... :1Molecular Formula: C9H13NO2Molecular Weight:167.21Introduction:The active ingredient of Citrus Aurantium, synephrine is used therapeutically worldwide. As: abdomen pain,diarrhea,edema ... . The main function of it is lowering weight. In addition, Citrus Aurantium P.E is widely used to contrat blood vein, diuresis ... so on. any requirement,feel free to contact us. Superior Citrus Aurantium P.E