菠萝果皮中原花青素含量是果肉的5倍，总酚含量高约50%，叶绿素主要存在于果皮中，这些物质是引起带皮榨汁法比去皮榨汁法产品褐变严重的主要原因。

Proanthocyanidin content in pineapple peel was about 5 times to fruit pulp, and the total phenol content was approximately 50% higher, chlorophyll mainly exists in peels.

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毛葡萄干红葡萄酒中主要的花色苷是花青素3-O-葡萄糖苷和花翠素3-O-葡萄糖苷，相对含量分别为49.2 %和42.5 %，这两种花色苷含量占总含量的90 %以上。

The main anthocyanins of Vitis quinquangularisis wine were Cy3-O-Gl and Dp3-O-Glu, the contents were 49.2 % and 42.5 %, which were more than 90 % of the total content.

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毛葡萄干红葡萄酒中主要的花色苷是花青素3-O-葡萄糖苷和花翠素3-O-葡萄糖苷，相对含量分别为49.2 %和42.5 %，这两种花色苷含量占总含量的90 %以上。

The main anthocyanins of Vitis quinquangularisis wine were Cy3-O-Gl and Dp3-O-Glu, the contents were 49.2 % and 42.5 %, which were more than 90 % of the total content.

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