Development of Cannabinoids in Flowers of Industrial Hemp (Cannabis sativa L.): A Pilot Study

文献类型： 外文期刊

第一作者： Yang, Rui

作者： Yang, Rui;Benevenute, Sarah da Silva;Freeman, Joshua H.;Yang, Rui;Berthold, Erin C.;McCurdy, Christopher R.;McCurdy, Christopher R.;Brym, Zachary T.

作者机构：

关键词： cannabis sativa; THC; CBD; CBG; CBD/THC ratio

期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：5.279； 五年影响因子：5.269 ）

ISSN： 0021-8561

年卷期： 2020 年 68 卷 22 期

页码：

收录情况： SCI

摘要： A field study was performed to investigate the development of cannabinoids in flowers of industrial hemp using three day-length-sensitive and two day-length-neutral varieties. Flower samples were analyzed for cannabinoids on a weekly basis from 2 to 4 weeks postanthesis to plant senescence. Results indicate that total THC, CBD, and CBG significantly increased as flowers matured, reaching the greatest concentration during 6 to 7 weeks postanthesis. After a plateau stage of varied length for different varieties, the peak concentrations declined as plants senesced. Total THC was above the 0.3% threshold from 4 weeks postanthesis to the end of the growing season for day-length-sensitive varieties, but this only occurred during 6 to 7 weeks postanthesis for day-length-neutral varieties. The CBD/THC ratio in flowers dynamically changed during the entire reproductive stage for all of the evaluated varieties. The current study provides vital information for successful cultivation of industrial hemp.

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