Phytochemicals and Antioxidant Capacity from Nypa fruticans Wurmb. Fruit

文献类型： 外文期刊

第一作者： Prasad, Nagendra

作者： Prasad, Nagendra;Khoo, Hock Eng;Azlan, Azrina;Ismail, Amin;Yang, Bao;Kong, Kin Weng;Sun, Jian;Azlan, Azrina;Ismail, Amin;Bin Romli, Zulfiki

作者机构：

期刊名称：EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE （ 影响因子：2.629； 五年影响因子：2.845 ）

ISSN： 1741-427X

年卷期： 2013 年

页码：

收录情况： SCI

摘要： Nypa fruticans Wurmb. is one of the important underutilized fruit of Malaysia, which lacks scientific attention. Total phenolics, flavonoid content, and antioxidant capacities from endosperm extracts of Nypa fruticans (unripe and ripe fruits) were evaluated. Endosperm extract of unripe fruits (EEU) exhibited the highest phenolics (135.6 +/- 4.5 mg GAE/g), flavonoid content (68.6 +/- 3.1 RE/g), and antioxidant capacity. Free radical scavenging capacity of EEU as assessed by 2-2 ' -azino-bis (3-ethylbenz-thiazoline-sulfonic acid (ABTS) and 1,1-diphenyl-2-picryl hydrazyl (DPPH) radicals showed inhibitory activity of 78 +/- 1.2% and 85 +/- 2.6%, respectively. Beta carotene bleaching coefficient of EEU was higher (2550 +/- 123), when compared to endosperm extract of ripe fruits (1729 +/- 172). Additionally, EEU exhibited high antioxidant capacity by phosphomolybdenum method and ferric reducing antioxidant power values. Eight phenolic compounds from Nypa fruticans endosperm extracts were identified and quantified by ultra-high-performance liquid chromatography. Chlorogenic acid, protocatechuic acid, and kaempferol were the major phenolic compounds. Thus this fruit could be used as a potential source of natural antioxidant.

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