Extraction Process Optimization and Activity Study on Total Flavonoids from Changbai Mountain Glycyrrhiza pallidiflora(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Extraction Process Optimization and Activity Study on Total Flavonoids from Changbai Mountain Glycyrrhiza pallidiflora

Keywords:: （1.Department of Bioengineering; College of Jilin Agriculture Science and Technology; Jilin; Jilin 132101; 2.Key Laboratory of the Animal and Plant Resources of Changbai Mountain Conservation and Utilization; College of Jilin Province; Jilin; Jilin 132101）

Abstract:: Optimization of the extraction process of total flavonoids from Changbai Mountain Glycyrrhiza pallidiflora were studied by L₉ (3⁴) Orthogonal test.At the same time，the antioxidative activity of total flavonoids from Glycyrrhiza pallidiflora was also studied by the method of pyrogallol autoxidation system，and the results were also compared with the effect of antiscorbic acid.The results showed that the optimal process parameters were as follows：the ratio of solid-liquid 1∶30 g/mL，the extraction temperature 80℃and the extraction time 3.5 hours；the abilities of flavonoids and antiscorbic acid to scavenging O?[TX-*4]2 increased as well as its concentration，and the maximum scavenging rate was 79.6% and 75.5% for flavonoids and antiscorbic acid respectively.So the flavonoids from roots of Glycyrrhiza pallidiflora possessed better antioxidantive activity than antiscorbic acid.

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Last Update: 2015-03-03