Difference between revisions of "Journal:Analysis of phenolic compounds in commercial Cannabis sativa L. inflorescences using UHPLC-Q-Orbitrap HRMS"

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|title_full  = Analysis of phenolic compounds in commercial ''Cannabis sativa'' L. inflorescences using UHPLC-Q-Orbitrap HRMS
|title_full  = Analysis of phenolic compounds in commercial ''Cannabis sativa'' L. inflorescences using UHPLC-Q-Orbitrap HRMS
|journal      = ''Molecules''
|journal      = ''Molecules''
|authors      = Izzo, Luana; Castaldo, Luigi; Narváez, Alfonso; Graziani, Giulia;<br />Gaspari, Anna; Rodríguez-Carrasco, Yelko; Ritieni, Alberto
|authors      = Izzo, Luana; Castaldo, Luigi; Narváez, Alfonso; Graziani, Giulia; Gaspari, Anna; Rodríguez-Carrasco, Yelko; Ritieni, Alberto
|affiliations = University of Naples "Federico II," University of Valencia
|affiliations = University of Naples "Federico II," University of Valencia
|contact      = Email: luana dot izzo at unina dot it
|contact      = Email: luana dot izzo at unina dot it
Line 28: Line 28:


==Abstract==
==Abstract==
Industrial [[Wikipedia:Hemp|hemp]] (''[[Wikipedia:Cannabis sativa|Cannabis sativa]]'' L., family [[Wikipedia:Cannabaceae|Cannabaceae]]) contains a vast number of relevant bioactive organic compounds, namely [[Wikipedia:Polyphenol|polyphenols]], including [[Wikipedia:Flavonoid|flavonoids]], phenolic acids, phenol amides, and lignanamides, which are well known for their therapeutic properties. Nowadays, many polyphenol-containing products made from herbal extracts are marketed, claiming to have health-promoting effects. In this context, industrial hemp [[Wikipedia:Inflorescence|inflorescences]] may represent an innovative source of bioactive compounds to be used in nutraceutical formulations. The aim of this work was to provide a comprehensive analysis of the polyphenolic fraction contained in polar extracts of four different commercial cultivars—Kompolti, Tiborszallasi, Antal, and Selected Carmagnola (CS)—of hemp inflorescence through [[Wikipedia:Spectrophotometry|spectrophotometric]] (for total polyphenol content [TPC] and [[Wikipedia:DPPH|DPPH]] assays) and [[Wikipedia:Spectrometry|spectrometry]] measurement (using [[High-performance liquid chromatography|ultra high-performance liquid chromatography]]–[[quadrupole]]–[[orbitrap]] [[Mass spectrometry|high-resolution mass spectrometry]] or UHPLC-Q-Orbitrap HRMS). Results highlighted a high content of [[Wikipedia:Cannflavin|cannflavin]] A and B in inflorescence samples, which appear to be cannabis-specific, with a mean value of 61.8 and 84.5 mg/kg, meaning a ten-to-hundred times increase compared to other parts of the plant. Among flavonols, quercetin-3-glucoside reached up to 285.9 mg/kg in the CS cultivar. Catechin and epicatechin were the most representative flavanols, with a mean concentration of 53.3 and 66.2 mg/kg, respectively, for all cultivars. TPC in inflorescence samples was quantified in the range of 10.51 to 52.58 mg GAE/g, and free radical-scavenging included in the range from 27.5 to 77.6 mmol trolox/kg. Therefore, ''C. sativa'' inflorescence could be considered as a potential novel source of polyphenols intended for nutraceutical formulations.
Industrial [[Wikipedia:Hemp|hemp]] (''[[Wikipedia:Cannabis sativa|Cannabis sativa]]'' L., family [[Wikipedia:Cannabaceae|Cannabaceae]]) contains a vast number of relevant bioactive organic compounds, namely [[Wikipedia:Polyphenol|polyphenols]], including [[Wikipedia:Flavonoid|flavonoids]], phenolic acids, phenol amides, and lignanamides, which are well known for their therapeutic properties. Nowadays, many polyphenol-containing products made from herbal extracts are marketed, claiming to have health-promoting effects. In this context, industrial hemp [[Wikipedia:Inflorescence|inflorescences]] may represent an innovative source of bioactive compounds to be used in nutraceutical formulations.  
 
