期刊
JOURNAL OF CHROMATOGRAPHY A
卷 872, 期 1-2, 页码 101-110出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0021-9673(99)01287-X
关键词
hemp; food analysis; tea; tetrahydrocannabinol; tetrahydrocannabinol acid
A solvent programmed reversed-phase HPLC method with UV detection for the determination of Delta(9)-tetrahydrocannabinol (THC) and Delta(9)-tetrahydrocannabinolic acid A (THCA-A) in foods containing parts of hemp such as edible oil, herb-teas (infusion), herbal hemp or hempseed is presented. The THC peak is also detected by fluorescence. The detection limits with UV detection are 0.01 ng for THC and 0.05 ng for THCA-A and with fluorescence detection 0.1 ng for THC. The relative standard deviation under repeatability conditions of the chromatographic procedure is about 0.5% and that of the over-all analytical procedure for THC in vegetable oils 2% (concentration range of 10-100 mg/kg). (C) 2000 Elsevier Science BN. All rights reserved.
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