Citra Rachmawati

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Questions related from Citra Rachmawati

Any explanation why methanol 50% extraction solvent gives higher result of antioxidant activity other than pure water and pure methanol?

In my research I found that my %dpph inhibition (presenting antioxidant activity) of my extract in methanol50%(rest50% water)>water>pure methanol. Can anyone explaining why methanol50% gives...

18 July 2017 1,112 5 View

Journal articles about best solvent for DPPH stock solution (?) ; what 'standard solution' refer to in terms of DPPH scavenging activity?

1. I read some journal articles and also questions regarding the solvent of DPPH stock solution in the question section provided in this website. Mostly the journal articles and the answer prefer...

02 May 2017 9,946 4 View