The aim of this work was to provide a comprehensive analysis of the polyphenolic fraction contained in polar extracts of four different commercial cultivars—Kompolti, Tiborszallasi, Antal, and Selected Carmagnola (CS)—of hemp inflorescence through [[Wikipedia:Spectrophotometry|spectrophotometric]] (total polyphenol content [TPC] and [[Wikipedia:DPPH|DPPH]] assays) and [[Wikipedia:Spectrometry|spectrometry]] measurement (using [[High-performance liquid chromatography|ultra high-performance liquid chromatography]]–[[quadrupole]]–[[orbitrap]] [[Mass spectrometry|high-resolution mass spectrometry]] or UHPLC-Q-Orbitrap HRMS).  
 
Results highlighted a high content of [[Wikipedia:Cannflavin|cannflavin]] A and B in inflorescence samples, which appear to be cannabis-specific, with a mean value of 61.8 and 84.5 mg/kg, meaning a ten-to-hundred times increase compared to other parts of the plant. Among flavonols, quercetin-3-glucoside reached up to 285.9 mg/kg in the CS cultivar. Catechin and epicatechin were the most representative flavanols, with a mean concentration of 53.3 and 66.2 mg/kg, respectively, for all cultivars. TPC in inflorescence samples was quantified in the range of 10.51 to 52.58 mg GAE/g, and free radical-scavenging included in the range from 27.5 to 77.6 mmol trolox/kg. As such, ''C. sativa'' inflorescence could be considered as a potential novel source of polyphenols intended for nutraceutical formulations.


'''Keywords''': ''Cannabis sativa'' L., polyphenols, UHPLC-Q-Orbitrap HRMS
'''Keywords''': ''Cannabis sativa'' L., polyphenols, UHPLC-Q-Orbitrap HRMS


==Introduction==
''[[Cannabis sativa]]'' is an annual herbaceous plant of the [[Wikipedia:Cannabaceae|Cannabaceae]] family, native to Central Asia but with a wide distribution over different geographical areas, facilitated by climate adaptation. This plant has long been cultivated due to its large variety of applications, from textile uses to food and feed.<ref name="AndreCanna16">{{cite journal |title=''Cannabis sativa'': The Plant of the Thousand and One Molecules |journal=Frontiers in Plant Science |author=Andre, C.M.; Hausman, J.F.; Guerriero, G. |volume=7 |pages=19 |year=2016 |doi=10.3389/fpls.2016.00019 |pmid=26870049 |pmc=PMC4740396}}</ref>
Industrial [[Wikipedia:Hemp|hemp]], characterized by a low content of [[Wikipedia:Psychoactive drug|psychoactive]] [[Wikipedia:Cannabinoid|cannabinoids]], contains bioactive organic compounds that are known to have a wide range of important biological properties.<ref name="CushnieAntimoc05">{{cite journal |title=Antimicrobial activity of flavonoids |journal=International Journal of Antimicrobial Agents |author=Cushnie, T.P.T.; Lamb, A.J. |volume=26 |issue=5 |pages=343–56 |year=2005 |doi=10.1016/j.ijantimicag.2005.09.002 |pmid=16323269 |pmc=PMC7127073}}</ref> [[Wikipedia:Polyphenol|Polyphenols]] represent one of the most relevant compounds found in ''C. sativa'', including the likes of prenylated [[Wikipedia:Flavonoid|flavonoids]], phenol amides, and lignanamides, which are specific metabolites of this plant. They are known to play multifunctional roles in the defense mechanisms of the plant, especially through their activity as antioxidants, preventing the generation of [[Wikipedia:Reactive oxygen species|reactive oxygen species]] (ROS).<ref name="MkpenieEffect12">{{cite journal |title=Effect of extraction conditions on total polyphenol contents, antioxidant and antimicrobial activities of ''Cannabis sativa'' L. |journal=Electronic Journal of Environmental, Agricultural and Food Chemistry |author=Mkpenie, V.N.; Essien, E.E.; Udoh, I.I. |volume=11 |issue=4 |pages=300–307 |year=2012 |url=https://www.researchgate.net/publication/260824507_Effect_of_extraction_conditions_on_total_polyphenol_contents_antioxidant_and_antimicrobial_activities_of_Cannabis_sativa_L}}</ref><ref name="SianoCompar18">{{cite journal |title=Comparative Study of Chemical, Biochemical Characteristic and ATR-FTIR Analysis of Seeds, Oil and Flour of the Edible Fedora Cultivar Hemp (''Cannabis sativa'' L.) |journal=Molecules |author=Siano, F.; Moccia, S.; Picariello, G. et al. |volume=24 |issue=1 |at=83 |year=2019 |doi=10.3390/molecules24010083}}</ref><ref name="PollastroCanna18">{{cite journal |title=Cannabis Phenolics and their Bioactivities |journal=Current Medicinal Chemistry |author=Pollastro, F.; Minassi, A.; Fresu, L.G. |volume=25 |issue=10 |pages=1160–1185 |year=2019 |doi=10.2174/0929867324666170810164636}}</ref><ref name="MandalPhenol10">{{cite journal |title=Phenolic acids act as signaling molecules in plant-microbe symbioses |journal=Plant Signaling & Behavior |author=Mandal, S.M.; Chakraporty, D.; Dey, S. |volume=5 |issue=4 |pages=359–68 |year=2010 |doi=10.4161/psb.5.4.10871}}</ref> In humans, polyphenols can display health-promoting effects based on the modulation of several enzymes, such us lipoxygenase and the superfamily of cytochrome P450, showing cardio- or chemoprotective activity, among others.<ref name="PollastroCanna18" /><ref name="CastaldoRedWine19">{{cite journal |title=Red Wine Consumption and Cardiovascular Health |journal=Molecules |author=Castaldo, L.; Narváez, A.; Izzo, L. et al. |volume=24 |issue=19 |at=3626 |year=2019 |doi=10.3390/molecules24193626 |pmid=31597344 |pmc=PMC6804046}}</ref>


