Max yield at 100 °C
Hot water extracts from green, oolong, black, and scented teas, analyzed for ten antioxidants via HPLC, achieve maximum antioxidant yield at 100 °C, suitable for formulating antioxidant-rich tea drinks.
Cheng, Yan · Xue, Fumin · Yang, Yu
Molecules 2023
Longjing green tea extract at 100 °C has the highest antioxidant concentration of 88 mg/g
Caffeine concentration in Rizhao green tea extract at 100 °C ranges from 7.04 to 20.4 mg/g
Epigallocatechin and caffeine are the most abundant compounds, ranging from 4.77 to 26.88 mg/g
Antioxidant yield enhanced by prolonging extraction time up to 60–120 min for all ten compounds