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1. Carbon dots as a sustainable alternative to plant extracts for the green synthesis of noble metal nanoparticles

Author:
P.T. Varsha Raveendran; N.K. Renuka
Source:
Environmental nanotechnology, monitoring & management 2022 v.18 pp. 100676
ISSN:
2215-1532
Subject:
Leucas; Plectranthus amboinicus; hot water treatment; luminescence; nanogold; nanosilver; pH; particle size; protocols; temperature; wavelengths
Abstract:
... Biogenic synthesis of noble metal nanoparticles is an alluring alternative to other chemical methods employing conventional reducing and capping agents. Herein, a completely green protocol is projected for the synthesis of noble metal nanoparticles using the recent entry of the nanocarbon family, carbon nanodots (CDs). Spherical CDs of size less than 5 nm were synthesized from the leaves of two he ...
DOI:
10.1016/j.enmm.2022.100676

2. Design and development of orally disintegrating films: A platform based on hydroxypropyl methylcellulose and guar gum

Author:
Ana Flávia Freitas de Carvalho; Vanessa Ferreira Caldeira; Ana Paula Oliveira; Joyce Kelly Marinheiro da Cunha Gonsalves; Edigênia Cavalcante Da Cruz Araújo
Source:
Carbohydrate polymers 2022 pp. 120155
ISSN:
0144-8617
Subject:
Candida; Gram-negative bacteria; Plectranthus amboinicus; carvacrol; disk diffusion antimicrobial test; electron microscopy; essential oils; guar gum; hydrogen; methylcellulose; nuclear magnetic resonance spectroscopy; viability
Abstract:
... From a design of experiments (DOE) performed under four independent variables, with the filmogenicity conditions and shortest disintegration time as the answers, a new oral disintegrating film (ODF) based on hydroxypropyl methylcellulose (HPMC) and guar gum (GG) with the essential oil of Plectranthus amboinicus L. (EOPA) was developed. Sixteen formulations were tested for filmogenicity, homogeneit ...
DOI:
10.1016/j.carbpol.2022.120155

3. Dietary Coleus amboinicus Lour. decreases ruminal methanogenesis and biohydrogenation, and improves meat quality and fatty acid composition in longissimus thoracis muscle of lambs

Author:
Yulianri Rizki Yanza; Malgorzata Szumacher-Strabel; Dorota Lechniak; Sylwester Ślusarczyk; Pawel Kolodziejski; Amlan Kumar Patra; Zora Váradyová; Dariusz Lisiak; Mina Vazirigohar; Adam Cieslak
Source:
Journal of animal science and biotechnology 2022 v.13 no.1 pp. 5
ISSN:
2049-1891
Subject:
Butyrivibrio fibrisolvens; Megasphaera elsdenii; Methanobacteriales; Plectranthus amboinicus; Protozoa; Ruminococcus albus; ammonia; biohydrogenation; biotechnology; digestibility; fatty acid composition; fatty-acid synthase; fermentation; gene expression; lipoprotein lipase; longissimus muscle; meat; meat quality; methane production; methanogens; omega-3 fatty acids; pH; polyphenols; polyunsaturated fatty acids; stearoyl-CoA desaturase
Abstract:
... BACKGROUND: Methane production and fatty acids (FA) biohydrogenation in the rumen are two main constraints in ruminant production causing environmental burden and reducing food product quality. Rumen functions can be modulated by the biologically active compounds (BACs) of plant origins as shown in several studies e.g. reduction in methane emission, modulation of FA composition with positive impac ...
DOI:
10.1186/s40104-021-00654-3

4. Effects of Bidens alba and Plectranthus amboinicus dietary supplements on nonspecific immune responses, growth, and resistance to Vibrio alginolyticus in white leg shrimp (Penaeus vannamei)

Author:
Huai-Ting Huang; Zhen-Hao Liao; Yu-Sheng Wu; Yu-Ju Lin; Yi-Shiun Kang; Fan-Hua Nan
Source:
Aquaculture 2022 v.546 pp. 737306
ISSN:
0044-8486
Subject:
Bidens; Litopenaeus vannamei; Plectranthus amboinicus; Vibrio alginolyticus; aquaculture; growth performance; hemocytes; lysozyme; monophenol monooxygenase; phagocytosis; shrimp; specific growth rate; superoxide anion
Abstract:
... Bidens alba and Plectranthus amboinicus are common medicinal plants. This study investigated the effects of a diet containing B. alba extract (BAE) and P. amboinicus extract (PAE) on the immune responses, growth, and their resistance to Vibrio alginolyticus in white leg shrimp (Penaeus vannamei). An in vitro experiment revealed that the BAE and PAE are nontoxic to white leg shrimp haemocytes, and ...
DOI:
10.1016/j.aquaculture.2021.737306

