肉果秤锤树核果甲醇提取液发芽抑制物质研究

FU Qin-chao, LIU Chao, WANG Ying,LI Chao-hao,HU Qiang

Northern Horticulture(2015)

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Abstract
以肉果秤锤树核果为试材,以白菜籽为研究对象,运用系统溶剂法提取分离肉果秤锤树(Sinojackia sarcocarpa L.Q.Luo)核果甲醇浸提液,得到石油醚相、乙醚相、乙酸乙酯相、甲醇相4个分离组分,进行发芽抑制物质生物测定,并对各个萃取液组分进行鉴定和相对含量测定,进一步研究了肉果秤锤树核果内源抑制物与种子休眠的关系.结果表明:乙醚相、乙酸乙酯相、甲醇相中含有抑制种子萌发和幼苗生长的物质,且含有的抑制物活性依次为:甲醇相>乙酸乙酯相>乙醚相.通过气相色谱-质谱联用仪进一步分离与鉴定,确定发芽抑制物的种类与相对含量,发现肉果秤锤树核果中包含辛酸、十七烷酸、油酸等发芽抑制物.
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