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Chen X, Deng H, Heise JA, Puthoff DP, Bou-Abboud N, Yu H, Peng J. Contents of Cannabinoids in Hemp Varieties Grown in Maryland. ACS OMEGA 2021; 6:32186-32197. [PMID: 34870039 PMCID: PMC8637966 DOI: 10.1021/acsomega.1c04992] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 11/01/2021] [Indexed: 05/11/2023]
Abstract
Coincident with the cannabis legalization and the increased interest in the medicinal use of the plant, the cannabis marketplace and farming have seen tremendous growth. It is reported that there are more than 2000 cannabis varieties available to customers. However, the data that is available to the growers and breeders regarding the cannabinoid contents of various varieties remains low. Here, a high-performance liquid chromatography (HPLC) method was developed and validated for the simultaneous separation and determination of 11 cannabinoids. A total of 104 hemp bud materials belonging to 20 varieties were collected from farms in the state of Maryland and analyzed with the HPLC method. The contents of the 11 cannabinoids in various varieties were compared and discussed, highlighting the varieties that showed a high yield of cannabinoids and good consistency that are more appropriate for cannabinoid production.
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Affiliation(s)
- Xiaoyan Chen
- Department
of Chemistry, Morgan State University, Baltimore, Maryland 21251, United States
| | - Hua Deng
- Department
of Chemistry, Morgan State University, Baltimore, Maryland 21251, United States
| | - Janai A. Heise
- Department
of Biology, Frostburg State University, Frostburg, Maryland 21532, United States
| | - David P. Puthoff
- Department
of Biology, Frostburg State University, Frostburg, Maryland 21532, United States
| | - Nabeel Bou-Abboud
- Department
of Chemistry, Morgan State University, Baltimore, Maryland 21251, United States
- Department
of biology, Morgan State University, Baltimore, Maryland 21251, United States
| | - Hongtao Yu
- Department
of Chemistry, Morgan State University, Baltimore, Maryland 21251, United States
| | - Jiangnan Peng
- Department
of Chemistry, Morgan State University, Baltimore, Maryland 21251, United States
- Department
of biology, Morgan State University, Baltimore, Maryland 21251, United States
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Madden O, Walshe J, Kishore Patnala P, Barron J, Meaney C, Murray P. Phytocannabinoids - An Overview of the Analytical Methodologies for Detection and Quantification of Therapeutically and Recreationally Relevant Cannabis Compounds. Crit Rev Anal Chem 2021; 53:211-231. [PMID: 34328047 DOI: 10.1080/10408347.2021.1949694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The legalization of the cultivation of low Δ9-tetrahydrocannabinol (Δ9-THC) and high cannabidiol (CBD) Cannabis Sativa plants is gaining momentum around the world due to increasing demand for CBD-containing products. In many countries where CBD oils, extracts and CBD-infused foods and beverages are being sold in health shops and supermarkets, appropriate testing of these products is a legal requirement. Normally this involves determining the total Δ9-THC and CBD and their precursor tetrahydrocannabinolic acids (THCA) and cannabidiolic acid (CBDA). As our knowledge of the other relevant cannabinoids expands, it is likely so too will the demand for them as additives in many consumer products ensuring a necessity for quantification methods and protocols for their identification. This paper discusses therapeutically relevant cannabinoids found in Cannabis plant, the applicability and efficiency of existing extraction and analytical techniques as well as the legal requirements for these analyses.
