Can anyone suggest a suitable protocol (UV-Vis Spectrophotometric) for Vitamin B complex (B1,B2,B3&B6 separately) estimation from rice grain?

I am in the process of estimation of nutritional value of some rice land races from Indica rice (Oryza Sativa L.) grain. I found HPLC method and Titrimetric methods for Vitamin B Complex analysis....

07 July 2015 6,737 7 View