Science Buddies: "Ask an Expert"

How can I accurately measure the amount of quercetin in a specific fruit and the amount of curcumin in a powdered spice?
Basically, I need to measure the amount of quercetin in a bunch of fruits using metric measurements if possible. Also, I need to measure the amount of curcumin in turmeric, cayenne, and other spices. It would be great if the cost of a method/system needed is low, and the measurements are accurate. Please suggest the method(s) in simple terms.

Hi SabreenAlam,

I responded to this question in your Grade 9-12 Physical Science post. Please make any additional posts in that forum so that we keep all correspondence on this topic in one place.

Thanks,
A. Norman