LI Xian-jia,SONG Qing-huan,REN Li-ping.Enhanced Ultraviolet-B Radiation Reduced Isoflavones Contents in Soybean[J].Soybean Science,2009,28(02):357-359.[doi:10.11861/j.issn.1000-9841.2009.02.0357]
紫外辐射对大豆异黄酮含量变化的影响
- Title:
- Enhanced Ultraviolet-B Radiation Reduced Isoflavones Contents in Soybean
- 文章编号:
- 1000-9841(2009)02-0357-03
- Keywords:
- UV-B radiation; Soybean isoflavones; HPLC
- 分类号:
- R284
- 文献标志码:
- A
- 摘要:
- 研究了UV-B强度增加对大豆异黄酮含量变化的影响,建立高效液相色谱检测方法用于大豆异黄酮的检测。大豆植株经不同辐照度UV-B辐射后,收获成熟籽粒,超声波振荡法提取大豆异黄酮,采用BDS Hypersil C18柱,以含甲醇∶0.4% 磷酸(30∶70,v/v)洗脱,DAD254 nm检测,内标法定量。结果显示大豆在180 mwm-2UV-B处理后出现了不同程度的伤害,大豆异黄酮含量明显降低,其中Daidzin、Glycitin、Genistin和Daidzein含量分别比对照降低 4.5%、8.6%、1.1%和11.4%,且具有较好的相关性。
- Abstract:
- The effect of enhanced ultraviolet radiation(UV-B) on soybean isoflavone content was investigated, a high performance liquid chromatography(HPLC) method for the determination of soybean isoflavones was presented. Soybean plants were treated with enhanced UV-B till mature.The harvested soybean seeds were extracted by ultrasonic assisting and then separated on BDS Hypersil C18 column and methanol-0.4% phosphoric acid solution (30∶70,by volum).The elute was detected by a UV detector at 254 nm. Results showed the 180 mwm-2?UV-B treatment significantly affects soybean isoflavones,Daidzin,Glycitin,Genistin and Daidzeint decreased by 4.5%,8.6%,1.1% and 11.4%,respectively.The increase of UV-B treatment and the decrease of isoflavones content had good linearity.
参考文献/References:
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备注/Memo
作者简介:李先佳,男(1977-),讲师,硕士,研究方向为生物活性成分的分离与鉴定。E-mail:nzr110@163.com。