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Discrimination of Storage Periods for Macrocybe gigantea (Massee) Pegler & Lodge using UV Spectral Fingerprints

文献类型： 外文期刊

作者： Li, Yan 1 ; Zhang, Ji 1 ; Liu, Hong-Gao 3 ; Jin, Hang 1 ; Wang, Yuan-Zhong 1 ; Li, Tao 4 ;

作者机构： 1.Yunnan Acad Agr Sci, Inst Med Plants, Kunming 650200, Peoples R China

2.Yunnan Univ Tradit Chinese Med, Coll Tradit Chinese Med, Kunming, Peoples R China

3.Yunnan Agr Univ, Coll Food Sci & Technol, Kunming, Peoples R China

4.Yuxi Normal Univ, Coll Resources & Environm, Yuxi 653100, Peoples R China

关键词： mushrooms;storage time;differentiation;UV spectroscopy;multivariate analyses

期刊名称：CZECH JOURNAL OF FOOD SCIENCES （ 影响因子：1.279； 五年影响因子：1.829 ）

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收录情况： SCI

摘要： Macrocybe gigantea (Massee) Pegler & Lodge is a species of edible mushrooms which has important nutritional, medicinal, and economic values. Discrimination of M. gigantea with different storage periods is helpful to guarantee the authenticity and to promote marketing of this species. We focused on the establishment of the fingerprints based on UV spectroscopy to discriminate the wild-grown M. gigantea samples stored for different years and to distinguish the wild-grown and cultured samples which were stored for the same years. The analyses of the data were performed by multivariate analyses such as principal component analysis (PCA) and cluster analysis (CA). UV spectral fingerprints showed that the major composition and content of the main components were significantly variable over time. All the M. gigantea samples which were stored for different years could be successfully grouped by PCA and CA. The results demonstrated that this qualitative assessment could be regarded as a rapid and reliable method for discrimination of M. gigantea with different storage times.

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