16 results on '"Queiroz VA"'
Search Results
2. Associations between Maternal Dietary Patterns and Infant Birth Weight in the NISAMI Cohort: A Structural Equation Modeling Analysis.
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da Mota Santana J, de Oliveira Queiroz VA, Pereira M, Paixão ES, Brito SM, Dos Santos DB, and Oliveira AM
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- Adult, Brazil, Fast Foods, Female, Humans, Infant, Infant, Newborn, Pregnancy, Pregnancy Trimester, Third, Prospective Studies, Weight Gain, Birth Weight, Diet, Feeding Behavior, Latent Class Analysis, Maternal Nutritional Physiological Phenomena
- Abstract
The mother's diet during pregnancy is associated with maternal and child health. However, there are few studies with moderation analysis on maternal dietary patterns and infant birth weight. We aim to analyse the association between dietary patterns during pregnancy and birth weight. A prospective cohort study was performed with pregnant women registered with the prenatal service (Bahia, Brazil). A food frequency questionnaire was used to evaluate dietary intake. Birth weight was measured by a prenatal service team. Statistical analyses were performed using factor analysis with a principal component extraction technique and structural equation modelling. The mean age of the pregnant women was 27 years old (SD: 5.5) and the mean birth weight was 3341.18 g. It was observed that alcohol consumption ( p = 0.05) and weight-gain during pregnancy ( p = 0.05) were associated with birth weight. Four patterns of dietary consumption were identified for each trimester of the pregnancy evaluated. Adherence to the "Meat, Eggs, Fried Snacks and Processed foods" dietary pattern (pattern 1) and the "Sugars and Sweets" dietary pattern (pattern 4) in the third trimester directly reduced birth weight, by 98.42 g (Confidence interval (CI) 95%: 24.26, 172.59) and 92.03 g (CI 95%: 39.88, 165.30), respectively. It was also observed that insufficient dietary consumption in the third trimester increases maternal complications during pregnancy, indirectly reducing birth weight by 145 g (CI 95%: -21.39, -211.45). Inadequate dietary intake in the third trimester appears to have negative results on birth weight, directly and indirectly, but more studies are needed to clarify these causal paths, especially investigations of the influence of the maternal dietary pattern on the infant gut microbiota and the impacts on perinatal outcomes.
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- 2021
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3. Age of introduction of complementary feeding and overweight in adolescence and adulthood: A systematic review.
- Author
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Araújo CS, de Farias Costa PR, de Oliveira Queiroz VA, de Santana MLP, Miranda EP, Pitangueira JCD, and de Assis AM
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- Adolescent, Adult, Age Factors, Child, Humans, Infant, Infant Nutritional Physiological Phenomena, Obesity etiology, Overweight etiology
- Abstract
Recent studies on early infant feeding suggest that the type of diet and age of starting complementary foods may have a positive correlation with overweight in adolescence and adulthood. This study aimed to systematically review the evidence on the relationship between the age of introduction of complementary feeding and excess weight in adolescence and adulthood (PROSPERO: CRD42017067764). The preferred reporting items for systematic reviews and meta-analyses standards were used as a reference. Articles were researched on Medline via PubMed, Web of Science, Embase, Lilacs, Ovid, and Scopus, between June and December 2017. Descriptors were defined according to Medical Subject Heading. Of the 103 articles selected for complete reading, nine were included in the review. Of these, only three found an association between the age of introduction of complementary feeding and overweight. Despite these findings, the studies presented a high heterogeneity, mainly due to the difference in cut-off points for the age of introduction of complementary feeding and the classification of overweight. We concluded that the evidence was not consistent enough to confirm the existence of the association., (© 2019 John Wiley & Sons Ltd.)
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- 2019
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4. Effect of the storage time and temperature on phenolic compounds of sorghum grain and flour.
