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Origin identification of Chinese Maca using electronic nose coupled with GC-MS.


ABSTRACT: Maca (Lepidium meyenii Walp.), originated in the high Andes of Peru, is rich in nutrients and phytochemicals. As a new resource food in China, Maca suffers marketing disorders due to the limitation of basic research. Due to the close relationship of Maca quality and origin of place, it's of scientific, economic and social importance to set up a rapid, reliable and efficient method to identify Maca origin. In the present study, 303 Maca samples were collected from 101 villages of the main producing area in China. Using electronic nose and BP neutral network algorithm, a Maca odor database was set up to trace the origin. GC-MS was then employed to analyze the characteristic components qualitatively and semi-quantitatively. As a result, very significant differences (p?

SUBMITTER: Li A 

PROVIDER: S-EPMC6704143 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature

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Origin identification of Chinese Maca using electronic nose coupled with GC-MS.

Li Aimin A   Duan Shenglin S   Dang Yanting Y   Zhang Xi X   Xia Kai K   Liu Shiwei S   Han Xiaofeng X   Wen Jian J   Li Zijie Z   Wang Xi X   Liu Jia J   Yuan Peng P   Gao Xiao-Dong XD  

Scientific reports 20190821 1


Maca (Lepidium meyenii Walp.), originated in the high Andes of Peru, is rich in nutrients and phytochemicals. As a new resource food in China, Maca suffers marketing disorders due to the limitation of basic research. Due to the close relationship of Maca quality and origin of place, it's of scientific, economic and social importance to set up a rapid, reliable and efficient method to identify Maca origin. In the present study, 303 Maca samples were collected from 101 villages of the main produci  ...[more]

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