Exploring the Chemistry of Ocimum Species under Specific Extractions and Chromatographic Methods: A Systematic Review

Ocimum is considered the largest genus in the Lamiacea family. The genus includes basil, a group of aromatic plants with a wide range of culinary uses that nowadays draws attention for its medicinal and pharmaceutical potential. This systematic review intends to explore the chemical composition of n...

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Bibliographic Details
Published in:ACS omega 2023-03, Vol.8 (12), p.10747-10756
Main Authors: Beltrán-Noboa, Andrea, Jordan-Álvarez, Alejandro, Guevara-Terán, Mabel, Gallo, Blanca, Berrueta, Luis A., Giampieri, Francesca, Battino, Maurizio, Álvarez-Suarez, José M., Tejera, Eduardo
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Language:English
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Review
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Summary:Ocimum is considered the largest genus in the Lamiacea family. The genus includes basil, a group of aromatic plants with a wide range of culinary uses that nowadays draws attention for its medicinal and pharmaceutical potential. This systematic review intends to explore the chemical composition of nonessential oils and their variation across different Ocimum species. Moreover, we aimed to identify the state of knowledge regarding the molecular space in this genus as well as the different methods of extraction/identification and geographical location. Seventy-nine eligible articles were selected for the final analysis, from which we extracted more than 300 molecules. We found that the countries with the highest number of studies into Ocimum species are India, Nigeria, Brazil, and Egypt. However, from all known species of Ocimum, only 12 were found to have an extensive chemical characterization, particularly Ocimum basilicum and Ocimum tenuiflorum. Our study focused especially on alcoholic, hydroalcoholic, and water extracts, in which the main techniques for compound identifications are GC-MS, LC-MS, and LC-UV. Across the compiled molecules, we found a wide variety of compounds, especially flavonoids, phenolic acids, and terpenoids, suggesting that this genus could be a very useful source of possible bioactive compounds. The information collected in this review also emphasizes the huge gap between the vast number of Ocimum species discovered and the number of studies in each of them that determined the chemical characterization.
ISSN:2470-1343
2470-1343
DOI:10.1021/acsomega.3c00043