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园艺学报 ›› 2007, Vol. 34 ›› Issue (4): 923-928.

• 蔬菜 • 上一篇    下一篇

橙色大白菜球叶总黄酮提取与测定方法的研究

李 娟1 ; 张鲁刚1, 2*; 张 昱1
  

  1. (1 西北农林科技大学园艺学院, 陕西杨凌712100; 2 农业部西北园艺植物种质资源与遗传改良重点开放实验室, 陕西杨凌712100)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-08-25 发布日期:2007-08-25

A Study on Extraction and Determina tion of Total Flavonoids in OrangeColour Chinese Cabbages

LI Juan1 ;ZHANG Lu-gang1, 2*; ZHANG Yu1
  

  1. (1 College of Horticulture, Northwest A & F University, Yangling, Shaanxi 712100, China; 2 Key Laboratory of Horticulture PlantGermplasm and Genetic Improvement, Ministry of Agriculture, Yangling, Shaanxi 712100, China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-08-25 Published:2007-08-25

摘要: 以橙色叶球大白菜为试材对总黄酮提取及含量测定方法进行了研究。通过单因素试验和
L12 (43 )正交试验筛选出最佳提取方法是超声波法, 其提取工艺是以80%乙醇为溶剂, 在料液比( g/mL)
为1∶20, 温度60℃条件下, 用频率为60 Hz的超声波连续提取2次, 每次提取1 h。以芦丁为标样, 利用分
光光度法和RP-HPLC法进行黄酮测定, 比较表明, 分光光度法和RP-HPLC法测定的结果趋势一致, RP-
HPLC法优于分光光度法。建立了大白菜黄酮的RP-HPLC测定法, 流动相为甲醇∶水∶乙酸= 6∶93.4∶0.6,
流速0.5 mL /min, 柱温25℃, 检测波长280 nm。


关键词: 大白菜, 黄酮, 超声波, 分光光度法, RP-HPLC

Abstract: The methods of extraction and determination of the total flavonoids in the leaf-head of heading Chinese cabbages [ Brassica campestris ssp. pekinensis (Lour. ) Olsson ] were studied. The optimal
conditions for the ultrasonic extracting process were screened by single factor analysis and orthogonal analysis, which using 80% ethanol as impregnant, at the ratio 1 ∶20 of solid to liquid ( g/mL ) , the total flavonoids were extracted by 60 Hz ultrasonic at temperature 60℃ for 1 h, 2 times. Using rutin as standard
compound, the total flavonoids of orange colour Chinese cabbages were determined by UV spectrophotometry
and RP-HPLC, respectively. The result shows that RP-HPLC is better than spectrophotometrywith the same
trend. The condition of RP-HPLC is that a ODS column was used with methanol-water-acetic acid (6∶93.4
∶0.6) as the mobile phase, at a flow rate of 0.5 mL /min, 25℃ of the column temperature and 280 nm of
the UV detectection wavelength.

Key words: Chinese cabbage, Flavonoid, Ultrasonic, UV spectrophotometry, RP-HPLC