Optimization of the supercritical extraction and decarboxylation process of industrial hemp

IF 8.4 2区 工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY Journal of CO2 Utilization Pub Date : 2025-01-01 Epub Date: 2024-12-21 DOI:10.1016/j.jcou.2024.103007
Taja Žitek Makoter , Petra Kotnik , Teo Makoter , Željko Knez , Maša Knez Marevci
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Abstract

Cannabinoids are the main active ingredients of Cannabis sativa L., obtained by a suitable extraction method and decarboxylation, in which the acid forms of the cannabinoids are converted into active forms. Supercritical CO2 extraction method and decarboxylation process were optimized for 7 cannabinoids (CBD, CBDA, THC, THCA, CBGA, CBN and CBC). The optimal extraction conditions for all cannabinoids were determined at a temperature of 60 °C and a pressure of 300 bar to 550 bar. At higher temperatures and reaction times, a significant depletion of neutral cannabinoids was observed. The optimal conditions of the decarboxylation process varied depending on the component. For the CBD component, which could be measured in the highest concentrations (560 mg/g), the optimal conditions were 140 °C and 10 min. The study can be an important model for predicting the behavior of cannabinoids under certain parameters.
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工业大麻超临界提取脱羧工艺的优化
大麻素是大麻的主要活性成分,通过适当的提取方法和脱羧,将大麻素的酸形式转化为活性形式。优化了7种大麻素(CBD、CBDA、THC、THCA、CBGA、CBN和CBC)的超临界CO2萃取方法和脱羧工艺。在温度为60℃,压力为300 bar ~ 550 bar的条件下,确定了所有大麻素的最佳提取条件。在较高的温度和反应时间,中性大麻素的显著耗竭被观察到。脱羧过程的最佳条件随组分的不同而不同。CBD的最佳提取浓度为560 mg/g,提取温度为140℃,提取时间为10 min。该研究可以作为预测大麻素在某些参数下行为的重要模型。
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来源期刊
Journal of CO2 Utilization
Journal of CO2 Utilization CHEMISTRY, MULTIDISCIPLINARY-ENGINEERING, CHEMICAL
CiteScore
13.90
自引率
10.40%
发文量
406
审稿时长
2.8 months
期刊介绍: The Journal of CO2 Utilization offers a single, multi-disciplinary, scholarly platform for the exchange of novel research in the field of CO2 re-use for scientists and engineers in chemicals, fuels and materials. The emphasis is on the dissemination of leading-edge research from basic science to the development of new processes, technologies and applications. The Journal of CO2 Utilization publishes original peer-reviewed research papers, reviews, and short communications, including experimental and theoretical work, and analytical models and simulations.
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