the percentage contribution of the meals. The portion sizes recorded were 199.3 ± 20.6 g, 263.9 ± 11.5 g, 242.1 ± 16.8 g, 311 ± 17.3 g, and 160.3 ± 1.9 mL, respectively, for moi-moi, jollof rice and beans, bean porridge, jollof rice and boiled egg, and yoghurt. In addition, the meals contained moisture (30.13–66.11%), ash (0.73–7.08%), crude fat (9–32.61%), crude protein (7.25–24.5%), crude fiber (0–2.45%), and total carbohydrate (2.19–29.74%) with an energy content ranging from 183.6 to 330.57 kcal. Similarly, the meals contained calcium (82.58—711 mg), potassium (133–797 mg), sodium (340–1720 mg), iron (0.078–8.60 mg), zinc (1.84–13.4 mg), vitamin A (2.38–100.56 RAE), and vitamin C (0.04–1.57 mg) per 100 g of the school meals. The meals contributed 18.2–19.1%, 102.8–183.7%, 13.04–13.6%, and 26.1%–35.8% of the RNI for carbohydrates, proteins, fiber, and energy, respectively. Furthermore, they contributed 137–175%, 314.3–502.2%, 87.6–142.1%, 21.5–25.1%, 279.2–348.5%, 3.3–5.9%, 24.7–48.8%, and 3.3–5.9% of the RNI for iron, zinc, calcium, potassium, sodium, vitamin A, and vitamin C, respectively. The meals served through the NHSFP contributed at least 33% of the RNI for energy, protein, iron, calcium, sodium, vitamin A, and zinc. However, they could not meet the 33% of the RNI for carbohydrates, fiber, potassium, and vitamin C. Increasing the portion sizes and the diversity of the meals can address the suboptimal contribution of the meals to the RNI for carbohydrates, fiber, potassium, and vitamin C. [ABSTRACT FROM AUTHOR]

Edible crabs of different species are well-known as rich sources of protein and minerals. The present study evaluated the nutritional profile of Portunus pelagicus and Portunus sanguinolentus crabs collected from the coastal Cox’s Bazar district of Bangladesh. The meat and shell parts of both male and female crabs were analyzed for moisture, protein, fat and ash/minerals. The meats contain significantly higher amount of protein (12.72-19.25%), fat (2.78-4.06%), moisture (74.71-79.81%) and lower amount of ash (1.06-2.01%) compared to the shells (0.94-1.55% protein, 0.87-1.33% fat, 47.59-51.01% moisture and 20.99-24.48% ash). Among the minerals, calcium, iron and phosphorus are significantly higher in the shells (6567.11-9463.03 mg/100g, 10.36-31.72 mg/100g and 97.76-127.67 mg/100g, respectively) than in the meats (23.33-233.09 mg/100g, 4.22-8.34 mg/100g and 51.88-63.28 mg/100g, respectively). The findings of the present study suggest that the meat and shell of these crabs could be considered for consumption as excellent sources of protein and minerals essential for infants, young children, adults, pregnant and lactating women.

Angola suffers from a high child mortality rate and a prevalence of anemia due to malnutrition. The aim of this study is to provide a comprehensive overview of the mineral content of 43 wild edible plants. A total of 24 different elements (aluminum, antimony, arsenic, cadmium, calcium, chromium, cobalt, copper, iron, lead, lithium, magnesium, manganese, molybdenum, nickel, potassium, selenium, silicon, sodium, strontium, titanium, thallium, vanadium, zinc) were analyzed by inductively coupled plasma atomic emission spectroscopy to identify nutritional beneficial and hazardous plants. For the majority of studied species (31 of 43) data lack completely. For the remaining, only macronutrient contents are published yet, determining their (ultra)trace element and heavy metal contents for the first time. None of the examined plants pose a risk to human health due to low heavy metal contents, seasonality, and low amounts of consumed plant parts. Iron and zinc rich plant parts, such as fruits of Canarium schweinfurthii, or leaves of Crassocephalum rubens, Solanum americanum, and Piper umbellatum could help combating deficiency syndromes. The genus Landolphia shows to be an aluminum hyperaccumulator with aluminum contents >1000 mg/kg. Results of this study serve as a database for upcoming research. The nutritional value of edible plants is evaluated. [ABSTRACT FROM AUTHOR]

