4.7 Article

Geographical origin discrimination of Agaricus bisporus produced by the complete medium: A pilot study in South Korea

期刊

FOOD CHEMISTRY
卷 386, 期 -, 页码 -

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2022.132820

关键词

Agaricus bisporus; Geographical origin; Complete medium; Stable isotope ratios; Chemometric model

资金

  1. Konkuk University

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In this study, we investigated how complete media produced in different geographical regions affected the origin of Agaricus bisporus cultivated in Korea, using stable isotope ratios. We found that the features of A. bisporus significantly depended on the origin of the complete media used. Support vector machine method showed better performance in geo-origin classification compared to linear discriminant analysis.
The complete medium used for mushroom cultivation is important for reliable crop production. We aimed to identify how the origin of Agaricus bisporus grown in Korea was affected by complete media produced in different geographical regions using stable isotope ratios (SIRs). We found that the SIR features of A. bisporus significantly depended on the complete media origin used; in particular, it appeared the high delta S-34 in the Chinese complete medium, low delta S-34 in the Dutch complete medium, and high delta N-15 in the Korean complete medium (P < 0.05). The support vector machine method appeared better geo-origin classification of A. bisporus by the complete media compared to a linear discriminant analysis. A large-scale study should be conducted to establish a reliable origin identification model for A. bisporus grown in complete media to improve the global mushroom marketplace.

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