phytosterols
(1)content of total phytosterols
≥90%
≥95%
≥95%
(2)content of β—sitosterols
≥40%
≥43%
≥43%
(3)content of stigmasterol
≥16%
≥20%
≤5%
(4)content of brassicasterol
≤4%
≤4%
≥17%
(5)content of campesterol
≥20%
≥28%
≥30%
(6)[α]D20° Specific rotation
≤-30°
≤-30°
≤-30°