Globally, there is growing interest to integrate cricket-based ingredients (flour) into food products to combat food and nutrition insecurity. However, there is lack of information on in-depth nutrient profile of the two cricket species (Scapsipedus icipe and Gryllus bimaculatus), which are the most widely consumed in Africa. Here we determined the nutrient composition of two cricket species and compared them with published records of key animal and plant sources. Our results revealed that the crude protein contents of S. icipe and G. bimaculatus were similar (56.8 and 56.9%, respectively) and comparable to those of animal protein sources. Both cricket species had balanced amino acid profiles that are superior to that of animal and plant sources, except for histidine and cysteine. The protein digestibility of S. icipe and G. bimaculatus ranged between 80 and 88%, which is comparable to that of common plant foods but slightly lower than that of animal proteins. The iron, Zinc, and potassium contents were considerably higher in both cricket species compared to that of plant and animal sources. The calcium contents of both crickets (S. icipe and G. bimaculatus) was superior to that of plant and animal origin except for kidney beans and eggs, respectively. Riboflavin, thiamine, and folic acid concentrations of S. icipe and G. bimaculatus were superior to that of the conventional sources. Vitamin A levels were significantly higher in S. icipe compared to G. bimaculatus. This implies that S. icipe and G. bimaculatus can adequately contribute to our daily required nutrient intake. Thus, integrating cricket flours into ready-to-eat food products would address some of the most pressing nutritional deficiency challenges that many developing countries have to grapple with, particularly high risk to serious health problems such as anemia, poor pregnancy outcomes, hypertension, increased risk of morbidity and mortality, stunted growth and impaired physical and cognitive development. We conclude that edible crickets present unique opportunities for improving food and nutritional insecurity status of both resource-poor and Western populations.

Summary: Intake of plant-based protein and recommended protein intake are associated with a lower risk of osteosarcopenic adiposity (co-occurrence of osteopenia/osteoporosis, sarcopenia, and adiposity) in elderly Korean men. Introduction: Osteosarcopenic adiposity (OSA) syndrome is defined as the concurrent presence of osteopenia/osteoporosis, sarcopenia, and adiposity and leads to negative functional and metabolic outcomes in late adulthood. This study aimed to investigate the association between OSA and protein intake in adults aged 50 or older. Methods: A population-based, cross-sectional survey was conducted using the Korea National Health and Nutrition Examination Survey 2008–2009 data and included 645 men and 706 women aged 50 or older. Subjects were classified into normal and OSA groups. Protein intake was analyzed using the 24-h recall method. Results: There was no significant difference in the intake of total protein and animal-based protein between normal and OSA groups. However, in males, the intake of plant-based protein (p = 0.0031) was significantly lower in the OSA group than that in the normal group. Further, the protein intake in the OSA group was 0.96 g/kg/day, which was significantly lower than that in the normal group (1.06 g/kg/day; p = 0.0203). After adjusting for confounding factors, men over 65 years old who consumed less than the recommended nutrient intake (RNI) of 0.91 g/kg/day had 5.82 times higher risk of OSA compared with subjects consuming protein equal to or greater than the RNI amount (95% CI 1.81–18.66). Conclusion: In conclusion, a protein intake of RNI or more is associated with a lower risk of OSA in Korean elderly men. [ABSTRACT FROM AUTHOR]

Graphical abstract Highlights • The highest contents in the three oligoelements were in fish group. • The lowest contents were in meat (I) and dairy products (Se and Fe). • Larges variations were observed for iodine and selenium contents in national FCDBs. • Iodine accounting for 40% RNI and selenium exceeds 1.5 times RNI. • Iron maximum contribution for RNI was in bovine meat. Abstract Iodine, selenium and iron are micronutrients essential for thyroid hormone synthesis causing their low plasma levels an additional risk of autoimmune thyroid diseases. A Portuguese TDS pilot study representative of diets in Portugal was carried out, since foods are the main natural sources of these micronutrients. Six hundred and twenty-four samples were collected based on local markets and later analysed in pools of ten meat samples, twenty-seven fish, nine chicken eggs and six cow dairy products. The iodine and selenium contents were determined using ICP-MS after alkaline (iodine) or acid digestion (selenium) and iron by ICP-OES after acid digestion. The highest content of three oligoelements was detected in fish. Meat had lower iodine content and the dairy products lower selenium and iron levels. Sardine presented significant different levels in summer and winter for iodine, and in summer and autumn for selenium, mackerel had diverse contents of iron in summer and autumn. The contribution of salmon and milk for iodine RNI was around 40%, for children and adults. Shrimp is also the food with more selenium, exceeding 1.5 times the % RNI for children and adults females, while iron maximum contribution was observed in meat for children and adult males. [ABSTRACT FROM AUTHOR]

