Optimization of Ultrasonic-Assisted Extraction of Total Flavonoids from Abrus Cantoniensis (Abriherba) by Response Surface Methodology and Evaluation of Its Anti-Inflammatory Effect

被引:21
|
作者
Wu, En-Yun [1 ]
Sun, Wen-Jing [2 ]
Wang, Ying [1 ]
Zhang, Ge-Yin [1 ]
Xu, Bai-Chang [1 ]
Chen, Xiao-Gang [1 ]
Hao, Kai-Yuan [1 ]
He, Ling-Zhi [1 ]
Si, Hong-Bin [1 ]
机构
[1] Guangxi Univ, Coll Anim Sci & Technol, State Key Lab Conservat & Utilizat Subtrop Agrobi, Nanning 530004, Peoples R China
[2] Yulin Normal Univ, Coll Biol & Pharm, Guangxi Key Lab Agr Resources Chem & Biotechnol, 1303 Jiaoyu East Rd, Yulin 537000, Peoples R China
来源
MOLECULES | 2022年 / 27卷 / 07期
基金
美国国家科学基金会;
关键词
Abrus cantoniensis; flavonoids; response surface; ultrasonic extraction; anti-inflammatory; ANTIOXIDANT;
D O I
10.3390/molecules27072036
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
Abrus cantoniensis is a Chinese herbal medicine with efficacy in clearing heat and detoxification, as well as relieving liver pain. The whole plant, except the seeds, can be used and consumed. Flavonoids have been found in modern pharmacological studies to have important biological activities, such as anti-inflammatory, antibacterial and antioxidant properties. The antibacterial and antioxidant bioactivities of the total flavonoids of Abrus cantoniensis (ATF) have been widely reported in national and international journals, but there are fewer studies on their anti-inflammatory effects. The present study focused on the optimization of the ultrasonic extraction process of ATF by response surface methodology and the study of its anti-inflammatory effects in vitro and in vivo. The results showed that the factors that had a great impact on the ATF extraction were the material-to-liquid ratio, ultrasonic extraction cycles and ethanol concentration. The best extraction process used a material-to-liquid ratio of 1:47, ultrasonic extraction cycles of 4 times, an ethanol concentration of 50%, an ultrasonic extraction time of 40 min and an ultrasonic power of 125 W. Under these conditions, the actual extraction rate of total flavonoids was 3.68%, which was not significantly different from the predicted value of 3.71%. In an in vitro anti-inflammatory assay, ATF was found to be effective in alleviating LPS (lipopolysaccharide)-induced inflammation in mouse peritoneal macrophages. In an in vivo anti-inflammatory assay, ATF was found to have a significant inhibitory effect on xylene-induced ear swelling in mice and cotton ball granuloma in mice, and the inhibitory effect was close to that of the positive control drug dexamethasone. This may provide a theoretical basis for the further development of the medicinal value of Abrus cantoniensis.
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页数:17
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