Health Product Extract factory Senna leaf extract, folium sennae extract, cassia angustifolia extractive. Senna leaf is native to dry and hot areas. It acts on the colon and generally takes effect within a few hours. It takes only 3-5 months from sowing to flowering and fruiting. Senna leaf contains sennoside C, namely Rhein aloe emodin dianthrone-8,8 '- diglucoside. In addition to sennoside A...