In this study, we assessed the impact of two cooking methods, steaming and boiling, through the true retention (%TR) of minerals in pseudocereals and rice (varieties Indica and Japonica ). Mineral content was determined by ICP-OES. Cooking methods have an impact on mineral composition of pseudocereals with losses up to 20%. Quinoa’s %TR varied from 100% (manganese, phosphorus and iron) in steaming, to 83% (copper) in boiled. In amaranth, it ranged from 98% (copper) in boiling method, to 80% (magnesium) in steaming. Buckwheat presents a %TR of 100% in iron and 87% in zinc. For boiled rice, the losses were higher in the variety Indica , with a decrease of 34% for manganese. Steamed amaranth is a higher density food in particular for manganese, magnesium and phosphorus, which present a recommended nutrient intake (RNI) contribution of 70%, 65% and 44%, respectively. Rice represents the lowest contribution to mineral RNI. This study demonstrates that estimation of mineral intake should be based on data obtained from cooked food. [ABSTRACT FROM AUTHOR]

Résumé La dénutrition d’origine iatrogène et/ou pathologique touche quasiment un patient cancéreux sur deux. L’incidence de la tumeur sur l’organisme ainsi que les traitements entraînent des perturbations métaboliques qui aboutissent à l’augmentation des besoins énergétiques. La dénutrition diminue la qualité de vie et représente un facteur de mauvais pronostic. Le pharmacien d’officine peut aider le patient à adapter son alimentation en fonction des troubles tout en respectant les apports nutritionnels conseillés. Summary Iatrogenic and/or pathological malnutrition affects almost one in two cancer patients. The effect of the tumour on the organism as well as the treatments disrupt the metabolism resulting in an increase in energy needs. Malnutrition affects the patient's quality of life and prognosis. The community pharmacist can help patients to adapt their diet according to their condition while respecting the recommended nutrient intakes. [ABSTRACT FROM AUTHOR]

Earth materials, such as clays, anthills and dried-up pond sediments, are consumed by humans as a means of supplementing essential elements and for protection against toxins. A two-stage physiologically based extraction test (PBET), simulating the human stomach and intestine, was used to estimate the human bioaccessibility of Fe, Mn, Zn and Cu. Extracts from these earth materials were analysed by inductively coupled plasma mass spectroscopy (ICP-MS). Principal component analysis (PCA) was used to evaluate the relationships amongst bioaccessible element concentrations. The mean concentrations of elements for the stomach and intestinal phases were as follows; Fe, 0.94 and 0.20 ppm; Zn, 81.44 and 22.42 ppm; Mn, 10.10 and 1900 ppm; Cu, 24.93 and 230.04 ppm. Iron and Zn showed higher bioaccessibility under gastric conditions whilst Cu was bioaccessible only in the intestinal phase extract. Concentrations of Mn were the same in gastric and intestinal phases. There were strong associations between Zn, Fe and Mn. Some of the consumed earth materials could contribute to the daily recommended nutrient intake of Fe and provide a significant source of Mn and Cu for consumers of earth materials. [ABSTRACT FROM AUTHOR]

