Phenolic Composition and Antioxidant Activity of Malus domestica Leaves

被引：79

作者：

Liaudanskas, Mindaugas ^{[1
]}

Viskelis, Pranas ^{[2
]}

Raudonis, Raimondas ^{[1
]}

Kviklys, Darius ^{[2
]}

Uselis, Norbertas ^{[2
]}

Janulis, Valdimaras ^{[1
]}

机构：

[1] Lithuanian Univ Hlth Sci, Fac Pharm, Dept Pharmacognosy, Eiveniu St 4, LT-50161 Kaunas, Lithuania

[2] Lithuanian Res Ctr Agr & Forestry, Inst Hort, LT-54333 Kaunas, Lithuania

来源：

SCIENTIFIC WORLD JOURNAL | 2014年

关键词：

BLOOD-GLUCOSE LEVELS; APPLE LEAVES; HEART-DISEASE; IN-VIVO; PHLORHIZIN; FRUITS; FLAVONOIDS; CAPACITY; POLYPHENOLS; GLYCOSIDES;

D O I：

10.1155/2014/306217

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The aim of this study was to determine the composition and content of phenolic compounds in the ethanol extracts of apple leaves and to evaluate the antioxidant activity of these extracts. The total phenolic content was determined spectrophotometrically, as well as the total flavonoid content in the ethanol extracts of apple leaves and the antioxidant activity of these extracts, by the ABTS, DPPH, and FRAP assays. The highest amount of phenolic compounds and flavonoids as well as the highest antioxidant activity was determined in the ethanol extracts obtained from the apple leaves of the cv. Aldas. The analysis by the HPLC method revealed that phloridzin was a predominant component in the ethanol extracts of the apple leaves of all cultivars investigated. The following quercetin glycosides were identified and quantified in the ethanol extracts of apple leaves: hyperoside, isoquercitrin, avicularin, rutin, and quercitrin. Quercitrin was the major compound among quercetin glycosides.

引用

页数：10

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