Evaluating Physicochemical and Sensory Properties of Functional Yogurt Supplemented with Glycyrrhiza Polysaccharide as Potential Replacement for Gelatin

Dongqi Guo, Xiuxiu Yin, Huan Cheng, Xingqian Ye and Jianle Chen ()
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Dongqi Guo: College of Biosystems Engineering and Food Science, Ningbo Innovation Center, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, Zhejiang University, Hangzhou 310058, China
Xiuxiu Yin: College of Biosystems Engineering and Food Science, Ningbo Innovation Center, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, Zhejiang University, Hangzhou 310058, China
Huan Cheng: College of Biosystems Engineering and Food Science, Ningbo Innovation Center, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, Zhejiang University, Hangzhou 310058, China
Xingqian Ye: College of Biosystems Engineering and Food Science, Ningbo Innovation Center, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, Zhejiang University, Hangzhou 310058, China
Jianle Chen: College of Biosystems Engineering and Food Science, Ningbo Innovation Center, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, Zhejiang University, Hangzhou 310058, China

Agriculture, 2022, vol. 12, issue 9, 1-11

Abstract: Glycyrrhiza is a well-known plant resource used for the production of extractum-glycyrrhizae; however, large amounts of Glycyrrhiza residues containing polysaccharides are produced, and these have not been well utilized until now. The aim of this study was to evaluate the Glycyrrhiza polysaccharides obtained from Glycyrrhiza residues as a potential gelatin replacer in yogurt. The incorporation of Glycyrrhiza polysaccharide (GP) at different concentrations accelerated the growth of lactic acid bacteria. Similar to the effect of adding gelatin (GE), GP could suitably improve the water-holding capacity (WHC) and texture of the yogurt. Moreover, the yogurt prepared with GP showed a higher viscosity and shorter transverse relaxation time of mobile water (T 23 ) value than the control group (CG). Moreover, the microstructure analysis indicated that the casein network of yogurt with GP was more compact and cohesive than those of others. Yogurt prepared with 0.1% GPs exhibited the best sensory acceptance. The results indicated that small amounts of GPs can effectively replace gelatin as a thickener in yogurt with good quality.

Keywords: polysaccharides; yogurt; texture; sensory; gelatin (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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