Tea polyphenols o se faaupuga lautele mo mea polyphenolic i lau lauti, o pa?u pa?epa?e amorphous e faigofie ona solu i le vai, solu i le ethanol, methanol, acetone, ma le ethyl acetate, ma e le mafai ona solu i le chloroform. Ole mea ole lauti polyphenols ile lauti lanumeamata e maualuga tele, e tusa ma le 15% i le 30% o lona mamafa. O vaega autu o le lauti polyphenols o flavonoids, anthocyanins, flavonols, anthocyanins, phenolic acids, ma phenolic acids. Faatasi ai ma i latou, flavanones (tele catechins) e sili ona taua, fa?amauina mo le 60% i le 80% o le aofa?i polyphenols lauti, sosoo ai ma le flavonoids, ma isi mea phenolic e maualalo mea e maua.