In Vitro Antiproliferative and Antioxidant Effects of Extracts from Rubus caesius Leaves and Their Quality Evaluation

Table 2

DPPH radical reduction assay. IC₅₀ values of extracts action compared to corresponding activity of synthetic vitamin E derivative (Trolox).

Samples	IC50 of extract activity (μg/mL)	Trolox concentration (μg/mL) which corresponds to IC50 of extract activity
RC1	240.9	20.5
RC2	101.8	26.8
RC3	123.5	32.7
RC4	54.8	23.0
RC5	44.5	21.3
RC6	131.3	23.0