- Author
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Oliveira KG, Queiroz VA, Carlos Lde A, Cardoso Lde M, Pinheiro-Sant'Ana HM, Anunciação PC, Menezes CB, Silva EC, and Barros F
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- Anthocyanins analysis, Apigenin analysis, Genotype, Phenols analysis, Tannins analysis, Temperature, Time, Edible Grain chemistry, Flour analysis, Food Storage, Sorghum genetics
- Abstract
This study evaluated the effect of storage temperature (4, 25 and 40°C) and time on the color and contents of 3-deoxyanthocyanins, total anthocyanins, total phenols and tannins of sorghum stored for 180days. Two genotypes SC319 (grain and flour) and TX430 (bran and flour) were analyzed. The SC319 flour showed luteolinidin and apigeninidin contents higher than the grain and the TX430 bran had the levels of all compounds higher than the flour. The storage temperature did not affect most of the analyzed variables. The content of most of the compounds reduced during the first 60days when they became stable. At day 180, the retention of the compounds in the genotypes SC319 and TX430 ranged from 56.1-77.9% and 67.3-80.1% (3-deoxyanthocyanins), 88.4-93.8% and 84.6-96.8% (total anthocyanins) and 86.7-86.8 and 89.4-100% (phenols) respectively. The retention of tannins ranged from 56.6 to 85.3%. The color of samples remained stable for 120days., (Copyright © 2016 Elsevier Ltd. All rights reserved.)
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- 2017
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5. Resistant starch content among several sorghum (Sorghum bicolor) genotypes and the effect of heat treatment on resistant starch retention in two genotypes.
- Author
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Teixeira Nde C, Queiroz VA, Rocha MC, Amorim AC, Soares TO, Monteiro MA, de Menezes CB, Schaffert RE, Garcia MA, and Junqueira RG
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- Edible Grain chemistry, Edible Grain genetics, Flour, Food Handling, Genotype, Sorghum classification, Hot Temperature, Sorghum chemistry, Sorghum genetics, Starch chemistry
- Abstract
The resistant starch (RS) contents in 49 sorghum genotypes and the effects of heat treatment using dry and wet heat on the grain and flour from two sorghum genotypes were investigated. The results showed a wide variation in the RS contents of the genotypes analyzed. The RS mean values were grouped into six distinct groups and ranged from 0.31±0.33 g/100 g to 65.66±5.46 g/100 g sorghum flour on dry basis. Dry heat causes minor losses in the RS content with retentions of up to 97.19±1.92% of this compound, whereas wet heat retained at most 6.98±0.43% of the RS. The SC 59 and (SSN76)FC6608 RED KAFIR BAZINE (ASA N23) cultivars, which have an average RS content of 65.51 g/100 g, were appropriate for human consumption, and the use of dry heat is presented as a better alternative for the preservation of RS in heat-treated grains., (Copyright © 2015 Elsevier Ltd. All rights reserved.)
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- 2016
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6. Multi-trait BLUP model indicates sorghum hybrids with genetic potential for agronomic and nutritional traits.
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Almeida Filho JE, Tardin FD, Guimarães JF, Resende MD, Silva FF, Simeone ML, Menezes CB, and Queiroz VA
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- Cluster Analysis, Edible Grain genetics, Edible Grain growth & development, Genetic Variation, Models, Genetic, Sorghum classification, Quantitative Trait Loci, Sorghum genetics, Sorghum growth & development
- Abstract
The breeding of sorghum, Sorghum bicolor (L.) Moench, aimed at improving its nutritional quality, is of great interest, since it can be used as a highly nutritive alternative food source and can possibly be cultivated in regions with low rainfall. The objective of the present study was to evaluate the potential and genetic diversity of grain-sorghum hybrids for traits of agronomic and nutritional interest. To this end, the traits grain yield and flowering, and concentrations of protein, potassium, calcium, magnesium, sulfur, iron, manganese, and zinc in the grain were evaluated in 25 grain-sorghum hybrids, comprising 18 experimental hybrids of Embrapa Milho e Sorgo and seven commercial hybrids. The genetic potential was analyzed by a multi-trait best linear unbiased prediction (BLUP) model, and cluster analysis was accomplished by squared Mahalanobis distance using the predicted genotypic values. Hybrids 0306037 and 0306034 stood out in the agronomic evaluation. The hybrids with agronomic prominence, however, did not stand out for the traits related to the nutritional quality of the grain. Three clusters were formed from the dendrogram obtained with the unweighted pair group method with arithmetic mean method. From the results of the genotypic BLUP and the analysis of the dendrogram, hybrids 0577337, 0441347, 0307651, and 0306037 were identified as having the potential to establish a population that can aggregate alleles for all the evaluated traits of interest.
