Effect Of Thermosonication Pre-Treatment On Mung Bean (Vigna Radiata) And White Kidney Bean (Phaseolus Vulgaris) Proteins: Enzymatic Hydrolysis, Cholesterol Lowering Activity And Structural Characterization
文献类型: 外文期刊
作者: Ashraf, J; Liu, LY; Awais, M; Xiao, TZ; Wang, LL; Zhou, XR; Tong, LT; Zhou, SM
作者机构:
关键词: Hydrolysates; Cholesterol; Hmg-Coa; Ftir; Hydrophobicity; Antioxidant Activities
期刊名称: ULTRASONICS SONOCHEMISTRY
ISSN: 1350-4177
年卷期: 2020 年 66 卷
页码:
收录情况: JCR(2021版) ; EI(2021版)
摘要: Protein hydrolysates have attained great attention due to a good nutritive food ingredient and higher biological activities. In this study, thermosonication, ultrasound and heat were used as a pre-treatment to obtain (< 3KDa) hydrolysate from mung bean and white kidney bean to understand the mechanism of cholesterol absorption into micelle and inhibition of 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMG-CoA) activity. Size exclusion high performance liquid chromatography (SE-HPLC) results of mung bean showed that the concentration of peptides (0.5KDa-1KDa and 1-3KDa) in the hydrolysate were significantly (p < 0.05) increased after thermosonication while, the peptides concentration (1-3KDa) in white kidney bean was significantly (p < 0.05) decreased. Thermosonication of mung bean hydrolysate exhibited higher inhibition of cholesterol solubilization, hydrophobicity and antioxidant activities. In addition, there was no difference observed in HMG-CoA activity and hydrophobicity between ultrasound alone and ultrasound combined with heat i.e. thermosonication treated hydrolysate of white kidney bean. Changes in secondary and tertiary structures were also analyzed under different processing conditions with maximum change due to thermosonication. Results indicated that mung bean hydrolysate had a great potential for inhibition of cholesterol synthesis and its solubility in the micelle, antioxidant activity and also convinced for its application in food and nutraceutical industries.
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