Given their putative role in chemoprevention, validated methods are needed for quantification of total glucosinolates. Based on the colorimetric reaction of ferricyanide with 1-thioglucose, released ...

For the spectrophotometric and biological investigations, vitamin A concentrates of widely varying activity as well as crude liver oils were used.

The proposed spectrophotometric method is simple and rapid for the in vitro determination of SPF values of sunscreens emulsions. Sunscreens; Cosmetic products; Sun protection factor; UV ...

A fast, simple, sensitive, selective and inexpensive spectrophotometric method was developed for quantification of cephalexin that is widely available in the market and manufactured by the indigenous ...