影响油用亚麻α-亚麻酸含量主要因素初步分析  

Preliminary Analysis of Main Influence Factors onα-linolenic Acid Content in Linseed

作　　者：乔海明 米君 曲志华 李世芳 张丽丽 许雅慧 米亚丽[2] 乔剑[2] 

机构地区：[1]河北省张家口市农科院,河北张家口075000 [2]河北北方学院图书馆,河北张家口075000

出　　处：《中国麻业科学》2014年第4期191-193,216,共4页Plant Fiber Sciences in China

基　　金：国家油用胡麻现代农业产业技术体系建设专项资金资助(CARS-17-GW-1)

摘　　要：为了明确产地、品种、收获时期及年份对油用亚麻α-亚麻酸含量影响程度,本项试验以α-亚麻酸为测定指标,采用气相色谱法测定了"坝选3号"等5个油用亚麻品种2个不同收获时期,以及内蒙古、河北两省区七个产地油用亚麻籽实中的α-亚麻酸含量。结果表明:1.同一地点测定5个油用亚麻品种间α-亚麻酸含量最高相差4.476个百分点,不同品种间α-亚麻酸含量有较大差异。2.不同品种两个收获时期α-亚麻酸含量差异在1.052-1.896个百分点之间,同一品种不同收获时期α-亚麻酸含量有明显变化,随着成熟度的提高,α-亚麻酸含量相应提高。3.同一品种在同一地点不同年份α-亚麻酸含量也有一定变化,最高年份和最低年份相差1.338个百分点。4."坝选3号"在5个不同产地测定α-亚麻酸含量变动幅度在53.802%-60.579%之间,最多相差6.777个百分点,同一品种在不同产地α-亚麻酸有较大差异。5.基于本项试验设置范围,通过初步分析,对油用亚麻α-亚麻酸含量影响程度依次是产地(生态因素)、品种、收获时期和年份(气象因素)。选用"坝选3号"油用亚麻品种在类似河北沽源大二号生态区域种植,并适当推迟收获是获得高α-亚麻酸含量有效途径。In order to investigate how planting area,variety,harvesting preiods and climate influence α-linolenic acid content in linseed,Baxuan 3 harvested at 2 different periods and other linseeds collected from 7 planting areas such as Inner Mongolia and Hebei Province,were measured by gas chromatography method to test α-linolenic acid content.The results showed that the maximum difference reached 4.476％ between 5 varieties at the same planting area,and there was a relative evident difference between different varieties.There was a difference range of 1.052-1.896％ between different varieties at 2 harvesting periods,and there was an evident difference for the same variety at 2 harvesting periods,α-linolenic acid content increased with the increasing of maturity.There was also difference for the same variety at the same planting area in different years,and the highest difference was 1.338％.The range of α-linolenic acid content was 53.802％-60.579％ for Baxuan 3 harvested from 5 planting areas,the highest difference was 6.777％.As results,the influential factors ranked as planting areas （ecological factor）,variety,harvesting time and year （climate factor）.The effective way to get high α-linolenic acid content is to harvest late properly,when choosing Baxuan 3 as oil flax planted in the area similar to the ecological region in Kuyuan large Ⅱ in Hebei province.

关 键 词：油用亚麻 Α-亚麻酸 含量 测定 气相色谱法 

分 类 号：S563.2[农业科学—作物学]