2007
DOI: 10.1051/ata:2007023
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La simplification du contrôle des cultures de chanvre industriel est possible

Abstract: RESUMEacres. They aim at measuring the A-9-THC content, which is the psychotropic substance specific to hemp. The present standard value (A-9-THC < 0.2%) has been adopted and sample analysis protocols have been modified. The new method came into force in 2000 and substitutive for the pre¬ viously restrictive and tedious method which entailed the taking of numerous samples over a very short time period (at the end of the blossoming). However, the implementation of this new method has resulted in an increase of … Show more

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Cited by 7 publications
(5 citation statements)
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“…Drug-type varieties (chemotype I) are clearly clustered out ( cluster 4 ). Samples of chemotype III were developed by HEMP-it (French hemp seed producer) in a dedicated work based on GC and TLC analyses to obtain non-monoclonal varieties with THC content below 0.2 % [33]. While selection criterion produced a homogeneous chemotype III, minor metabolites may nevertheless be used to distinguish sub-varieties, as we show below.…”
Section: Resultsmentioning
confidence: 99%
“…Drug-type varieties (chemotype I) are clearly clustered out ( cluster 4 ). Samples of chemotype III were developed by HEMP-it (French hemp seed producer) in a dedicated work based on GC and TLC analyses to obtain non-monoclonal varieties with THC content below 0.2 % [33]. While selection criterion produced a homogeneous chemotype III, minor metabolites may nevertheless be used to distinguish sub-varieties, as we show below.…”
Section: Resultsmentioning
confidence: 99%
“…Samples of chemotype III were developed by HEMP-it (French hemp seed producer) in a dedicated work based on GC and TLC analyses to obtain non-monoclonal varieties with THC content below 0.2 % [33]. While selection criterion produced a homogeneous chemotype III, minor metabolites may nevertheless be used to distinguish sub-varieties, as we show below.…”
Section: Cannabinomics Reveals Major Discriminant Compounds Between Cannabis Varietiesmentioning
confidence: 99%
“…Besides its current move towards medicinal Cannabis through an experimental status for 2 years (2021-2023), France has been for decades a leading producer of hemp in Europe. The commercial hemp seed producer (HEMP-it, formerly known as Fédération Nationale des Producteurs de Chanvre) holds a large number of Cannabis fiber-type varieties [29][30][31][32][33].…”
mentioning
confidence: 99%
“…[7,8] consistant en la détermination du rapport α Δ-9-THC/CBD à partir d'un échantillonnage de 200 feuilles exclusivement. Ce rapport ne doit pas excéder 0,2.…”
Section: Introductionunclassified