香稻品种2-乙酰-1-吡咯啉多样性及籽粒分布特征的研究  

DIVERSITY OF 2-ACETYL-1-PYRROLINE CONTENT IN AROMATIC RICE (Oryza Sativa L.) VARIETIES AND DISTRIBUTED CHARACTERISTIC IN SEEDS

作　　者：应兴华[1] 徐霞[1] 欧阳由男[2] 朱智伟[1] 施建华[1] 

机构地区：[1]中国水稻研究所/农业部稻米及制品质量监督检验测试中心,浙江杭州310006 [2]中国水稻研究所/稻作技术研究与发展中心,浙江杭州310006

出　　处：《核农学报》2011年第1期71-74,共4页Journal of Nuclear Agricultural Sciences

基　　金：浙江省分析测试科技计划项目(2008F70016);国家自然科学基金项目(30700486);863计划(2006AA100101);国家转基因生物新品种培育重大专项(2008ZX08001-006)

摘　　要：采用田间试验方法研究同一地点和时间种植、同一栽培条件下2-乙酰-1-吡咯啉在11个香稻品种间差异性及籽粒分布特征。结果表明,桂香丝糯、中健2号、清香米、泰国香稻1号R207和Texmati等5个品种含有2-乙酰-1-吡咯啉,精米与糠中的2-乙酰-1-吡咯啉含量在上述5个品种间存在显著差异(P<0.05),其中Texmati精米和糠中2-乙酰-1-吡咯啉的含量最高,分别为0.6765和0.1738mg/kg,桂香丝糯精米和糠中2-乙酰-1-吡咯啉的含量最低,分别为0.0452和0.0173mg/kg。2-乙酰-1-吡咯啉在香稻籽粒中分布特征为90%以上分布于精米,不足10%分布于糠,稻壳中未见2-乙酰-1-吡咯啉分布。Field experiments were performed to study the different contents of 2-acetyl-1-pyrroline in 11 aromatic rice varieties grown in the same place and same time with the same cultivation conditions and their distribution characteristics in seeds.The results showed that 5 aromatic rice varieties（Guixiangsinuo,Zhongjian 2,Qingxiangmi,Taiguoxiangdao 1 R207 and Texmati） contained 2-acetyl-1-pyrroline,and 2-acetyl-1-pyrroline concentrations in milled rice and bran in those 5 varieties varied significantly（P〈 0.05）.The highest level was found in Texmati with 0.6765mg/kg in milled rice and 0.1738mg/kg in bran,whereas the lowest level in Guixiangsinuo with 0.0452mg/kg in milled rice and 0.0173mg/kg in bran.The 2-acetyl-1-pyrroline was distributed mostly in the milled rice part（more than 90% of total content in rice grain）,and only 10% in the bran and no any 2-acetyl-1-pyrroline was found in chaff.

关 键 词：2-乙酰-1-吡咯啉 香稻 多样性 籽粒 分布特征 

分 类 号：S511[农业科学—作物学]