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Changes of Physicochemical Properties in Black Garlic during Fermentation

文献类型： 外文期刊

作者： Yuan, Xinyu 1 ; Wang, Zhuochen 2 ; Liu, Lanhua 1 ; Mu, Dongdong 1 ; Wu, Junfeng 3 ; Li, Xingjiang 1 ; Wu, Xuefeng 1 ;

作者机构： 1.Hefei Univ Technol, Anhui Fermented Food Engn Res Ctr, Sch Food & Biol Engn, Hefei 230601, Peoples R China

2.Anhui Acad Agr Sci, Inst Agr Prod Proc, Hefei 230001, Peoples R China

3.Linquan Cty Hengda Food Co Ltd, Fuyang 236400, Peoples R China

4.Anhui Oriental Orchard Biotechnol Co Ltd, Suzhou 234000, Peoples R China

关键词： black garlic; physicochemical properties; antioxidant activity; principal components analysis

期刊名称：FERMENTATION-BASEL （ 影响因子：5.123； ）

ISSN：

年卷期： 2022 年 8 卷 11 期

页码：

收录情况： SCI

摘要： To investigate the changes of the main ingredients in black garlic (BG) during fermentation, the contents of moisture, total acids and reducing sugars were determined. Allicin, 5-Hydroxymethylfurfural (5-HMF), and total phenols were also determined as bioactive substances. DPPH scavenging capacity was determined to indicate the antioxidant activity of BG. The changes in hardness and color were detected as well. The results showed that the moisture content decreased from 66.13% to 25.8% during the fermentation. The content of total acids, total phenols, and reducing sugars increased from 0.03 g/g to 0.29 g/g, from 0.045 mu g/g to 0.117 mu g/g, and from 0.016 g/g to 0.406 g/g, respectively. The content of 5-HMF increased from 0 to 4.12 mu g/mL continuously, while the content of allicin increased from 0.09 mmol/100 g to 0.30 mmol/100 g and then decayed to 0.00 mmol/100 g. The L*, a*, and b* values of BG were 23.65 +/- 0.44, 0.64 +/- 0.06, and 0.85 +/- 0.05, respectively. There was a higher intensity of dark color in BG than that in fresh garlic. The hardness values decreased first and then increased in later fermentation from 465.47 g to 27,292.38 g. Principal component analysis (PCA) showed that the samples were divided into three clusters, including cluster1 (fresh garlic, S0), cluster2 (S1), and cluster3 (S3-S9). This research effectively clarified the various stage of the BG fermentation process, and it is expected to supply references for reducing production time in industrial BG fermentation.

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