Physicochemical Properties and Antioxidant Activities of Luteolin-Phospholipid Complex

被引：71
|
作者：
Xu, Keyong [2 ]
Liu, Benguo [1 ]
Ma, Yuxiang [3 ]
Du, Jiquan [1 ]
Li, Guanglei [1 ]
Gao, Han [1 ]
Zhang, Yuan [1 ]
Ning, Zhengxiang [2 ]
机构：
[1] Henan Inst Sci & Technol, Sch Food Sci, Xinxiang 453003, Peoples R China
[2] S China Univ Technol, Coll Light Ind & Food Sci, Guangzhou 510640, Guangdong, Peoples R China
[3] Henan Univ Technol, Coll Grain & Food, Zhengzhou 450052, Peoples R China
来源：
MOLECULES | 2009年 / 14卷 / 09期
关键词：
luteolin; phospholipid; flavonoid; physicochemical property; antioxidant;
D O I：
10.3390/molecules14093486
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
A luteolin and phospholipid complex was prepared to improve the lipophilic properties of luteolin. The physicochemical properties of the complex were analyzed by ultraviolet-visible spectrometry (UV), infrared spectrometry (IR), X-ray diffractometry (XRD) and differential scanning calorimetry (DSC). The results showed that luteolin and phospholipid in the complex were joined by non-covalent-bonds and did not form a new compound. It was found that the complex was an effective scavenger of DPPH radicals, with an IC50 value of 28.33 mu g/mL. In the Rancimat antioxidant test using lard oil as substrate, the complex also showed the strong antioxidant activity.
引用
收藏
页码：3486 / 3493
页数：8
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