Determination of Carnosic acid in rosemary

I am trying to find a definitive method that will allow me to determine the quantity of carnosic acid in rosemary oleoresins and dried extracts. Does anyone ha…

1. Food R&D Emeritus reply

   @foodprotection There are analytical methods if you only care to search using your selected keywords.. Just tried your keywords and got immediate answer from. SCIENCE DIRECT.. Go…

2. Tom reply

   I have searched, and found that HPLC is the best answer, as I am unable to find a direct method that QUANTIFIES the carnosic acid content, this I am unable to find, I will also ad…

3. Food R&D Emeritus reply

   How about this ..did you not find it informative...? https://www.sciencedirect.com/science/article/pii/S1021949817300881

4. Tom reply

   I did not see this one earlier, thanks for your reply.

5. Food R&D Emeritus reply

   Thats The one I found earlier from quick search using your keyword..🙂