1.Xanthohumol is the main prenyl flavonoid of female inflorescences in the hops.
摘要黄腐酚是啤酒雌花中主要含异戊基类黄酮。
2.Abstract: The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.
摘 要: 来自裂解乙C5馏份含有非常有工原——异戊、戊、戊间。
3.The controls were homeochronous inpatients with affective disorder and normal individuals.lsoprene breath levels were measured by gas chromatography combined with mass spectroscopy(GC-MS).