Tannin levels in berry skins and seeds during ripening

This is a brief description of Dr. Adams' UC Davis tannin assay, and an example of its application to measure tannin levels in the skins and seeds of three grape varieties during berry ripening.

You can find the full text at: http://www.ajevonline.org/cgi/reprint/53/1/54?maxtoshow=&HITS=10&hits=10&RES