==References==
==References==

Revision as of 18:22, 24 November 2020

Full article title Analysis of phenolic compounds in commercial Cannabis sativa L. inflorescences using UHPLC-Q-Orbitrap HRMS
Journal Molecules
Author(s) Izzo, Luana; Castaldo, Luigi; Narváez, Alfonso; Graziani, Giulia; Gaspari, Anna; Rodríguez-Carrasco, Yelko; Ritieni, Alberto
Author affiliation(s) University of Naples "Federico II," University of Valencia
Primary contact Email: luana dot izzo at unina dot it
Editors Efferth, Thomas
Year published 2020
Volume and issue 25(3)
Article # 631
DOI 10.3390/molecules25030631
ISSN 1420-3049
Distribution license Creative Commons Attribution 4.0 International
Website https://www.mdpi.com/1420-3049/25/3/631/htm
Download https://www.mdpi.com/1420-3049/25/3/631/pdf (PDF)

Abstract

Industrial hemp (Cannabis sativa L., family Cannabaceae) contains a vast number of relevant bioactive organic compounds, namely polyphenols, including flavonoids, phenolic acids, phenol amides, and lignanamides, which are well known for their therapeutic properties. Nowadays, many polyphenol-containing products made from herbal extracts are marketed, claiming to have health-promoting effects. In this context, industrial hemp inflorescences may represent an innovative source of bioactive compounds to be used in nutraceutical formulations.

The aim of this work was to provide a comprehensive analysis of the polyphenolic fraction contained in polar extracts of four different commercial cultivars—Kompolti, Tiborszallasi, Antal, and Selected Carmagnola (CS)—of hemp inflorescence through spectrophotometric (total polyphenol content [TPC] and DPPH assays) and spectrometry measurement (using ultra high-performance liquid chromatographyquadrupoleorbitrap high-resolution mass spectrometry or UHPLC-Q-Orbitrap HRMS).