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- 2016
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7. Insulin mediated improvement in glycemic control in elderly with type 2 diabetes mellitus can improve depressive symptoms and does not seem to impair health-related quality of life.
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Oliveira RA, Tostes M, Queiroz VA, Rodacki M, and Zajdenverg L
- Abstract
Background and Objectives: Type 2 diabetes (T2D) is very prevalent among the elderly. Insulin therapy is often required for glycemic control. The association of starting this therapy with depressive symptoms as well the health-related quality of life (HRQoL) is unknown among the elderly patients., Aims: Evaluate the association of starting insulin therapy depressive symptoms as well with HRQoL of elderly people with T2D., Methods: 36 T2D participants (67.9 % females, age 66.5 years ± 5.1) were recruited, 26 of whom completed the follow-up. Generic (Short-Form 36 Health Survey - SF-36) and specific (Problem Areas in Diabetes - PAID) HRQoL questionnaires, Beck Depression Inventory (BDI), clinical, laboratorial and socio-demographic data were recorded on baseline and 6 months after the beginning of insulin treatment., Results: There was a reduction in the BDI score after the use of insulin, which means an improvement in depressive symptoms (Before/After: median - 10.5 / 7; p = 0008). There were no statistically significant differences in HRQoL scores between the two time periods There was also a reduction in HbA1c (Before/After: median - 8.7/7.9). Otherwise, there were no statistically significant differences in: BMI (28.1/28.3); Abdominal circumference:(100.5/99.5) and chronic complications status., Conclusion: Insulin therapy in elderly people with type 2 diabetes can lead to an improvement of depressive symptoms and does not seem to affect negatively HRQoL of the participants.
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- 2015
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8. Bioactive amines in sorghum: method optimisation and influence of line, tannin and hydric stress.
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Paiva CL, Evangelista WP, Queiroz VA, and Glória MB
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- Chromatography, High Pressure Liquid, Droughts, Particle Size, Biogenic Amines analysis, Sorghum chemistry, Tannins analysis
- Abstract
The profile and levels of bioactive amines in different sorghum lines were reported for the first time. The amines were quantified by ion-pair HPLC, post-column derivatisation with o-phthalaldehyde and fluorimetric detection. The extraction procedure was optimised: 420 μm particle size, extraction with 5% trichloroacetic acid and three extractions. The screening of 22 sorghum lines showed that four of the ten amines investigated were detected. Spermine and spermidine were the prevalent amines (100%), followed by putrescine (77%) and cadaverine (14%). Total amines ranged from 5.8 to 41.4 mg/100 g, and the polyamines represented 60-100% of the total. Sorghum without tannin had higher amines levels compared to sorghum with tannin and cadaverine was specific to samples without tannin. Hydric stress caused accumulation of spermidine in the grains and affected the levels of other amines at rates depending on the presence or not of tannin. Sorghum is a significant source of polyamines., (Copyright © 2014 Elsevier Ltd. All rights reserved.)
- Published
- 2015
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9. Tocochromanols and carotenoids in sorghum (Sorghum bicolor L.): diversity and stability to the heat treatment.
- Author
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Cardoso Lde M, Pinheiro SS, da Silva LL, de Menezes CB, de Carvalho CW, Tardin FD, Queiroz VA, Martino HS, and Pinheiro-Sant'Ana HM
- Subjects
- Cooking, Genetic Variation, Genotype, Hot Temperature, Sorghum classification, Sorghum genetics, Vitamin E chemistry, Carotenoids chemistry, Chromans chemistry, Sorghum chemistry
- Abstract
The content and stability (retention) to dry heat in a conventional oven (DHCO) and extrusion of tocochromanols and carotenoids in sorghum genotypes were evaluated. One hundred sorghum genotypes showed high variability in tocochromanol content (280.7-2962.4 μg/100g in wet basis) and 23% of the genotypes were classified as source of vitamin E. The total carotenoid varied from 2.12 to 85.46 μg/100g in one hundred sorghum genotypes. According to the genetic variability for carotenoids and tocochromanols, the 100 genotypes were grouped into 7 groups. The retention of the total tocochromanols and α-tocopherol equivalent decreased after extrusion (69.1-84.8% and 52.4-85.0%, respectively) but increased after DHCO (106.8-114.7% and 109.9-115.8%, respectively). Sorghum carotenoids were sensitive to extrusion (30.7-37.1%) and DHCO (58.6-79.2%). In conclusion, the tocochromanols profile in sorghum varied widely and the genotypes presented high genetic variability for carotenoids and tocochromanols. Sorghum was a source of tocochromanols, which increased after DHCO and decreased after extrusion. The carotenoid content in sorghum decreased after DHCO and extrusion., (Copyright © 2014 Elsevier Ltd. All rights reserved.)
