蚕豆不同部位左旋多巴(L-Dopa)含量研究  

Levodopa Content in Different Parts of Broad Beans

作　　者：郑开斌[1,2] 李爱萍[2] 廖素凤[2] 曹奕鸯[3] 沈金泉 陈常浙[2] 郑金贵 

机构地区：[1]福建农林大学,福建福州350002 [2]福建省农业科学院作物研究所,福建福州350013 [3]福建省三明市农业科学研究所,福建沙县365509 [4]福建省农田建设与土壤肥料技术总站,福建福州350001

出　　处：《福建农业学报》2012年第4期333-336,共4页Fujian Journal of Agricultural Sciences

基　　金：福建科技计划重点项目(2011N0012);福建省科技计划项目--省属公益类科研院所基本科研专项(2011R1028-4)

摘　　要：采用HPLC法测定蚕豆不同品种的花、茎、叶片、荚壳、种皮、子叶中L-Dopa的含量和不同颜色蚕豆花L-Dopa含量,以及蚕豆花不同烘干温度对L-Dopa含量的影响。结果表明,蚕豆不同部位L-Dopa含量以花中最高,子叶中含量最低,含量高低顺序为:花>叶片>荚壳>茎>种皮>子叶;91份蚕豆品种不同花色蚕豆花L-Dopa含量高低顺序为:白花>浅紫>紫色,表现出随花色加深,L-Dopa含量下降的趋势;100℃烘干的蚕豆花L-Dopa含量仅为40℃烘干的60%,显示高温烘干L-Dopa含量显著减少。Levodopa （L-dopa） in flowers, stems, leaves, bean pod, testa and cotyledon of different varieties of broad beans was determined by means of HPLC. Effect of drying temperature and bean＇s floral color on the L-dopa content was studied. The results showed that the L-dopa content was highest in flowers and lowest in cotyledons, in the order of： flowers 〉 leaves 〉 pod 〉 stem 〉 testa 〉 cotyledons. The L-dopa content in flowers ranged in the order of： white flowers 〉 light violet flowers 〉 purple flowers. The darker the floral color, the lower the L-dopa content became. The drying temperature affected significantly on the L-dopa content in the flowers. At 100℃, the L-dopa content of the dried flowers was only 60% of that in those dried at 40℃, indicating a significant L-dopa reduction due to the high temperature processing condition.

关 键 词：蚕豆 蚕豆花 左旋多巴 高效液相色谱 

分 类 号：S643.6[农业科学—蔬菜学]