This article presents findings from three separate data sets on food consumption in apparently healthy Malaysian adult males and females aged 22-60 years, and secondary data extracted from the Malaysian Adult Nutrition Survey (MANS)2003. Assessment of food intake by 24-hour recall or the food diary method and use of the nutrient calculator- DietPLUS- to quantify intake of macronutrients and dietary fibre (DF) in the primary data, revealed low mean DF intakes of 10.7±1.0 g/day (Course participants, n=52), 15.6 ±1.2 (University sample, n=103), and 16.1 ±6.1 (Research Institute staff, n=25). An alarmingly high proportion of subjects (75 to 95%) in these three data sets did not meet the national population intake goal of 20-30 g DF/day. A list of 39 food items which contain fibre, extracted from the MANS 2003 report as being average amounts consumed daily by each Malaysian adult, provided 19.2 g DF which meant that >50% of Malaysian adults consumed less than the recommended DF intake of 20-30 g/day. This large deficit of actual intake versus recommended intakes is not new and is also observed in developed western nations. What is of great concern is that the preliminary findings presented in this article indicate that the national population goal of 20-30 g DF/day may be beyond the habitual diets of the majority of Malaysians. Appropriately, the authors propose the inclusion of a daily minimum requirement for DF intake in the Malaysian Dietary Guidelines, which would somewhat mimic the Malaysian Dietary Guidelines 1999 for dietary fat, as well as the stand taken by the Scientific Advisory Committee on Nutrition (SACN) of the United Kingdom. This minimum requirement, if agreed to, should not be higher than the 16 g DF or so provided by the hypothetical 'high-fibre' healthy diet exemplified in this article. [ABSTRACT FROM AUTHOR]

ObjectivesTo analyse trends in energy and nutrient intakes and nutritional adequacy from 1992 to 2003.DesignTwo consecutive cross-sectional studies carried out on random samples of the Catalan population ENCAT 1992–93 and ENCAT 2002–03. Dietary intake was assessed by means of two 24-hour recalls on non-consecutive days. Spanish food consumption tables were used. Energy and nutrient data were adjusted for intraindividual variability, and the Spanish recommend nutrient intakes (RNIs) were used in the analysis.SettingCatalonia region, North Eastern Spain.SubjectsAnalysis is based on a total of 4701 individuals; 2641 from ENCAT 1992–93 (1210 men and 1431 women) and 2060 from ENCAT 2002–03 (954 men and 1106 women), aged 10–75 years.ResultsNo relevant changes in energy intake trends were observed, although a decrease was observed in the daily consumption of proteins (−7 g), cholesterol (−56 mg), potassium (−245 mg), vitamin A (−283 RE μg), retinoids (−71 μg), carotenoids (−1520 μg), niacin (−29 mg), folates (−15 μg), vitamin B12 (−1.6 μg) vitamin D (−0.5 μg), fibre and iron, and an increase in the consumption of calcium (+57 mg) and a slight increase in lipids and fatty acids (% energy). In general, the most outstanding trends were those of vitamin A (as a result of the decreased consumption of offal), proteins, vitamin D and B12 (due to the decreased consumption of meat and fish) and calcium (as a consequence of the increased consumption of dairy products).ConclusionNo changes were observed in the energy intake of males or females; therefore, the obesity changes may possibly be attributed to changes in physical activity patterns. However, an increase in energy sources of a poorer nutritional profile has been identified, especially for between meal snacks. [ABSTRACT FROM PUBLISHER]

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Because humans evolved at equatorial latitudes, without modern clothing and shelter, their vitamin D supply would have been equivalent to at least 100 μg day[sup -1] (4000 units day[sup -1]). Thus, the human genome was selected for under conditions where the circulating 25-hydroxyvitamin D (25(OH)D) concentration was greater than 100 nmol l[sup -1]. This contrasts with modern humans in whom serum 25(OH)D is typically half that. This review poses the question of whether our genome was optimized for higher levels of vitamin D nutrition than are prevalent today. Many tissues possess 25(OH)D-1-hydroxylase and they can produce 1,25-dihydroxyvitamin D (1,25(OH)2D) for local, paracrine use. Furthermore, the activity of existing 1-hydroxylase depends upon the 25(OH)D concentration in a manner different from the substrate relationships for other hormone-producing systems. The functional, in vivo Km for 1,25(OH)2D production is higher than the concentration of substrate, 25(OH)D. That is, a doubling in 25(OH)D concentration will double the capacity for 1,25(OH)2D production in vivo. This applies not only to the kidney, but also to every tissue that possesses 1-hydroxylase. So far, there is little direct evidence for the health implications of this unique substrate relationship. The amounts of vitamin D that have been used in randomized clinical studies were small and do show some effect. Vitamin D supplementation with 20 μg day[sup -1] (800 IU day[sup -1]) is now recognized as preventing bone loss, reducing fracture risk, lowering blood pressure, and lowering circulating parathyroid hormone concentrations. However, the benefits of a higher vitamin D supply are implicated by the circumstantial evidence of epidemiological studies that reflect differences in the sun exposure that produces vitamin D in skin. These potential benefits of greater vitamin D nutrition include a reduction in the occurrence of breast, prostate, and bowel cancers and the autoimmune conditions of multiple sclerosis and insulin-dependent diabetes. Randomized clinical trials into these conditions should focus on the higher, physiological doses of nutritional vitamin D whose consumption has recently been shown to be safe for adults. Unfortunately, the term 'vitamin D' is so commonly misapplied to analogs of its hormonal form that research and side-effects relating to those analogs can be misinterpreted as being somehow related to nutrition. [ABSTRACT FROM AUTHOR]

