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KMID : 1007520180270041111
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Food Science and Biotechnology
2018 Volume.27 No. 4 p.1111 ~ p.1118
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GC?MS based metabolomics study of fermented stipe of Sparassis crispa
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Seo Seung-Ho
Park Seong-Eun
Kim Eun-Ju
Son Hong-Seok
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Abstract
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GC?MS coupled with multivariate statistical analysis was performed to understand metabolites difference between pileus and stipe of Sparassis crispa (cauliflower mushroom). Metabolic changes of S. crispa after fermentation by different microorganisms were also investigated. PCA score plot showed a clear separation between pileus and stipe of S. crispa regardless of fermentation. However, OPLS-DA score plot showed clear separation among fermented S. crispa samples according to microbial strain used, indicating that both pileus and stipe fermented with the same strain showed similar pattern of metabolites. Fructose, lactic acid, citric acid, malic acid, and phosphoric acid were metabolites that contributed to the discrimination of fermented S. crispa samples. Results of this study provide novel insights into intrinsic characteristics of stipe of S. crispa which is cheaper than pileus as ingredient for alternative functional food.
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KEYWORD
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Metabolomics, Sparassis crispa, Stipe, GC?MS, Fermentation
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