Quality Evaluation of Different Black Beans Based on Principal Component Analysis
It was compared that nutritional composition of different varieties of black beans,while the quality evaluation index of black beans was improved,and the varieties suitable for edible and medicinal purposes were defined.It was determined that the contents of total phenolic acid,total flavone,condensed tannin,total anthocyanin,total polysaccharide and total protein in different varieties of black beans,while principal component analysis was applied.The results showed that the single index of the total content of six principal components of black bean varieties was integrated into two principal components.The first principal component was related to the medicinal value,and the second principal component was related to the edible value.Different varieties of black bean have different content of active ingredient.It is speculated that the horse feed beans and small black beans may have more medicinal value than black beans.
black beanactive ingredientprincipal component analysis
NETL
NSTL
万方数据
