RP-HPLC analysis of phenolic antioxidant compound 6-gingerol from in vitro cultures of Zingiber officinale Roscoe
2015
Pawar, Nilesh V | Pai, Sandeep R | Nimbalkar, Mansingraj S | Dixit, Ghansham B
Relation between 6-gingerol content and antioxidant activity in in vitro grown cultures of ginger was studied. Reverse phase HPLC analysis revealed that rhizome derived callus culture and micropropagated plants produced lowest amount of 6-gingerol compare to conventionally grown plants. The antioxidant activity of extracts was determined using 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging assay and Ferric Reducing power assay (FRAP) and correlated with the content of total phenolics and total flavonoids in the extracts. Strong correlation was found between antioxidant activity, total phenolics and 6- gingerol content.
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