Results highlighted a high content of cannflavin A and B in inflorescence samples, which appear to be cannabis-specific, with a mean value of 61.8 and 84.5 mg/kg, meaning a ten-to-hundred times increase compared to other parts of the plant. Among flavonols, quercetin-3-glucoside reached up to 285.9 mg/kg in the CS cultivar. Catechin and epicatechin were the most representative flavanols, with a mean concentration of 53.3 and 66.2 mg/kg, respectively, for all cultivars. TPC in inflorescence samples was quantified in the range of 10.51 to 52.58 mg GAE/g, and free radical-scavenging included in the range from 27.5 to 77.6 mmol trolox/kg. As such, C. sativa inflorescence could be considered as a potential novel source of polyphenols intended for nutraceutical formulations.

Keywords: Cannabis sativa L., polyphenols, UHPLC-Q-Orbitrap HRMS

Introduction

Cannabis sativa is an annual herbaceous plant of the Cannabaceae family, native to Central Asia but with a wide distribution over different geographical areas, facilitated by climate adaptation. This plant has long been cultivated due to its large variety of applications, from textile uses to food and feed.[1]

Industrial hemp, characterized by a low content of psychoactive cannabinoids, contains bioactive organic compounds that are known to have a wide range of important biological properties.[2] Polyphenols represent one of the most relevant compounds found in C. sativa, including the likes of prenylated flavonoids, phenol amides, and lignanamides, which are specific metabolites of this plant. They are known to play multifunctional roles in the defense mechanisms of the plant, especially through their activity as antioxidants, preventing the generation of reactive oxygen species (ROS).[3][4][5][6] In humans, polyphenols can display health-promoting effects based on the modulation of several enzymes, such us lipoxygenase and the superfamily of cytochrome P450, showing cardio- or chemoprotective activity, among others.[5][7]

References

  1. Andre, C.M.; Hausman, J.F.; Guerriero, G. (2016). "Cannabis sativa: The Plant of the Thousand and One Molecules". Frontiers in Plant Science 7: 19. doi:10.3389/fpls.2016.00019. PMC PMC4740396. PMID 26870049. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4740396. 
  2. Cushnie, T.P.T.; Lamb, A.J. (2005). "Antimicrobial activity of flavonoids". International Journal of Antimicrobial Agents 26 (5): 343–56. doi:10.1016/j.ijantimicag.2005.09.002. PMC PMC7127073. PMID 16323269. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7127073. 
  3. Mkpenie, V.N.; Essien, E.E.; Udoh, I.I. (2012). "Effect of extraction conditions on total polyphenol contents, antioxidant and antimicrobial activities of Cannabis sativa L.". Electronic Journal of Environmental, Agricultural and Food Chemistry 11 (4): 300–307. https://www.researchgate.net/publication/260824507_Effect_of_extraction_conditions_on_total_polyphenol_contents_antioxidant_and_antimicrobial_activities_of_Cannabis_sativa_L. 
  4. Siano, F.; Moccia, S.; Picariello, G. et al. (2019). "Comparative Study of Chemical, Biochemical Characteristic and ATR-FTIR Analysis of Seeds, Oil and Flour of the Edible Fedora Cultivar Hemp (Cannabis sativa L.)". Molecules 24 (1): 83. doi:10.3390/molecules24010083. 
  5. 5.0 5.1 Pollastro, F.; Minassi, A.; Fresu, L.G. (2019). "Cannabis Phenolics and their Bioactivities". Current Medicinal Chemistry 25 (10): 1160–1185. doi:10.2174/0929867324666170810164636. 
  6. Mandal, S.M.; Chakraporty, D.; Dey, S. (2010). "Phenolic acids act as signaling molecules in plant-microbe symbioses". Plant Signaling & Behavior 5 (4): 359–68. doi:10.4161/psb.5.4.10871. 
  7. Castaldo, L.; Narváez, A.; Izzo, L. et al. (2019). "Red Wine Consumption and Cardiovascular Health". Molecules 24 (19): 3626. doi:10.3390/molecules24193626. PMC PMC6804046. PMID 31597344. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6804046. 

Notes

This presentation is faithful to the original, with only a few minor changes to presentation. Some grammar and punctuation was cleaned up to improve readability. In some cases important information was missing from the references, and that information was added.