alstonia boonei crude saponin fraction

**Alstonia boonei crude saponin fraction** is a phytochemical extract derived from the stem bark of Alstonia boonei, a plant widely used in African traditional medicine. The crude saponin fraction is prepared through solvent extraction, primarily using water and n-butanol, and subsequent precipitation. LC-MS analysis identifies this fraction as rich in saponins (notably lactone and triterpenoid saponins such as gardenoside, alpha-carboxy-delta-decalactone, 3-O-cis-coumaroylmaslinic acid, 3\u03b1-O-trans-feruloyl-2\u03b1-hydroxy-12-ursen-28-oic acid, and lucidumol A)[1]. Pharmacologically, the fraction demonstrates **inhibitory activity against pancreatic lipase, \u03b1-amylase, and \u03b1-glucosidase**, suggesting mechanisms relevant for obesity and diabetes, mostly by interfering with digestive enzymes central to carbohydrate and fat absorption and metabolism[1][3]. The extract also exhibits antiadipogenic effects in vitro (reducing lipid accumulation in adipocytes) and has reported antioxidant activity[2][5].

Other names

alstonia boonei saponin fractionA. boonei crude saponin fractionalstonia boonei stem bark saponin fraction