Sunday, July 12, 2009

How do you test vitamin C in broccoli?

in titration .or any other method

How do you test vitamin C in broccoli?
You mention titration, so you want to know about quantitative analysis, I suppose.





Here you find details about methods to determin the amount of ascorbic acid in different plant ( and animal ) tissues:


ferricyanide method,


colorimetric determination,


indicator method


and a "new method"


http://www.jbc.org/cgi/reprint/108/2/563...





Quantitative and qualitative analysis can be made by chromatography f.e.





There are also a lot of modern methods like reversed phase HPLC analysis or spectrophotometric determination .


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