44% (GC) with Campesterol (~24%), Stigmasterol (~28%)
Physical Form (at 20°C):
-33° - -39° (c=0.5, CHCl3)
Store long-term at -20°C
DOT/IATA TRANSPORT INFORMATION
Not hazardous material
REVIEW Beta-Sitosterol is one of several phytosterols related to cholesterol. It reduces blood levels of cholesterol by competing with it for absorption in the intestine and is sometimes used in treating hypercholesterolemia. Due to its structural similarity to cholesterol, when sitosterol is absorbed in the intestine, it is transported by lipoproteins and incorporated into the cellular membrane. It takes the place of dietary and biliary cholesterol in micelles produced in the intestinal lumen.
Geoffroy, Philippe; Julien-David, Diane; Marchioni, Eric; Raul, Francis; Aoude-Werner, Dalal; Miesch, Michel Synthesis of highly pure oxyphytosterols and (oxy)phytosterol esters Steroids (2008), 73(7), 702-707.
Hang, Jiliang; Dussault, Patrick A concise synthesis of beta-sitosterol and other phytosterols Steroids (2010), 75(12), 879-883.
Berges RR, Windeler J, Trampisch HJ, Senge T. Randomised, placebo-controlled, double-blind clinical trial of beta-sitosterol in patients with benign prostatic hyperplasia. Beta-sitosterol Study Group. Lancet. 1995 Jun 17;345(8964):1529-32.
Wilt TJ, MacDonald R, Ishani A.beta-sitosterol for the treatment of benign prostatic hyperplasia: a systematic review. BJU Int. 1999 Jun;83(9):976-83.
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