Ultraviolet Spectroscopy Used to Fingerprint Five Wild-Grown Edible Mushrooms (Boletaceae) Collected from Yunnan, China
文献类型： 外文期刊
作者： Li, Yan 1 ; Zhang, Ji 1 ; Li, Tao 4 ; Yang, Tianwei 5 ; Wang, Yuanzhong 1 ; Liu, Honggao 5 ;
作者机构： 1.Yunnan Acad Agr Sci, Inst Med Plants, Kunming 650200, Peoples R China
2.Yunnan Tech Ctr Qual Chinese Mat Med, Kunming 650200, Peoples R China
3.Yunnan Univ Tradit Chinese Med, Coll Tradit Chinese Med, Kunming 650500, Peoples R China
4.Yuxi Normal Univ, Coll Resources & Environm, Yuxi 653100, Peoples R China
5.Yunnan Agr Univ, Coll Agron & Biotechnol, Kunming 650201, Peoples R China
期刊名称：JOURNAL OF SPECTROSCOPY （ 影响因子：1.914； 五年影响因子：2.301 ）
ISSN： 2314-4920
年卷期： 2016 年
页码：
收录情况： SCI
摘要： Nowadays, wild-grown edible mushrooms which are natural, nutritious, and healthy get more and more popular by large consumers. In this paper, UV spectra of different Boletaceae mushrooms with the aid of partial least squares discriminant analysis (PLS-DA) and hierarchical cluster analysis (HCA) were shown to be a practical and rapid method for discrimination purpose. The specimens of Boletus edulis, Boletus ferrugineus, Boletus tomentipes, Leccinum rugosiceps, and Xerocomus sp. were described based on the UV spectra. From the results, all the specimens were characterized by strong absorption at the wavelengths of 274 and 284 nm and showed the shoulder at 296 nm. However, changes could be seen in the peak heights at the same wavelength for different samples. After analyzing by chemometrics, visual discrimination among samples was presented and the relationships among them were also obtained. This study showed that UV spectroscopy combined with chemometrics methods could be used successfully as a simple and effective approach for characterization of these five wild-grown edible mushrooms at species and genus levels. Meanwhile, this rapid and simple methodology could also provide reference for the discrimination of edible mushrooms.
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