- Published
- 2015
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10. Effects of processing with dry heat and wet heat on the antioxidant profile of sorghum.
- Author
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Cardoso Lde M, Montini TA, Pinheiro SS, Queiroz VA, Pinheiro-Sant'Ana HM, Martino HS, and Moreira AV
- Subjects
- Anthocyanins analysis, Carotenoids analysis, Hot Temperature, Phenols analysis, Vitamin E analysis, Antioxidants analysis, Food Handling methods, Sorghum chemistry
- Abstract
The effects of domestic processing with dry heat (F2-oven/milling; F3-milling/oven; F4-microwave oven/milling; F5-milling/microwave oven; F6-popped grains/milling) and wet heat (F7-cooking in water/drying/milling) on the antioxidant profile of sorghum flours (F1-raw flour) were evaluated. 3-Deoxyanthocyanidins and total phenolic compounds were stable to dry heat (retention between 96.1% and 106.3%) and reduced with wet heat. All processing with dry heat increased the vitamin E content (2,201.9-3,112.1 μg/100 g) and its retention, and reduced the carotenoids (4.78-17.27 μg/100 g). The antioxidant activity in processed flours with dry heat remained constant (F3 and F6) or increased (F2, F4 and F5) and decreased after processing with wet heat. Overall, the grains milled before processing in oven and in microwave oven retained more vitamin E and less carotenoids than those milled after these processing. In conclusion, dry heat did not affect the phenolic compounds and 3-deoxyanthocyanidins of sorghum, but increased the vitamin E and antioxidant activity, and reduced the carotenoids. The wet heat processing reduced all antioxidant compounds except carotenoids, which increased., (Copyright © 2013 Elsevier Ltd. All rights reserved.)
- Published
- 2014
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11. Protective effect of human lactoferrin in the gastrointestinal tract.
- Author
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Queiroz VA, Assis AM, and R Júnior Hda C
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- Gastrointestinal Diseases prevention & control, Humans, Lactoferrin therapeutic use, Gastrointestinal Tract microbiology, Lactoferrin physiology
- Abstract
Objective: To describe mechanisms of action of human lactoferrin to protect gastrointestinal morbidities., Data Sources: Nonsystematic literature review using the following databases: SciELO, Lilacs and Medline from 1990 to 2011. The key-words used were lactoferrin, human milk/breastfeeding, gastrointestinal, and immunity, in Portuguese and English., Data Synthesis: Lactoferrin is the second predominant protein in the human milk, with higher concentrations in the colostrum (5.0 to 6.7mg/mL) if compared to mature milk (0.2 to 2.6mg/mL.) In contrast, cow's milk has lower levels, with 0.83mg/mL in the colostrum and 0.09mg/mL in the mature milk. Lactoferrin has several physiological functions to protect the gastrointestinal tract. The antimicrobial activity is related to the ability to sequester iron from biological fluids and/or to destruct the membrane of microorganisms. Lactoferrin also has the ability to stimulate cell proliferation. The anti-inflammatory action exercised by lactoferrin is associated with its ability to penetrate the core of the leukocyte and to block the Kappa B nuclear factor transcription. Given the importance of lactoferrin to prevent infectious diseases for breastfed children, the industry is using genetic engineering techniques to develop the expression of recombinant human lactoferrin in animals and plants, attempting to adjust the composition of infant formulas to that of human milk., Conclusions: Human lactoferrin is a peptide with great potential for preventing morbidity, especially in the gastrointestinal tract. Scientific evidence of the protective effects of human lactoferrin strengthens even more the recommendation for breastfeeding.
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- 2013
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12. In vivo protein quality of new sorghum genotypes for human consumption.
