Yujuan Xu

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Total anthocyanins in different cultivars of mulberry were measured and a process for the industrial preparation of mulberry antho-cyanins as a natural food colorant was studied. In 31 cultivars of mulberry, the total anthocyanins, calculated as cyanidin 3-glucoside, ranged from 147.68 to 2725.46 mg/L juice. Extracting and purifying with macroporous resins(More)
The chemical composition, antioxidant and antimicrobial activity of Pericarpium Citri Reticulatae (PCR) essential oil obtained using an improved Clevenger type apparatus were studied. Among the five different PCRs examined the highest yield of essential oil was found in Chachi 2004 (harvested and stored in 2004) and the lowest in Chachi 2008 (harvested and(More)
The title compound {systematic name: 4-[(E)-2-(3,5-dihy-droxy-phen-yl)ethen-yl]benzene-1,3-diol dihydrate}, C(14)H(12)O(4)·2H(2)O, a derivative of resveratrol, was isolated from mulberry. The linking C=C double bond has a trans conformation and allows the formation of a conjugated system throughout the mol-ecule. The dihedral angle between the benzene rings(More)
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