3beta-hydroxytaraxaster-20-en-30-al

L-Leucine ((S)-Leucine) is one of nine essential amino acids in humans (provided by food), L-Leucine is important for protein synthesis and many metabolic functions. L-Leucine contributes to regulation of blood-sugar levels; growth and repair of muscle and bone tissue; growth hormone production; and wound healing. L-Leucine also prevents breakdown of muscle proteins after trauma or severe stress and may be beneficial for individuals with phenylketonuria. L-Leucine is available in many foods and deficiency is rare.

29-Nor-20-oxolupeol(3 beta-Hydroxy-30-norlupan-20-one) has growth inhibitory effects on HL-60 cells.

30-Hydroxylup-20(29)-en-3-one is a natural product of Maytenus, Celastraceae. The catalog number is TN2984 and the CAS number is 72944-06-0. 30-Hydroxylup-20(29)-en-3-one can be used as a reference standard.