Journal
INTERNATIONAL JOURNAL OF FOOD PROPERTIES
Volume 21, Issue 1, Pages 1495-1507Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10942912.2018.1489833
Keywords
Mulberry; Genetic diversity; Nutrients; Phytochemical; Antioxidant activity; Food material
Categories
Funding
- Ministry of Agriculture of the People's Republic of China [CARS-18]
- Nanchang University [SKLF-ZZA-201610]
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Mulberry leaves had been used as material of medicine, drink, and functional foods in many countries, but the variety suitability for different applications is still not clear. In this study, the nutritional and phytochemical components of mulberry tender shoots from 19 varieties in China were investigated. Obvious genotypic diversity was observed in all the assessed components. The contents of crude protein (CP), total soluble sugars (TSS), crude fiber (CF), 1-deoxynojirimycin (DNJ), total phenolic (TP), and total flavonoid content (TF) were 27.63-37.36g/100g dry weight (DW), 58.71-150.31mg/g DW, 9.90-13.85g/100g DW, 0.08-1.12mg/g DW, 8.76-20.26mg gallic acid equivalents (GAE)/g DW, and 21.36-56.41mg rutin equivalents (RE)/g DW, respectively. Chlorogenic acid, rutin, isoquercitrin, and astragalin were considered to be mainly potential antioxidant compounds in mulberry leaves. According to the result of correlational analysis, principal component analysis (PCA), and hierarchical cluster analysis (HCA), the NS14 variety had high comprehensive healthy properties. GS8, D10, XS, TP2, and DHS could be appropriate materials for functional food or drink because of high content of phenolics or DNJ. Some varieties may have a potential application as protein-rich vegetables. The study suggests that some variety of mulberry could be selected and utilized rationally for their dietary properties.
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