5. Encapsulation of wild oregano, Plectranthus amboinicus (Lour.) Spreng, phenolic extract in baker's yeast for the postharvest control of anthracnose in papaya

Author:
Cristina C Uclaray; Mark Louis P Vidallon; Ronaniel A Almeda; Christian Joseph R Cumagun; Charisse T Reyes; Evelyn B Rodriguez
Source:
Journal of the science of food and agriculture 2022 v.102 no.11 pp. 4657-4667
ISSN:
0022-5142
Subject:
Glomerella cingulata; Plectranthus amboinicus; agriculture; anthracnose; antifungal properties; bakers yeast; bioactive compounds; microencapsulation; microparticles; mycelium; oregano; pathogens; phenolic compounds; phytochemicals; postharvest diseases; postharvest treatment; storage quality; toxicity
Abstract:
... BACKGROUND: Anthracnose caused by Colletotrichum gloeosporioides is considered as a major postharvest disease affecting many fruits. This plant disease is traditionally managed with synthetic fungicides, which are generally toxic and are linked to pathogen resistance. Recently, microencapsulated bioactives have been developed as potential alternative strategies to these methods, while utilizing na ...
DOI:
10.1002/jsfa.11826

6. Establishment of an Efficient In Vitro Propagation Method for a Sustainable Supply of Plectranthus amboinicus (Lour.) and Genetic Homogeneity Using Flow Cytometry and SPAR Markers

Author:
Mohammad Faisal; Abdulrahman A. Alatar
Source:
Horticulturae 2022 v.8 no.8 pp. -
ISSN:
2311-7524
Subject:
Plectranthus amboinicus; acetic acid; asthma; benzyladenine; constipation; cough; culture media; fever; flow cytometry; genetic similarity; genetic stability; headache; indole acetic acid; indole butyric acid; influenza; ingredients; kinetin; meat; organogenesis; pH; rooting
Abstract:
... Plectranthus amboinicus (Lour.) Spreng is a medicinally important aromatic perennial herb used for the treatment of skin diseases, constipation, asthma, flu, fever, cough, and headache as well as a flavoring ingredient in traditional drinks, food, and meat stuffing. In this study, a high-performance in vitro propagation system of P. amboinicus through direct shoot organogenesis was developed using ...
DOI:
10.3390/horticulturae8080693

7. Insecticidal Activity of Plectranthus amboinicus Essential Oil against the Stable Fly Stomoxys calcitrans (Diptera: Muscidae) and the Horse Fly Tabanus megalops (Diptera: Tabanidae)

Author:
Arpron Leesombun; Sivapong Sungpradit; Sookruetai Boonmasawai; Thekhawet Weluwanarak; Suriyo Klinsrithong; Jiraporn Ruangsittichai; Sumate Ampawong; Roungthip Masmeatathip; Tanasak Changbunjong
Source:
Insects 2022 v.13 no.3 pp. -
ISSN:
2075-4450
Subject:
Plectranthus amboinicus; Stomoxys calcitrans; Tabanus; air; animal health; brain; ectoparasites; edema; essential oils; fumigants; histopathology; insecticidal properties; insecticides; lethal concentration 50; lethal dose 50; livestock; necrosis; neurodegenerative diseases; neurons; Thailand
Abstract:
... The stable fly, Stomoxys calcitrans (Diptera: Muscidae), and the horse fly, Tabanus megalops (Diptera: Tabanidae), are important ectoparasites of livestock in Thailand. These species affect animal health and cause economic losses. This study investigated the insecticidal activity of Plectranthus amboinicus essential oil against S. calcitrans and T. megalops through contact and fumigant toxicity te ...
DOI:
10.3390/insects13030255

8. Phenolic and terpene compounds from Plectranthus amboinicus (Lour.) Spreng. Act as promising hepatic anticancer agents screened through in silico and in vitro approaches

Author:
M.S. Sindhu; M. Poonkothai; R. Thirumalaisamy
Source:
South African journal of botany 2022 v.149 pp. 145-159
ISSN:
0254-6299
Subject:
Plectranthus amboinicus; adsorption; alpha-pinene; alternative medicine; apoptosis; botany; carvacrol; cineole; computer simulation; density functional theory; dose response; energy; excretion; hardness; ion channels; ligands; limonene; liver neoplasms; pharmacokinetics; proteinases; syringic acid; thymol; toxicity; toxicity testing; vanillin
Abstract:
... The present study aims to validate the anticancer potential of the phytocompounds namely carvacrol, thymol, alpha pinene, limonene, vanillin, cineole and syringic acid against apoptotic regulator target proteins through in silico approach. The drug likeness nature of the selected phytocompounds analyzed using SWISS ADME online server. The phytocompounds met the requirements of Lipinski, Ghose, Veb ...
DOI:
10.1016/j.sajb.2022.06.001

