1·Don't litter scraps of paper and fruit peels everywhere in the park.
不要在公园里随地乱丢纸屑和果皮。
2·Peels help keep the fruit safe, as does boiling in the case of a cup of local tea.
果皮有助于保护水果，就像沸腾的水对于当地的茶一样。
3·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.
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。
4·Phenylalanine ammonia-lyase (PAL) is distributed mainly in the peels, and activity of the enzymes decreased very obviously with the increase of fruit ripeness.
苯丙氨酸解氨酶（PAL）主要分布在果皮中，并随着果实成熟度的提高，其活性呈极显著下降趋势。感病果实的果皮中三种酶活性均比健康果皮高。