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Affiliation(s)
- Olena Madden
- Research and Technology Transfer, Shannon ABC, Limerick Institute of Technology, Limerick, Ireland
| | - Jessica Walshe
- Research and Technology Transfer, Shannon ABC, Limerick Institute of Technology, Limerick, Ireland.,Department of Applied Science, Limerick Institute of Technology, Limerick, Ireland
| | - Prem Kishore Patnala
- Research and Technology Transfer, Shannon ABC, Limerick Institute of Technology, Limerick, Ireland
| | | | - Claire Meaney
- Research and Technology Transfer, Shannon ABC, Limerick Institute of Technology, Limerick, Ireland
| | - Patrick Murray
- Research and Technology Transfer, Shannon ABC, Limerick Institute of Technology, Limerick, Ireland
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New Methods for the Comprehensive Analysis of Bioactive Compounds in Cannabis sativa L. (hemp). Molecules 2018; 23:molecules23102639. [PMID: 30322208 PMCID: PMC6222702 DOI: 10.3390/molecules23102639] [Citation(s) in RCA: 105] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 10/11/2018] [Accepted: 10/12/2018] [Indexed: 11/23/2022] Open
Abstract
Cannabis sativa L. is a dioecious plant belonging to the Cannabaceae family. The main phytochemicals that are found in this plant are represented by cannabinoids, flavones, and terpenes. Some biological activities of cannabinoids are known to be enhanced by the presence of terpenes and flavonoids in the extracts, due to a synergistic action. In the light of all the above, the present study was aimed at the multi-component analysis of the bioactive compounds present in fibre-type C. sativa (hemp) inflorescences of different varieties by means of innovative HPLC and GC methods. In particular, the profiling of non-psychoactive cannabinoids was carried out by means of HPLC-UV/DAD, ESI-MS, and MS2. The content of prenylated flavones in hemp extracts, including cannflavins A and B, was also evaluated by HPLC. The study on Cannabis volatile compounds was performed by developing a new method based on headspace solid-phase microextraction (HS-SPME) coupled with GC-MS and GC-FID. Cannabidiolic acid (CBDA) and cannabidiol (CBD) were found to be the most abundant cannabinoids in the hemp samples analysed, while β-myrcene and β-caryophyllene were the major terpenes. As regards flavonoids, cannflavin A was observed to be the main compound in almost all the samples. The methods developed in this work are suitable for the comprehensive chemical analysis of both hemp plant material and related pharmaceutical or nutraceutical products in order to ensure their quality, efficacy, and safety.
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Zhang H, Li M, Li J, Wang G, Liu Y. Purification and properties of a novel quizalofop-p-ethyl-hydrolyzing esterase involved in quizalofop-p-ethyl degradation by Pseudomonas sp. J-2. Microb Cell Fact 2017; 16:80. [PMID: 28490371 PMCID: PMC5424357 DOI: 10.1186/s12934-017-0695-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 05/04/2017] [Indexed: 11/22/2022] Open
Abstract
Quizalofop-p-ethyl (QPE) is a post-emergence herbicide that effectively controls grass weeds and is often detected in the environment. However, the biochemical and molecular mechanisms of QPE degradation in the environment remains unclear. In this study, a highly effective QPE-degrading bacterial strain J-2 was isolated from acclimated activated sludge and identified as a Pseudomonas sp., containing the QPE breakdown metabolite quizalofop acid (QA) identified by Liquid Chromatography-Ion Trap-Mass Spectrometry (LC-IT-MSn) analysis. A novel QPE hydrolase esterase-encoding gene qpeH was cloned from strain J-2 and functionally expressed in Escherichia coli BL21 (DE3). The specific activity of recombinant QpeH was 198.9 ± 2.7 U mg−1 for QPE with Km and Kcat values of 41.3 ± 3.6 μM and 127.3 ± 4.5 s−1. The optimal pH and temperature for the recombinant QpeH were 8.0 and 30 °C, respectively and the enzyme was activated by Ca2+, Cd2+, Li+, Fe3+ and Co2+ and inhibited by Ni2+, Fe2+, Ag+, DEPC, SDS, Tween 80, Triton X, β-mercaptoethanol, PMSF, and pCMB. In addition, the catalytic efficiency of QpeH toward different AOPP herbicides in descending order was as follows: fenoxaprop-P-ethyl > quizalofop-P-tefuryl > QPE > haloxyfop-P-methyl > cyhalofopbutyl > clodinafop-propargyl. On the basis of the phylogenetic analysis and multiple sequence alignment, the identified enzyme QpeH, was clustered with esterase family V, suggesting a new member of this family because of its low similarity of amino acid sequence with esterases reported previously.
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Affiliation(s)
- Hui Zhang
- College of Life Sciences, Huaibei Normal University, Huaibei, 235000, China
| | - Mengya Li
- College of Life Sciences, Huaibei Normal University, Huaibei, 235000, China
| | - Jie Li
- College of Life Sciences, Huaibei Normal University, Huaibei, 235000, China
| | - Guangli Wang
- College of Life Sciences, Huaibei Normal University, Huaibei, 235000, China.
| | - Yuan Liu
- College of Life Sciences, Huaibei Normal University, Huaibei, 235000, China.