- Author
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Moraes ÉA, Queiroz VA, Shaffert RE, Costa NM, Nelson JD, Ribeiro SM, and Martino HS
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- Animals, Genotype, Humans, Male, Rats, Edible Grain chemistry, Nutritive Value, Sorghum chemistry
- Abstract
The in vivo protein qualities were evaluated in flours from raw sorghum grains (RF) and flours from sorghum grains subjected to heat treatment in an oven (HTF) from the hybrids BRS 305, BRS 309 and BRS 310, developed by the Brazilian Agricultural Research Corporation (Embrapa). There were no differences in feed efficiency ratios among experimental groups. Heat-treated flour from BRS 309 and BRS 310 genotypes had higher protein efficiency ratios and net protein ratio values; however, they did not differ from those of flour from raw grain of BRS 310 genotype. Effects of heat treatment were observed in the BRS 309 genotype. Heat treatment did not affect true digestibility observed for the RF and HTF of the three genotypes. Lysine was the first limiting amino acid of the three sorghum genotypes. The HTF BRS 305 showed the lowest protein digestibility-corrected amino acid score value. Heat treatment improved the protein quality of genotype BRS 309; however, no differences were observed among the other genotypes., (Copyright © 2012 Elsevier Ltd. All rights reserved.)
- Published
- 2012
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13. Antifungal activity, toxicity and chemical composition of the essential oil of Coriandrum sativum L. fruits.
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Soares BV, Morais SM, dos Santos Fontenelle RO, Queiroz VA, Vila-Nova NS, Pereira CM, Brito ES, Neto MA, Brito EH, Cavalcante CS, Castelo-Branco DS, and Rocha MF
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- Animals, Artemia drug effects, Candida drug effects, Diffusion, Microbial Sensitivity Tests, Microsporum drug effects, Oils, Volatile chemistry, Antifungal Agents pharmacology, Coriandrum chemistry, Fruit chemistry, Oils, Volatile pharmacology, Oils, Volatile toxicity, Toxicity Tests
- Abstract
The aims of this study were to test the antifungal activity, toxicity and chemical composition of essential oil from C. sativum L. fruits. The essential oil, obtained by hydro-distillation, was analyzed by gas chromatography/mass spectroscopy. Linalool was the main constituent (58.22%). The oil was considered bioactive, showing an LC₅₀ value of 23 μg/mL in the Artemia salina lethality test. The antifungal activity was evaluated against Microsporum canis and Candida spp. by the agar-well diffusion method and the minimum inhibitory concentration (MIC) and the minimum fungicidal concentration (MFC) were established by the broth microdilution method. The essential oil induced growth inhibition zones of 28 ± 5.42 and 9.25 ± 0.5 for M. canis and Candida spp. respectively. The MICs and MFCs for M. canis strains ranged from 78 to 620 and 150 to 1,250 μg/mL, and the MICs and MFCs for Candida spp strains ranged from 310 to 620 and 620 to 1,250 μg/mL, respectively. C. sativum essential oil is active in vitro against M. canis and Candida spp. demonstrating good antifungal activity.
- Published
- 2012
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14. Iron bioavailability of different maize genotypes developed in a breeding program: in vitro and in vivo studies.
- Author
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Nakajima VM, Costa NM, Martino HS, Queiroz VA, Guimarães PE, and Oliveira PV
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- Anemia, Iron-Deficiency diet therapy, Animals, Biological Assay methods, Biological Availability, Breeding, Dialysis, Genotype, Hemoglobins metabolism, Iron, Dietary analysis, Male, Rats, Rats, Wistar, Spectrophotometry, Atomic, Zea mays chemistry, Anemia, Iron-Deficiency prevention & control, Food, Fortified analysis, Iron, Dietary pharmacokinetics, Phytic Acid analysis, Plants, Genetically Modified chemistry, Zea mays genetics
- Abstract
The objective of this study was to evaluate iron bioavailability of maize genotypes, and analyze the correlation between in vitro and in vivo methods. Dialysable iron was analyzed in 13 genotypes from which 5 were selected for the biological assay. Mean iron content of the genotypes (n = 13) was 17.93 +/- 2.93 mg kg(-1). Phytate varied from 0.77% to 1.03%; phytate: iron molar ratio from 30.64 to 55.41; and soluble iron from 13.17 to 39.63%. The highest value for dialysable iron was 19.14%. In the biological assay, the control group, that received ferrous sulphate, did not present significant difference between the genotypes for Hb gain, Hb gain per gram of iron consumed and HRE. Hb gain did not present a significant correlation with in vitro assay. However, there were positive correlations varying from 0.653 to 0.809. The maize genotypes evaluated presented a good bioavailability since the genotypes showed the same result in hemoglobin gain than control group.
