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Variations of tetrahydrocannabinol content in cannabis plants to distinguish the fibre-type from drug-type plants.
Bull Narc. 1985 Oct-Dec; 37(4):61-5.BN

Abstract

There are many different species of cannabis plants, but their psychoactive properties mainly depend on the concentration of tetrahydrocannabinol (THC), which may vary according to genetic factors and environmental influences. On the basis of the THC content all cannabis plants are divided into fibre-type and drug-type plants. The fibre-type plant does not exceed 0.4 per cent of THC while the drug-type plant usually contains up to 5 per cent of THC, though higher percentages (up to 10 per cent) have been reported. A study of the characteristics of cannabis seeds and the influence of environmental conditions on the content of THC in cannabis plants grown in northern, southern and insular Italy has shown that the fibre-type plants contain mean values of THC in a range from 0.058 to 0.299 per cent. The content of THC in the drug-type plants grown in Sicily and Tuscany ranged from 0.82 to 1.31 per cent +/- 0.49 per cent. In 1984, the Commission of the European Communities prepared a regulation to prevent diffusion of the drug-type cannabis, providing that raw material could not be imported if its THC content exceeded 0.5 per cent from 1984 to 1987 and after that period the maximum limit would be set up to 0.3 per cent.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

3011160

Citation

Avico, U, et al. "Variations of Tetrahydrocannabinol Content in Cannabis Plants to Distinguish the Fibre-type From Drug-type Plants." Bulletin On Narcotics, vol. 37, no. 4, 1985, pp. 61-5.
Avico U, Pacifici R, Zuccaro P. Variations of tetrahydrocannabinol content in cannabis plants to distinguish the fibre-type from drug-type plants. Bull Narc. 1985;37(4):61-5.
Avico, U., Pacifici, R., & Zuccaro, P. (1985). Variations of tetrahydrocannabinol content in cannabis plants to distinguish the fibre-type from drug-type plants. Bulletin On Narcotics, 37(4), 61-5.
Avico U, Pacifici R, Zuccaro P. Variations of Tetrahydrocannabinol Content in Cannabis Plants to Distinguish the Fibre-type From Drug-type Plants. Bull Narc. 1985 Oct-Dec;37(4):61-5. PubMed PMID: 3011160.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Variations of tetrahydrocannabinol content in cannabis plants to distinguish the fibre-type from drug-type plants. AU - Avico,U, AU - Pacifici,R, AU - Zuccaro,P, PY - 1985/10/1/pubmed PY - 1985/10/1/medline PY - 1985/10/1/entrez SP - 61 EP - 5 JF - Bulletin on narcotics JO - Bull Narc VL - 37 IS - 4 N2 - There are many different species of cannabis plants, but their psychoactive properties mainly depend on the concentration of tetrahydrocannabinol (THC), which may vary according to genetic factors and environmental influences. On the basis of the THC content all cannabis plants are divided into fibre-type and drug-type plants. The fibre-type plant does not exceed 0.4 per cent of THC while the drug-type plant usually contains up to 5 per cent of THC, though higher percentages (up to 10 per cent) have been reported. A study of the characteristics of cannabis seeds and the influence of environmental conditions on the content of THC in cannabis plants grown in northern, southern and insular Italy has shown that the fibre-type plants contain mean values of THC in a range from 0.058 to 0.299 per cent. The content of THC in the drug-type plants grown in Sicily and Tuscany ranged from 0.82 to 1.31 per cent +/- 0.49 per cent. In 1984, the Commission of the European Communities prepared a regulation to prevent diffusion of the drug-type cannabis, providing that raw material could not be imported if its THC content exceeded 0.5 per cent from 1984 to 1987 and after that period the maximum limit would be set up to 0.3 per cent. SN - 0007-523X UR - https://www.unboundmedicine.com/medline/citation/3011160/Variations_of_tetrahydrocannabinol_content_in_cannabis_plants_to_distinguish_the_fibre_type_from_drug_type_plants_ DB - PRIME DP - Unbound Medicine ER -
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