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Mudge EM, Murch SJ, Brown PN. Leaner and greener analysis of cannabinoids. Anal Bioanal Chem 2017; 409:3153-3163. [PMID: 28233028 PMCID: PMC5395585 DOI: 10.1007/s00216-017-0256-3] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 01/23/2017] [Accepted: 02/10/2017] [Indexed: 11/24/2022]
Abstract
There is an explosion in the number of labs analyzing cannabinoids in marijuana (Cannabis sativa L., Cannabaceae) but existing methods are inefficient, require expert analysts, and use large volumes of potentially environmentally damaging solvents. The objective of this work was to develop and validate an accurate method for analyzing cannabinoids in cannabis raw materials and finished products that is more efficient and uses fewer toxic solvents. An HPLC-DAD method was developed for eight cannabinoids in cannabis flowers and oils using a statistically guided optimization plan based on the principles of green chemistry. A single-laboratory validation determined the linearity, selectivity, accuracy, repeatability, intermediate precision, limit of detection, and limit of quantitation of the method. Amounts of individual cannabinoids above the limit of quantitation in the flowers ranged from 0.02 to 14.9% w/w, with repeatability ranging from 0.78 to 10.08% relative standard deviation. The intermediate precision determined using HorRat ratios ranged from 0.3 to 2.0. The LOQs for individual cannabinoids in flowers ranged from 0.02 to 0.17% w/w. This is a significant improvement over previous methods and is suitable for a wide range of applications including regulatory compliance, clinical studies, direct patient medical services, and commercial suppliers.
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Affiliation(s)
- Elizabeth M Mudge
- Natural Health & Food Products Research, British Columbia Institute of Technology, 3700 Willingdon Ave, Burnaby, British Columbia, V5G 3H2, Canada.,Department of Chemistry, University of British Columbia, 3247 University Way, Kelowna, British Columbia, V1V 1V7, Canada
| | - Susan J Murch
- Department of Chemistry, University of British Columbia, 3247 University Way, Kelowna, British Columbia, V1V 1V7, Canada
| | - Paula N Brown
- Natural Health & Food Products Research, British Columbia Institute of Technology, 3700 Willingdon Ave, Burnaby, British Columbia, V5G 3H2, Canada.
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Aizpurua-Olaizola O, Omar J, Navarro P, Olivares M, Etxebarria N, Usobiaga A. Identification and quantification of cannabinoids in Cannabis sativa L. plants by high performance liquid chromatography-mass spectrometry. Anal Bioanal Chem 2014; 406:7549-60. [PMID: 25338935 DOI: 10.1007/s00216-014-8177-x] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Revised: 09/04/2014] [Accepted: 09/09/2014] [Indexed: 01/22/2023]
Abstract
High performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS) has been successfully applied to cannabis plant extracts in order to identify cannabinoid compounds after their quantitative isolation by means of supercritical fluid extraction (SFE). MS conditions were optimized by means of a central composite design (CCD) approach, and the analysis method was fully validated. Six major cannabinoids [tetrahydrocannabinolic acid (THCA), tetrahydrocannabinol (THC), cannabidiol (CBD), tetrahydrocannabivarin (THCV), cannabigerol (CBG), and cannabinol (CBN)] were quantified (RSD < 10%), and seven more cannabinoids were identified and verified by means of a liquid chromatograph coupled to a quadrupole-time-of-flight (Q-ToF) detector. Finally, based on the distribution of the analyzed cannabinoids in 30 Cannabis sativa L. plant varieties and the principal component analysis (PCA) of the resulting data, a clear difference was observed between outdoor and indoor grown plants, which was attributed to a higher concentration of THC, CBN, and CBD in outdoor grown plants.
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Affiliation(s)
- Oier Aizpurua-Olaizola
- Analytical Chemistry Department, University of the Basque Country (UPV/EHU), Barrio Sarriena s/n, 48940, Leioa, Basque Country, Spain,
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Current literature in mass spectrometry. JOURNAL OF MASS SPECTROMETRY : JMS 2005; 40:973-84. [PMID: 16034836 DOI: 10.1002/jms.808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
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