- Published
- 2012
15. Predictors of linear growth in the first year of life of a prospective cohort of full term children with normal birth weight.
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Queiroz VA, Assis AM, Pinheiro SM, and Ribeiro HC Jr
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- Adult, Brazil, Epidemiologic Methods, Female, Humans, Infant, Infant, Newborn, Male, Reference Values, Anemia complications, Birth Weight physiology, Body Height physiology, Breast Feeding statistics & numerical data, Growth physiology, Mothers, Sexual Abstinence, Term Birth physiology
- Abstract
Objective: To investigate covariates that could affect the variation in mean length/age z scores in the first year of life of children born full term with normal birth weight., Methods: This was a prospective study of a cohort of mother-infant pairs recruited at public maternity units in two municipalities in the Brazilian state of Bahia, from March 2005 to October 2006. This paper reports the results for linear growth of 489 children who were followed-up for the first 12 months of their lives. A mixed-effect regression model was used to investigate the influence of covariates of mean length/age z score during the first year of life., Results: The multivariate mixed effect analysis indicated that mothers not cohabiting with a partner (beta = 0.2347; p = 0.004) and increased duration of exclusive breastfeeding (beta = 0.0031; p < 0.001) had a positive impact, whereas mother's height less than 150 cm (beta = -0.4393; p < 0.001), birth weight of 2,500-2,999 g (beta = -0.8084; p < 0.001) and anemia in the child (beta = -0.0875; p < 0.001) all had a negative impact on the variation in estimated length/age z score., Conclusions: Therefore, the results of this study indicate that short maternal stature, birth weight < 3,000 g and anemia in the infant had a negative effect on linear growth during the first year of life, whereas longer duration of exclusive breastfeeding and mothers who did not cohabit with a partner had a positive effect.
- Published
- 2012
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16. Water extracts of Brazilian leguminous seeds as rich sources of larvicidal compounds against Aedes aegypti L.
- Author
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Farias DF, Cavalheiro MG, Viana MP, Queiroz VA, Rocha-Bezerra LC, Vasconcelos IM, Morais SM, and Carvalho AF
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- Animals, Larva drug effects, Mice, Toxicity Tests, Acute, Aedes drug effects, Fabaceae chemistry, Fabaceae classification, Insecticides, Plant Extracts, Seeds chemistry
- Abstract
This study assessed the toxicity of seed water extracts of 15 leguminous species upon Aedes aegypti larvae. A partial chemical and biochemical characterization of water extracts, as well as the assessment of their acute toxicity in mice, were performed. The extracts of Amburana cearensis, Anadenanthera macrocarpa, Dioclea megacarpa, Enterolobium contortisiliquum and Piptadenia moniliformis caused 100% of mortalit y after 1 to 3 h of exposure. They showed LC(50) and LC(90) values ranging from 0.43 ± 0.01 to 9.06 ± 0.12 mg/mL and from 0.71 ± 0.02 to 13.03 ± 0.15 mg/mL, respectively. Among the secondary metabolite constituents, the seed water extracts showed tannins, phenols, flavones, favonols, xanthones, saponins and alkaloids. The extracts also showed high soluble proteins content (0.98 to 7.71 mg/mL), lectin (32 to 256 HU/mL) and trypsin inhibitory activity (3.64 = 0.43 to 26.19 = 0.05 gIT/kg of flour) The electrophoretic profiles showed a great diversity of protein bands, many of which already described as insecticide proteins. The extracts showed low toxicity to mice (LD(50) > 0.15 = 0.01 g/kg body weight), but despite these promising results, further studies are necessary to understand the toxicity of these extracts and their constituents from primary and secondary metabolism upon Ae. aegypti.
- Published
- 2010
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