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32 results on '"Xia, Rongrong"'

19. Review of packaging for improving storage quality of fresh edible mushrooms.

Author

Feng, Yao, Xu, Heran, Sun, Yong, Xia, Rongrong, Hou, Zhenshan, Li, Yunting, Wang, Yafei, Pan, Song, Fan, Yiming, Zhu, Jiayi, and Xin, Guang

Subjects
MUSHROOMS, EDIBLE mushrooms, CONTROLLED atmosphere packaging, PACKAGING film, PACKAGING, LIPID metabolism, MEMBRANE lipids
Abstract

Edible mushrooms are favoured by people for their rich nutrition, medicinal value and unique flavour. The quality of postharvest mushroom decreased sharply because of its special tissue structure and physiological characteristics. Compared with other preservation technologies, packaging has been widely used in the preservation of mushrooms because of its strong preservation effect, green and convenient characteristic. This review discussed the quality deterioration of fresh mushrooms and its influencing factors, and summarised the research advances and preservation mechanism of modified atmosphere packaging (MAP), active packaging (ACP), biodegradable film packaging (BFP) and nanocomposite packaging (NCP) used to cope with the quality deterioration of fresh mushrooms. The packaging mainly maintains the quality of mushrooms and extends their shelf life by exerting antibacterial, antiviral and antioxidant, and by regulating respiration and energy metabolism, cell wall metabolism and membrane lipid metabolism. Currently, the combined packaging based on nano, active and biodegradable is getting more attention, but there is a lack of in‐depth genetic research on its preservation mechanism. Nanoemulsion‐based packaging was used in many foods; however, there is little research on the preservation of mushrooms. Based on the above packaging, the next step is to explore the intelligent packaging for edible mushrooms. This review can provide reference for further research and application of packaging preservation in mushrooms, to improve the quality of postharvest mushrooms. [ABSTRACT FROM AUTHOR]

Published
2023
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32. Biosynthetic Mechanism of Key Volatile Biomarkers of Harvested Lentinula edodesTriggered by Spore Release

Author

Sun, Libin, Xin, Guang, Hou, Zhenshan, Zhao, Xuemei, Xu, Heran, Bao, Xiujing, Xia, Rongrong, Li, Yunting, and Li, Li

Abstract

In this study, headspace solid-phase microextraction-gas chromatography–mass spectrometry, multivariate analyses, and transcriptomics were used to explore the biosynthesis of key volatiles and the formation of spores in Lentinula(L.) edodes. Among the 50 volatiles identified, 1-octen-3-ol, phenethyl alcohol, and several esters were considered key aromas because of their higher odor activity values. Eleven volatiles were screened as biomarkers by orthogonal partial least squares discriminant analysis, and hierarchical cluster analysis showed that these biomarkers could represent all volatiles to distinguish the spore release stage. The activities of lipoxygenase (LOX), hydroperoxide lyase, alcohol dehydrogenase, and alcohol acyltransferase were higher in L. edodeswith spore release. Moreover, linolenic acid and phenylalanine metabolism were involved in aroma biosynthesis. One LOX-related gene and five aryl alcohol dehydrogenase-related genes could regulate the biosynthesis of 1-octen-3-ol, phenethyl alcohol, and phenylacetaldehyde. In addition, several key genes were involved in meiosis to regulate sporulation.

Published
2021
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