Table 2. Total polyphenol and flavonoid contents of paper mulberry leaf extracts
Samples | Total polyphenols(mg TAE/g)1) | Total flavonoids(μg QE/mg)2) |
PMEW | 41.92±1.16b3) | 26.32±0.59c |
PME30 | 37.00±0.20c | 31.84±2.40b |
PME70 | 46.91±1.79a | 46.73±0.65a |
Tannic acid equivalent.
Quercetin equivalent.
All values are mean±SD (n≥3), and different superscripts (a-c) in the same column are significantly different at p<0.05 by Duncan’s multiple range test.
PMEW, the water extract; PME30, the 30% ethanol extract; PME70, the 70% ethanol extract.