Coloration, anthocyanin profile and metal element content of Yunnan Red Pear (Pyrus pyrifolia)
文献类型: 外文期刊
第一作者: Li, K. Z.
作者: Li, K. Z.;Zhang, X. D.;Shu, Q.;Su, J.;Allan, A. C.
作者机构:
关键词: red peel pear;exocarp coloration;LC-MS/MS;anthocyanins;elemental analysis
期刊名称:HORTICULTURAL SCIENCE ( 影响因子:0.833; 五年影响因子:0.985 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The pigmentation response, coloration components and the metal elemental content of Yunnan Red Pear were studied. Light is indispensable for peel pigmentation. With increasing duration of illumination of fruit, the area of skin colour and colour intensity of peel increases due to accumulation of anthocyanin. The red anthocyanin component of Yunnan Red Pear skin is cyanidin-3-O-galactoside. Other phenolic compounds in pear skin are chlorogenic acid, isorhamnetin-3-O-galactoside and isorhamnetin-3-0-6"-malonylgalactoside; or isorhamnetin-3-0-6"-malonyiglucoside; or isorhamnetin-3-O-malonylgalactoside. The elements Ca, Mg and Fe are abundant in Yunnan Red Pear flesh, and Zn, Mn, Cu were also identified. These results will aid red pear breeding and pearnutrition research, as well as increase understanding of the regulatory mechanisms underlying pear fruit colouration.
分类号: S6
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