Chemical composition, antioxidant and antimicrobial activities of essential oil extracted from Myrceugenia euosma (O. Berg) D. Legrand (Myrtaceae)

Cavalheiro, Lilian Monique Spegiorin; Riba, Igor Tchone; Montanher, Paula Fernandes; Antonelo, Fábio Antônio

doi:10.1016/j.sajb.2023.05.027

Cited by 3 publications

(1 citation statement)

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“…Plant species are capable of producing compounds such as terpenes, carotenoids, phenols, flavonoids, and anthocyanins, with antioxidant properties capable of neutralizing free radicals, which have a negative impact on the biological cells of living organisms [ 6 ]. Some species of the Myrtaceae family reported in the literature have exhibited strong antioxidant properties, which can be utilized in the pharmaceutical and cosmetic industries due to their antioxidant potential [ 3 , 7 , 8 ].…”

Section: Introductionmentioning

confidence: 99%

Exploring the Potential of Myrcia Genus Essential Oils: A Review of Biological Activities and Recent Advances

dos Santos,

Bezerra,

da Silva

et al. 2024

Molecules

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The present study provides a comprehensive analysis of the chemical composition of essential oils from species of the Myrcia genus and their applications. The compiled results highlight the chemical diversity and biological activities of these oils, emphasizing their potential importance for various therapeutic and industrial applications. The findings reveal that Myrcia essential oils present a variety of bioactive compounds, such as monoterpenes and sesquiterpenes, which demonstrate antimicrobial activities against a range of microorganisms, including Gram-positive and Gram-negative bacteria, as well as yeasts. Furthermore, this study highlights the phytotoxic activity of these oils, indicating their potential for weed control. The results also point to the insecticidal potential of Myrcia essential oils against a range of pests, showing their viability as an alternative to synthetic pesticides. Additionally, species of the genus Myrcia have demonstrated promising hypoglycemic effects, suggesting their potential in diabetes treatment. This comprehensive synthesis represents a significant advancement in understanding Myrcia essential oils, highlighting their chemical diversity and wide range of biological activities. However, the need for further research is emphasized to fully explore the therapeutic and industrial potential of these oils, including the identification of new compounds, understanding of their mechanisms of action, and evaluation of safety and efficacy in different contexts.

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Section: Introductionmentioning

confidence: 99%

Exploring the Potential of Myrcia Genus Essential Oils: A Review of Biological Activities and Recent Advances

dos Santos,

Bezerra,

da Silva

et al. 2024

Molecules

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Aspects of the reproductive biology of sympatric Myrtaceae: <i>Myrceugenia euosma</i> and <i>Siphoneugena reitzii</i> in southern Brazil

Schramm Corrêa,

Schatz Sá,

Neto dos Santos

et al. 2024

Bot. Sci.

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Background: The Myrtaceae family represents one of the most diverse groups in South America. Yet, there are few studies on their reproductive characteristics. Among the species with limited information on their reproductive behavior are Myrceugenia euosma (O. Berg) D. Legrand and Siphoneugena reitzii D. Legrand. Questions: What are the floral attractions and resources of M. euosma and S. reitzii for pollinators? Who are the pollinators of these species? What is the predominant reproductive system in both species? Studied species: M. euosma and S. reitzii, two sympatric Myrtaceae from southern Brazil. Study site and dates: Urubici, Painel, and Rio Rufino, Santa Catarina state, southern Brazil. November 2021 - February 2022. Methods: Information was obtained on morphological aspects, anthesis time, stigmatic viability, floral resources, structures attractive to visitors, olfactory testing, observation and identification of floral visitors, and reproductive system testing. Results: The flowers of M. euosma opens between 11 am and 17 pm (- 20 pm), with full opening occurring mostly at night; S. reitzii flowers open between 4 a.m. and 6 a.m., with a highest peak by 8 a.m. Flowers of both species have receptive stigmas until senescence. Pollen is the primary floral reward and the scent coming from the anthers combined with the floral display attract native bees and Apis mellifera, legitimate pollinators of both species. The lack of fruit development in the self-pollination tests support cross reproduction in both taxa. Conclusions: Both species exhibit traits consistent with melittophily syndrome and potential self-incompatibility. These results are essential for conservation efforts.

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Viability and storage of Myrceugenia euosma (O. Berg) D. Legrand and Siphoneugena reitzii D. Legrand (Myrtaceae) pollen

Corrêa,

Sá,

Oliveira

et al. 2024

Rev. Ciênc. Agrovet.

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This study evaluated aspects of the pollen viability of the species Myrceugenia euosma (O. Berg) D. Legrand and Siphoneugena reitzii D. Legrand (Myrtaceae), both native trees with ornamental, medicinal and industrial potential. The study used different concentrations of sucrose to determine pollen viability in vitro and through colorimetric tests with specific dyes (Lugol, carmine acetic, and tetrazolium chloride – TTC – 0.1 and 0.05%). The two species also had their pollen stored for 30 and 90 days in freezers, refrigerators, and natural environments to check the best method for preserving their viability. The results showed that the highest average germination of M. euosma pollen was in a culture medium containing 30% sucrose. After 30 and 90 days of storage, pollen viability was significantly reduced, having preserved part of its potential only in the freezer. The pollen of S. reitzii had a higher average germination rate in a medium with 20% sucrose, but also showed a reduction in viability after 30 and 90 days of storage. The colorimetric tests showed that the pollen of both species responded to the dyes. However, the viability of Lugol and carmine acetic was considered to be overestimated in relation to the in vitro germination tests. Tetrazolium at 0.1% proved to be an alternative for checking the viability of S. reitzii pollen. It can be concluded that different concentrations of sucrose affect germination, and that storing pollen at a low temperature can preserve some of its viability in the short term.

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Chemical composition, antioxidant and antimicrobial activities of essential oil extracted from Myrceugenia euosma (O. Berg) D. Legrand (Myrtaceae)

Cited by 3 publications

References 44 publications

Exploring the Potential of Myrcia Genus Essential Oils: A Review of Biological Activities and Recent Advances

Exploring the Potential of Myrcia Genus Essential Oils: A Review of Biological Activities and Recent Advances

Aspects of the reproductive biology of sympatric Myrtaceae: <i>Myrceugenia euosma</i> and <i>Siphoneugena reitzii</i> in southern Brazil

Viability and storage of Myrceugenia euosma (O. Berg) D. Legrand and Siphoneugena reitzii D. Legrand (Myrtaceae) pollen

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