|Table of Contents|

Effects of Different Drying Methods on the Chemical Constituents and Anti-oxidant Activities of Gymnospermium microrrhynchum

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年16
Page:
123-129
Research Field:
Publishing date:

Info

Title:
Effects of Different Drying Methods on the Chemical Constituents and Anti-oxidant Activities of Gymnospermium microrrhynchum
Author(s):
QIN Rulan1; WANG Danping2; MIAO Dongyu3; LU Jincai3; LYU Chongning3
(1.School of Pharmacy and Medicine,Tonghua Normal University,Tonghua,Jilin 134002;2.Horticulture Institute of Tonghua City,Tonghua,Jilin 134002;3.School of Traditional Chinese Materia Medica,Shenyang Pharmaceutical University,Shenyang,Liaoning 110016)
Keywords:
Gymnospermium microrrhynchum; drying methods; ingredient; determination of content; anti-oxidant activity
PACS:
-
DOI:
10.11937/bfyy.20204973
Abstract:
Gymnospermium microrrhynchum was used as experimental material,and the Gymnospermium microrrhynchum was dried by 3 different drying methods such as sun drying,shading drying,silica drying etc.The contents of total saponins,total flavonoids and polysaccharides were determined by ultraviolet spectrophotometer.The effects of different drying methods on the contents of ingredients was investigated.The anti-oxidant activity was measured by the index including DPPH radical scavenging ability,ABTS radical scavenging ability,hydroxyl radical scavenging ability and superoxide anion free radical scavenging ability,which were implied to evaluate anti-oxidant activities of Gymnospermium microrrhynchum by different drying methods.Meanwhile,the relationships between contents of total saponins,total flavonoids,polysaccharides and anti-oxidant activities in various samples were discussed by Pearson correlation analysis.In order to provide a reference for the processing of Gymnospermium microrrhynchum.The results showed that the content of total flavonoids,total saponins and polysaccharides were 0.009 8,0.008 8 g?g-1 and 0.014 7 g?g-1 in sample dried processed at 70 ℃,which were the highest in all samples.Especially,it showed the highest scavenging activities for superoxide anion free radical and ABTS radical.The IC50 were 4.981 g?L-1 and 3.543 g?L-1.The DPPH radical scavenging ability and the hydroxyl radical scavenging ability were the highest in the sample processed by vacuum freeze drying,which were 3.358 g?L-1 and 4.336 g?L-1.The sample dried processed at 70 ℃ had the strongest total reduction ability.The relationship between the anti-oxidant activities and the total saponins,the total flavonoids were positively by Pearson correlation analysis (P<0.05).

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Last Update: 2021-12-03