文献类型： 外文期刊
作者： Prasad, Nagendra 1 ; Yang, Bao 2 ; Kong, Kin Weng 3 ; Khoo, Hock Eng 1 ; Sun, Jian 4 ; Azlan, Azrina 1 ; Ismail, Amin; 1 ;
作者机构： 1.Univ Putra Malaysia, Dept Nutr & Dietet, Fac Med & Hlth Sci, Serdang 43400, Selangor, Malaysia
2.Chinese Acad Sci, South China Bot Garden, Key Lab Plant Resources Conservat & Sustainable U, Guangzhou 510650, Guangdong, Peoples R China
3.Univ Malaya, Fac Med, Dept Mol Med, Kuala Lumpur 50603, Malaysia
4.Guangxi Acad Agr Sci, Inst Agrofood Sci & Technol, Nanning 530007, Peoples R China
5.Univ Putra Malaysia, Halal Prod Res Inst, Lab Halal Sci Res, Serdang 43400, Selangor, Malaysia
6.MUDA Agr Dev Author MADA, Alor Setar 05990, Kedah, Malaysia
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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