Globally, there is growing interest to integrate cricket-based ingredients (flour) into food products to combat food and nutrition insecurity. However, there is lack of information on in-depth nutrient profile of the two cricket species ( Scapsipedus icipe and Gryllus bimaculatus ), which are the most widely consumed in Africa. Here we determined the nutrient composition of two cricket species and compared them with published records of key animal and plant sources. Our results revealed that the crude protein contents of S. icipe and G. bimaculatus were similar (56.8 and 56.9%, respectively) and comparable to those of animal protein sources. Both cricket species had balanced amino acid profiles that are superior to that of animal and plant sources, except for histidine and cysteine. The protein digestibility of S. icipe and G. bimaculatus ranged between 80 and 88%, which is comparable to that of common plant foods but slightly lower than that of animal proteins. The iron, Zinc, and potassium contents were considerably higher in both cricket species compared to that of plant and animal sources. The calcium contents of both crickets ( S. icipe and G. bimaculatus ) was superior to that of plant and animal origin except for kidney beans and eggs, respectively. Riboflavin, thiamine, and folic acid concentrations of S. icipe and G. bimaculatus were superior to that of the conventional sources. Vitamin A levels were significantly higher in S. icipe compared to G. bimaculatus . This implies that S. icipe and G. bimaculatus can adequately contribute to our daily required nutrient intake. Thus, integrating cricket flours into ready-to-eat food products would address some of the most pressing nutritional deficiency challenges that many developing countries have to grapple with, particularly high risk to serious health problems such as anemia, poor pregnancy outcomes, hypertension, increased risk of morbidity and mortality, stunted growth and impaired physical and cognitive development. We conclude that edible crickets present unique opportunities for improving food and nutritional insecurity status of both resource-poor and Western populations., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2021 Murugu, Onyango, Ndiritu, Osuga, Xavier, Nakimbugwe and Tanga.)

Seaweeds are indiscriminately said to contain significant amounts of vitamin C, but seaweeds are a diverse group, which may limit the ability to generalize. Several studies have been performed on vitamin C in seaweed, and this review covers these findings, and concludes on how much vitamin C is found in seaweeds. A systematic review of vitamin C in 92 seaweed species was conducted followed by analyzing the 132 data entries. The average vitamin C content was 0.773 mg g−1 seaweed in dry weight with a 90th percentile of 2.06 mg g−1 dry weight. The vitamin C content was evaluated based on taxonomical categories of green, brown and red seaweeds (Chlorophyta (phylum), Phaeophyceae (class), and Rhodophyta (phylum)), and no significant differences were found between them. The vitamin C content was compared to other food sources, and this showed that seaweeds can contribute to the daily vitamin C intake, but are not a rich source. Moreover, seasonal variations, analytical methods, and processing impacts were also evaluated. [ABSTRACT FROM AUTHOR]

Fish is a rich source of several important nutrients and an important part of the otherwise plant-dominated diet present in Angola. However, fish may also be a source of contaminants. The aim of this study was to analyse the nutrient contents and the levels of chemical contaminants, including arsenic, cadmium, mercury, and lead, in five commonly consumed marine fish species sampled during a survey with the research vessel Dr. Fridtjof Nansen in Angola. The species' contribution to recommended nutrient intakes (RNI) for women and children was assessed and compared to that of food products of terrestrial animal origin. All the sampled species are good sources of protein and micronutrients if included in the diet, and inter-species variation is evident. The species were identified to contribute 5–15% of the RNI for calcium, iron, iodine, and zinc and exceeded the contribution to protein and iron intakes of food products of terrestrial animal origin. Furthermore, the potential consumer exposure to chemical contaminants in the species was assessed. None of the species exceeded the maximum levels for cadmium, mercury, and lead, and the potential consumer exposure to cadmium and methylmercury was considered low. The data presented in this study represent an important contribution to African food composition tables. [ABSTRACT FROM AUTHOR]

