The Potency of Alpinia galanga as Natural Antioxidant
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In 2,2-diphenyl,1-picrylhydrazyl (DPPH) free radical scavenging assay, among all the extracts ethanolic stem extract showed the highest scavenging prop- erty (IC 50 83.550 l
DPPH radical scavenging activity, reducing power ability and total antioxidant capacity were used to measure the antioxidant activity.. The total phenolic content (TPC) was also
The total polyphenol content Y1, total flavonoid content Y2, radical scavenging activity DPPH Y3 and ferric ion reducing antioxidant power Y4 were expressed individually as a function
repens was assessed using various methods including 2,2-diphenyl-1 picrylhydrazyl DPPH, hydroxyl radical scavenging assay, reducing power assay, FRAP assay and thiobarbituric acid
Abbreviations: DPPH = 1-diphenyl-2-picrylhydrazyl, FRAP = ferric reducing antioxidant power, TBARS = thiobarbituric acid reactive substances, TAC = total antioxidant capacity, NO =
These herb and spices were determined for moisture content and the extracts were analyzed for total phenolic content TPC and antioxidant activity DPPH radical scavenging assay and FRAP
DPPH radical scavenging assay Radical scavenging activity of the essential oil was assessed using DPPH 2.2-diphenyl-1-picrylhydrazyl free radical as a reagent with some
Total ethanol, ethyl acetate, and hexane extracts from leaves were examined for phenolic and flavonoid content, an antioxidant capacity that was related to DPPH scavenging activity,
