,astringency can be defined
by 33 different sub-qualities. In particular, for the increasing chain
length of the tannin molecule, the astringency attributes “drying”,
“chalky”, “adhesive”, and “pucker” were mainly correlated with
skins tannins. Seeds tannins were found to be coarser than skins,
but were also characterized by terms as “drying” and “chalkiness”
due to the correlation with a higher degree of galloylation