The nutritional intakes of the Spanish child and adolescent population are presented, as well as the population at risk of inadequate nutrient status. A random sample of 3534 people aged 2???24 years were interviewed between 1998 and 2000. Interviews included two 24 h recalls and a general questionnaire and anthropometric evaluations for the entire sample. After excluding under-reporters (18??7 %), the final sample was 2855 individuals (1348 males and 1507 females). The average intake of energy was 9543 kJ in males and 7804 kJ in females, with important variations seen by age group. Energy intake increased with age in both sexes until 14???17 years, which also applied to almost all of the nutrients studied, with the exception of vitamin C. A decreasing trend in the percentage of energy from carbohydrates was seen in both sexes. At the low socioeconomic level, it was observed that all nutrient intakes were less favourable when compared with higher socioeconomic levels. Nutrients with associated intakes below one-third of the Spanish recommended nutrient intake (RNI) included vitamin D (42 % of the sample) and folate (10 % of females), and the percentages falling below two-thirds of the RNI corresponded to: vitamin D (97 %), vitamin A (60 %), vitamin E (54 %), folate (58 % of females), Fe (23 % of females), vitamin C (8 %), Mg (4??5 %), Ca (5 % of females) and vitamin B6 (5 % of females). Adolescents aged between 14 and 17 years was the group with the highest nutritional risk, especially among girls. Nutritional adequacy in Spanish children was, in general, adequate, although it is necessary to analyse the implications of high inadequate intakes of vitamins D, E and A, which means that the current recommended intakes should be reconsidered. It should be noted that folate levels should be doubled in the near future. [ABSTRACT FROM PUBLISHER]

Objective: The goal of this study was to analyze protein requirements in healthy adults through a meta-analysis of nitrogen balance studies., Methods: A comprehensive search for nitrogen balance studies of healthy adults published up to October 2012 was performed, each study were reviewed, and data were abstracted. The studies were first evaluated for heterogeneity. The average protein requirements were analyzed by using the individual data of each included studies. Study site climate, age, sex, and dietary protein source were compared., Results: Data for 348 subjects were gathered from 28 nitrogen balance studies. The natural logarithm of requirement for 348 individuals had a normal distribution with a mean of 4.66. The estimated average requirement was the exponentiation of the mean of the log requirement, 105.64 mg N/kg•d. No significant differences between adult age, source of dietary protein were observed. But there was significant difference between sex and the climate of the study site (P<0.05)., Conclusion: The estimated average requirement and recommended nutrient intake of the healthy adult population was 105.64 mg N/kg•d (0.66 g high quality protein/kg•d) and 132.05 mg N/kg•d (0.83 g high quality protein/kg•d), respectively., (Copyright © 2014 The Editorial Board of Biomedical and Environmental Sciences. Published by China CDC. All rights reserved.)

Although Mongolian immigrants are a rapidly growing population in South Korea, the 2 countries have distinct diets because of climatic and geographical differences. The Mongolian diet is mostly animal-based with few vegetables and fruits, whereas the Korean diet is largely plant based. The purpose of this study was to examine the association between acculturation and dietary intakes among Mongolians living in South Korea. We hypothesized that higher levels of acculturation would be associated with higher vegetable, fruit, and plant-based food intakes among Mongolian immigrants. A total of 500 Mongolian immigrants participated in this study conducted between December 2010 and May 2011. To measure the acculturation level, we developed an acculturation scale based on the Suinn-Lew Asian self-identity acculturation scale. Dietary intakes were assessed using the 24-hour dietary recall method. Associations between acculturation and dietary intakes were investigated using a general linear model adjusted for demographic characteristics. The participants were grouped into either a low-acculturation group or a high-acculturation group. The high-acculturation group reported significantly higher consumption of vegetables and rice and significantly lower consumption of meat, potatoes, and flour products compared with their low-acculturation counterparts. However, a higher level of acculturation was also significantly related to a higher intake of sodium. These findings could be used to tailor nutrition programs to different acculturation levels., (2013 Elsevier Inc. All rights reserved.)