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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Electrofocusing of methanolic extracts for identification of individual flavonol biomolecules in Camellia species.

An effort has been made to isolate individual catechin compounds from green tea leaves in their pure form by electrophoresis. In the present study total polyphenol extraction was carried out initially and estimated through spectrophotometric and HPLC methods. Extracted polyphenol was separated on 0.7% agarose gel and visualized at 360 nm. Fragmented individual compounds were gel eluted with methanol and confirmed as (-)-epigallocatechin (EGC), (-)-epicatechin (EC), (-)-epicatechin gallate (ECG), and (-)-epigallocatechin gallate (EGCG) by HPLC. The method developed describes a suitable method for the isolation of valuable molecules in tea.[1]

References

  1. Electrofocusing of methanolic extracts for identification of individual flavonol biomolecules in Camellia species. John, K.M., Vijayan, D., Rahul, P.R., Joshi, S.D., Kumar, R.R., Mandal, A.K. J. Agric. Food Chem. (2006) [Pubmed]
 
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