Essential‐Oil Polymorphism in the ‘Resurrection Plant’ <i>Myrothamnus moschatus</i> and Associated Ethnobotanical Knowledge

Randrianarivo, Emmanuel; Rasoanaivo, Philippe; Nicoletti, Marcello; Razafimahefa, Solofoniaina; Lefebvre, Manon; Papa, Fabrizio; Vittori, Sauro; Maggi, Filippo

doi:10.1002/cbdv.201300179

Cited by 5 publications

(2 citation statements)

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“…Conversely, southern populations were mainly constituted of oxygenated monoterpenes. In particular, the chemotype of the Ifandana populations was quite comparable to that of our study [28].…”

Section: Resultssupporting

confidence: 84%

“…Even if these latter were collected in different seasons, it was demonstrated that the environmental conditions do not influence the EO chemical composition of this species [18]. Conversely, Randrianarivo et al, [28] analyzed the EOs of M. moschatus plants growing in different areas of Madagascar. They showed many differences, depending on the plant variability, but also on the environmental parameters and genetic selection.…”

Section: Resultsmentioning

confidence: 99%

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The Essential Oil from the Resurrection Plant Myrothamnus moschatus Is Effective against Arthropods of Agricultural and Medical Interest

et al. 2022

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This work aimed to evaluate the chemical composition, insecticidal and acaricidal potential of the essential oil (EO) obtained from the resurrection plant Myrothamnus moschatus (Baill.) Baill. (Myrothamnaceae) from Madagascar. The EO bioactivity was evaluated against selected arthropod pests and vectors of agricultural and public health relevance. The most abundant volatile compounds were trans-pinocarveol (37.7 ± 4.2%) and pinocarvone (20.8 ± 3.1%), similar to the EO of the chemotype collected from the same region. Lethal concentrations (LC50) or doses (LD50) from acute toxicity tests were estimated for Musca domestica (L.) adults at 22.7 µg adult−1, for Spodoptera littoralis (Boisduval) larvae at 35.6 µg larva−1, for Culex quinquefasciatus (Say) at 43.6 µg mL−1, for adults of Metopolophium dirhodum (Walker) at 2.4 mL L−1, and for adults of Tetranychus urticae (Koch) at 1.2 mL L−1. The good insecticidal and acaricidal activities determined in this work may open a new perspective on the use of this plant as a source of botanical insecticide ingredients. The exploitation of this species could also be important for the African economy, helping local farmers cultivating this plant.

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Section: Resultssupporting

confidence: 84%

Section: Resultsmentioning

confidence: 99%

The Essential Oil from the Resurrection Plant Myrothamnus moschatus Is Effective against Arthropods of Agricultural and Medical Interest

et al. 2022

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Evaluation of the anticonvulsant activity of the essential oil of Myrothamnus moschatus in convulsion induced by pentylenetetrazole and picrotoxin

Randrianarivo¹,

Maggi

Nicoletti

et al. 2016

Asian Pacific Journal of Tropical Biomedicine

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Objective: To evaluate the anticonvulsant effect of the essential oil of Myrothamnus moschatus (M. moschatus) in convulsion induced by pentylenetetrazole and picrotoxin in rodent models. Methods: The essential oil of the aerial parts of M. moschatus was extracted by steam distillation. Thereafter, it was injected subcutaneously to rats and mice at escalating doses (0.1-0.8 mL/kg). Ten minutes after drug injection, pentylenetetrazole was injected intraperitoneally to rats and picrotoxin was administered to mice by the same route. Diazepam served as the positive control. Every single animal was placed into transparent cage and observed for convulsive behavior for 30 min by using ordinary security cameras connected to a video recorder. Death occurring for a period of 24 h was also recorded. Results: The essential oil at 0.8 mL/kg completely arrested the pentylenetetrazole-induced convulsion without any sedative effect and delayed its appearance at lower doses, but showed moderate activities on picrotoxin-induced convulsion. For the rats treated with pentylenetetrazole alone, the mortality was 100% within 1 h, but for the rats pre-treated with the essential oil, the mortality was 0%. For the mice treated with picrotoxin, the mortality rate was also 100%, while 20%-100% died in those that had been pre-treated with the oil. Conclusions: The results confirmed at least partly the traditional uses of the smoke of M. moschatus for the management of convulsion, and implied that the essential oil may inhibit the convulsion by GABAergic neuromodulation

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Natural products from resurrection plants: Potential for medical applications

Gechev

Hille

Woerdenbag

et al. 2014

Biotechnology Advances

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Resurrection species are a group of land plants that can tolerate extreme desiccation of their vegetative tissues during harsh drought stress, and still quickly - often within hours - regain normal physiological and metabolic functions following rehydration. At the molecular level, this desiccation tolerance is attributed to basal cellular mechanisms including the constitutive expression of stress-associated genes and high levels of protective metabolites present already in the absence of stress, as well as to transcriptome and metabolome reconfigurations rapidly occurring during the initial phases of drought stress. Parts of this response are conferred by unique metabolites, including a diverse array of sugars, phenolic compounds, and polyols, some of which accumulate to high concentrations within the plant cell. In addition to drought stress, these metabolites are proposed to contribute to the protection against other abiotic stresses and to an increased oxidative stress tolerance. Recently, extracts of resurrection species and particular secondary metabolites therein were reported to display biological activities of importance to medicine, with e.g. antibacterial, anticancer, antifungal, and antiviral activities, rendering them possible candidates for the development of novel drug substances as well as for cosmetics. Herein, we provide an overview of the metabolite composition of resurrection species, summarize the latest reports related to the use of natural products from resurrection plants, and outline their potential for medical applications.

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Essential‐Oil Polymorphism in the ‘Resurrection Plant’ Myrothamnus moschatus and Associated Ethnobotanical Knowledge

Cited by 5 publications

References 13 publications

The Essential Oil from the Resurrection Plant Myrothamnus moschatus Is Effective against Arthropods of Agricultural and Medical Interest

The Essential Oil from the Resurrection Plant Myrothamnus moschatus Is Effective against Arthropods of Agricultural and Medical Interest

Evaluation of the anticonvulsant activity of the essential oil of Myrothamnus moschatus in convulsion induced by pentylenetetrazole and picrotoxin

Natural products from resurrection plants: Potential for medical applications

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