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首页> 外文期刊>International journal of food science & technology >In vitro antioxidant activity and phenolic profiles of tropical fruit by-products
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In vitro antioxidant activity and phenolic profiles of tropical fruit by-products

机译：体外抗氧化活性和热带水果副产品的酚醛谱

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摘要

Peel and seeds of red-skinned passion fruit, mango, longan, rambutan, white-flesh and red-flesh dragon fruit were screened for their in vitro antioxidant activity, and determination of a detailed profile of phenolic compounds. Rambutan peel and mango seed extracts exhibited the highest total phenolic content and antioxidant activities (DPPH, ABTS and FRAP values). By using UPLC-QTOF-MS/MS analysis, the profiles of soluble and bound phenolics in the fruit by-products were obtained. Ellagic acid, geraniin, quercetin hexoside, gallic and galloyshikimic acid were predominant in rambutan peel, whereas, mangiferin, ellagic acid and galloy(di)glucoside were the major phenolic compounds in mango seed. Main phenolic compounds in longan peel were ellagic acid, galloyldiglucoside, and gallic acid, while in dragon fruit peel this was isorhamnetin glycoside, isorhamnetin glucorhamoside. Meanwhile, rutin and quercetin hexoside were predominant in passion fruit peel. These findings contribute significantly to the database of phenolic profiles of by-products of tropical fruits.
机译：筛选红皮肤激情水果，芒果，龙眼，红毛丹，白肉和红肉体龙果的果皮和种子对其体外抗氧化活性进行筛选，并确定酚类化合物的详细型材。红霉果皮和芒果种子提取物表现出总酚类含量最高和抗氧化活性（DPPH，ABTS和FRAP值）。通过使用UPLC-QTOF-MS / MS分析，获得了果实副产物中可溶性和结合酚类酚类的谱。在红霉果皮中，鞣花酸，大碱，普氏素己酮，神经和棕榈酰基吡啶酸，而Mangiferin，鞣花酸和牙科（DI）葡萄糖苷是芒果种子中的主要酚类化合物。龙眼果皮的主要酚类化合物是鞣花酸，戈林多甙和食小酸，而在龙果皮中，这是Isorhamnetin糖苷，Isorhamnetin Glucorhamoside。同时，芦丁和普蓉素己糖苷在激情果皮中占主导地位。这些发现对热带水果的副产品的酚醛谱系数据库有显着贡献。

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