Whether aspalathin is associated with astringency has not yet been established, whereas the slightly astringent character of quercetin and luteolin has been mentioned in literature (Ley, 2008; Stark, Bareuther, & Hofmann, 2005).
Whether aspalathin is associated with astringency has not yet been established, whereas the slightly astringent character of quercetin and luteolin has been mentioned in literature (Ley, 2008; Stark, Bareuther, & Hofmann, 2005).