CHEN Guo-feng,YOU Hong-mei,WANG Gui-jiang,et al.Simultaneous Determination of Four Cannabinoids in Industrial Hemp by High Performance Liquid Chromatography[J].HEILONGJIANG AGRICULTURAL SCIENCES,2021,(11):60-64.[doi:10.11942/j.issn1002-2767.2021.11.0060]
高效液相色谱法同时测定工业大麻中四种大麻素的方法研究
- Title:
- Simultaneous Determination of Four Cannabinoids in Industrial Hemp by High Performance Liquid Chromatography
- Keywords:
- cannabinoids; high performance liquid chromatography; industrial hemp; cannabidiol(CBD); tetrahydrocannabinol(THC)
- 文献标志码:
- A
- 摘要:
- 为了应对黑龙江省工业大麻的快速发展所带来的工业大麻花、叶、茎秆、种子等的大量检测需求,本文建立了工业大麻花、叶、茎秆和种子中大麻二酚酸(CBDA)、大麻二酚(CBD)、四氢大麻酚酸(THCAA)和四氢大麻酚(THC)同时测定的高效液相色谱法。工业大麻花、叶、茎秆和种子中的4种大麻素经20 mL的90∶10(V∶V)甲醇正己烷溶液分两次振荡提取后离心,收集全部上清液混合后,过滤。提取液采用C18色谱柱分离,可变波长紫外检测器检测,基质加标法定量。结果表明:大麻二酚、大麻二酚酸、四氢大麻酚和四氢大麻酚酸4种大麻素在0.5~25.0 mg·L-1之间线性关系良好,相关系数R2均大于0.999 4,4种大麻素的提取回收率为89.6%~99.7%,相对标准偏差为1.5%~4.8%,检出限为0.1 mg·kg-1。该方法具有快速、操作简单、灵敏度高等优点,可满足工业大麻中大麻二酚、大麻二酚酸、四氢大麻酚和四氢大麻酚酸的检测要求。
- Abstract:
- In order to meet the large detection needs of industrial hemp flowers,leaves,stems and seeds brought by the rapid development of industrial hemp in Heilongjiang Province,the method of simultaneous determination of the cannabidiol acid(CBDA),cannabidiol(CBD),tetrahydrocannabinolic acid(THCAA)and tetrahydrocannabinol(THC)by high performance liquid chromatography were established.The four cannabinoids in industrial hemp flowers and leafs,stems,seeds were extracted with 20 mL methanolhexane solution of 90∶10 (V∶V) twice by shaking,then centrifuged,and all the supernatants were collected and mixed.The extract solution was separated by a C18 chromatographic column,detected by a variable wavelength ultraviolet detector (UVD),and quantified by matrix addition.The results showed that the four cannabidiols had a good linear relationship between 0.5-25.0 mg·L-1,and the correlation coefficient R2 was greater than 0.999 4.The recovery of cannabinoids were between 89.6% and 99.7%,the relative standard deviation(RSD)was ranged from 1.5% to 4.8%,and the LOQ was 0.1 mg·kg1.The method has the advantages of rapidness,simple operation,high sensitivity,etc.,and can meet the detection requirements of CBDA,CBD,THC and THCA in industrial hemp.
参考文献/References:
[1]张景,孙武兴,王曙宾,等.工业大麻提取物中四氢大麻酚定量检测方法研究[J].绿色科技,2020(12): 216-218,220.
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备注/Memo
收稿日期:2021-09-09