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Research articles

ScienceAsia 46 (2020): 323-329 |doi: 10.2306/scienceasia1513-1874.2020.043

Analysis of volatile components in beer containing Cordyceps militaris extract by electronic nose and GC-MS

Jikang Jianga, Jiyuan Tiana, Wenxiang Lib,*, Ge Yua

ABSTRACT:     In the present study, the volatile flavor compounds in beer containing Cordyceps militaris extract (CMB) were analyzed by solid-phase microextraction combined with gas chromatography-mass spectrometry (SPME/GC-MS) and electronic nose compared with normal beer (NB) as control. The results showed that, through principal component analysis (PCA) and loading analysis (LA), ester content of CMB was less than that of NB while alcohol content was higher. A total of 27 volatile compounds were identified by SPME/GC-MS from CMB and NB, classified into acids, alcohols, esters and terpenes.

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a Qingdao Agricultural University, Qingdao 266109 China
b Qingdao Agricultural University, Key Laboratory of Modern Agricultural Quality and Safety Engineering of Qingdao, Shandong Provincial Laboratory of Applied Mycology, Qingdao 266109 China

* Corresponding author, E-mail: xiang7332@126.com

Received 15 Aug 2019, Accepted 25 May 2020