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Mechanism underlying the digestion-enhancing effect of apricot kernel during Massa Medicata Fermentata fermentation
Haomiao Zhang1, Guangmin Nie1, Chen-Xiang Zhang1
1School of Food Engineering and Nutritional Sciences, Shaanxi Normal University, Xi'an 710119, China.
Abstract:
To investigate the role of apricot kernel in Massa Medicata Fermentata (MMF), three groups-MU (without apricot kernel), MA (with kernel) and MD (with debitterized kernel) were designed and compared with the digestive enzyme activity, microbial composition, amygdalin/benzaldehyde content, flavor and the starch digestibility. The results indicate that the debitterized apricot kernels significantly enhanced the digestive enzyme activity and starch hydrolysis. Multivariate analysis revealed that the microbial regulation primarily underlies MMF's efficacy against food stagnation, rather than direct enzymatic hydrolysis. In conclusion, Amygdalin in apricot kernels could serve as a key regulating factor exerting its potential biomarker in quality control for MMF by inhibiting the pathogenic bacteria, stabilizing core microbiota and suppressing the digestive enzymes.
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