Molecules 2009, 14(9), 3486-3493; doi:10.3390/molecules14093486
Communication

Physicochemical Properties and Antioxidant Activities of Luteolin-Phospholipid Complex

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Received: 10 July 2009; in revised form: 12 August 2009 / Accepted: 24 August 2009 / Published: 9 September 2009
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: 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 μg/mL. In the Rancimat antioxidant test using lard oil as substrate, the complex also showed the strong antioxidant activity.
Keywords: luteolin; phospholipid; flavonoid; physicochemical property; antioxidant
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MDPI and ACS Style

Xu, K.; Liu, B.; Ma, Y.; Du, J.; Li, G.; Gao, H.; Zhang, Y.; Ning, Z. Physicochemical Properties and Antioxidant Activities of Luteolin-Phospholipid Complex. Molecules 2009, 14, 3486-3493.

AMA Style

Xu K, Liu B, Ma Y, Du J, Li G, Gao H, Zhang Y, Ning Z. Physicochemical Properties and Antioxidant Activities of Luteolin-Phospholipid Complex. Molecules. 2009; 14(9):3486-3493.

Chicago/Turabian Style

Xu, Keyong; Liu, Benguo; Ma, Yuxiang; Du, Jiquan; Li, Guanglei; Gao, Han; Zhang, Yuan; Ning, Zhengxiang. 2009. "Physicochemical Properties and Antioxidant Activities of Luteolin-Phospholipid Complex." Molecules 14, no. 9: 3486-3493.


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