Determination of THC by HPLC/DAD in food supplement samples of hemp seed oil

Shishovska, Maja and Doneva, Dragica and Starkoska, Katerina and Arsova-Sarafinovska, Zorica (2014) Determination of THC by HPLC/DAD in food supplement samples of hemp seed oil. In: XXIII Congress of Chemists and Technologists of Macedonia, 8-11 Oct 2014, Ohrid, Macedonia.

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Programe of XXIII Congress Of Chemists and Technologists of Macedonia 2014_Ohrid.pdf

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Determination of THC by HPLC_DAD in food supplement samples of hemp seed oil.pdf

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Official URL: http://www.pmf.ukim.edu.mk/PMF/Chemistry/sojuz/23c...

Abstract

The EU member states have different regulation in allowed limit of controlled compound delta-9-tetrahydrocannabinol (THC) in hemp seed oil, produced for consumption or as food supplement. The THC traces were analyzed in few samples by recommended HPLC isocratic method. Using different HPLC columns (C8 and C18) it was not succeeded to separate THC from one component present also in the other plant oils (flax seed oil and rape seed oil), used as blank samples. This unidentified compound has not quite characteristic UV spectrum and it is similar with the UV spectrum of THC. Then we developed the gradient mode HPLC method and succeeded to separate THC’s peak (18.6 min) from this compound’s peak (19.4 min) with suitable resolution (Rs is 2.36). The obtained results for found quantity of THC in tested samples of hemp seed oil are in range: 2.66 mg/L – 9.84 mg/L. These results are in correlation with the already published data for this kind of samples.

Item Type: Conference or Workshop Item (Poster)
Subjects: Natural sciences > Biological sciences
Natural sciences > Chemical sciences
Medical and Health Sciences > Health sciences
Medical and Health Sciences > Other medical sciences
Divisions: Faculty of Medical Science
Depositing User: Zorica Arsova Sarafinovska
Date Deposited: 11 Jun 2015 09:51
Last Modified: 11 Jun 2015 09:51
URI: http://eprints.ugd.edu.mk/id/eprint/13273

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