女贞子中发芽抑制物质化学成分的研究

Studies on the Chemical Constituents of Germinant Inhibitor in the Fruits of Ligustrum Lucidum Ait.

女贞子是木樨科植物女贞(Ligustrum Lucidum Ait.)的果实。近年来,发现女贞子在农业生产上具有抑制种子萌发的作用。但关于女贞子中起抑制作用的主要有效成分,国内外尚未有报道,本研究利用活性追踪的方法,对女贞子中的水溶性物质进行了逐步地分离纯化,得到了一种白色粉末状化合物,通过物理常数测定、化学定性反应以及光谱测定(IR.UV.H^1 NMR),确定该化合物是女贞甙.研究表明:女贞子中含有多种抑制成分,而女贞甙是主要的抑制物质,它在2.5×10^(-3)mol或更高浓度时,在所观察的时间内。对小麦和白菜种子的萌发与生长产生明显的抑制作用。

Nuezhenzi is the fruit of Ligustrum Lucidum Ait. that belongs in Olive Family. Germinant inhibition of the fruits had been discovered in recent years, and this effect can be applicable to solve some problems of agricultural production. But no any domestic or foreign articles have been pub-lished that discussed what is the main inhibitory constituent in the fruits. These studies were done by means of tracking activity , and a white powery compound was isolated from the aqueous substance of the fruits by the fractional extraction and purification method . It was identified as Nuezhenide on the basis of physical - chemical properties and IR. UV. and H1NMR. It was proven that the fruits contain several inhibitors and Nuezhenide is the main inhibitory compound. It shows a clear inhibitory effect to the seeds of wheat and Chinese cabbage in 2.5 × 10-3mol or even more during the observed period.