9. Plectranthus amboinicus (Lour.) Spreng. essential oil as a natural alternative for the conservation of beef patties stored under refrigeration

Author:
Bruno Dutra da Silva; Patricia Campos Bernardes; Patrícia Fontes Pinheiro; Juliana Di Giorgio Giannotti; Consuelo Domenici Roberto
Source:
Food bioscience 2022 v.49 pp. 101896
ISSN:
2212-4292
Subject:
Escherichia coli; Listeria monocytogenes; Plectranthus amboinicus; Pseudomonas aeruginosa; Salmonella Typhimurium; Staphylococcus aureus; antibacterial properties; beef; essential oils; food industry; food matrix; oils; refrigeration; thymol
Abstract:
... Plectranthus amboinicus essential oil (PAEO) has the potential to be used by the food industry as a natural antimicrobial alternative. The study aimed to evaluate the antibacterial activity of PAEO in vitro against pathogenic bacteria contaminating food and its potential for action when added to intentionally contaminated beef patties. The composition was determined by GC-MS and GC-FID, and thymol ...
DOI:
10.1016/j.fbio.2022.101896

10. Repellency of Wild Oregano Plant Volatiles, Plectranthus Amboinicus, and Their Essential Oils to the Silverleaf Whitefly, Bemisia Tabaci, on Tomato

Author:
Cyrane Pouët; Emilie Deletre; Béatrice Rhino
Source:
Neotropical entomology 2022 v.51 no.1 pp. 133-142
ISSN:
1519-566X
Subject:
Bemisia argentifolii; Bemisia tabaci; Neotropics; Plectranthus amboinicus; Solanum lycopersicum; biological control; cages; entomology; greenhouses; olfactometers; oregano; pests; tomatoes; volatile organic compounds; Caribbean; Martinique
Abstract:
... The Bemisia tabaci (Gennadius) whitefly is a major economically damaging pest of many crops such as tomato (Solanum lycopersicum L.). Pesticides are widely used to control B. tabaci while the use of aromatic plants is an alternative control method. The aim of this study was to assess the B.tabaci repellent effect of wild oregano, Plectranthus amboinicus (Lour.) Spreng, a widespread aromatic plant ...
DOI:
10.1007/s13744-021-00921-y

11. Screening of Indian borage [Plectranthus amboinicus (Lour) Spreng], bitter weed [Andrographis paniculata (Burm.f.) Nees] and Southern cone marigold (Tagetes minuta L.) for allelopathic potential against weeds

Author:
K.K. Shakkira; P.V. Sindhu; Meera V. Menon
Source:
Indian journal of weed science 2022 v.54 no.2 pp. 211-215
ISSN:
0974-8164
Subject:
Andrographis paniculata; Plectranthus amboinicus; Tagetes minuta; agricultural colleges; agronomy; allelochemicals; allelopathy; crop production; highlands; methanol; preemergent weed control; weeds; India
Abstract:
... Several plants express the allelopathic phenomenon through release of allelochemicals. Plants rich in allelochemicals can be used for controlling weeds in organic crop production. Current study was aimed at screening of Andrographis paniculata (Burm.f.) Nees (bitter weed), Plectranthus amboinicus (Lour) Spreng (Indian borage) and Tagetes minuta L.(Southern cone marigold) for allelopathic potential ...
DOI:
10.5958/0974-8164.2022.00040.5

12. Chemical profile and antifungal activity of plant extracts on Colletotrichum spp. isolated from fruits of Pimenta dioica (L.) Merr.

Author:
Aidé Velázquez Silva; Leticia Robles Yerena; Laura Leticia Barrera Necha
Source:
Pesticide biochemistry and physiology 2021 v.179 pp. 104949
ISSN:
0048-3575
Subject:
Pimenta dioica; Piper auritum; Plectranthus amboinicus; Psidium guajava; allspice; anthracnose; antifungal properties; fruits; gas chromatography; high performance liquid chromatography; monoterpenoids; mycelium; pesticides; sesquiterpenoids; spore germination; taxifolin
Abstract:
... Pimenta dioica (L.) Merr. is a popular seasoning species. During its production, there are losses of up to 50% due to anthracnose caused by fungi of the genus Colletotrichum. In this study, we evaluated the effect of ethanolic extracts on the in vitro and in vivo control of isolated Colletotrichum spp. Allspice. Extracts of leaves of P. dioica, Piper auritum, Plectranthus amboinicus and Psidium gu ...
DOI:
10.1016/j.pestbp.2021.104949

13. Cytotoxicity, in vivo toxicity, and chemical composition of the hexane extract of Plectranthus amboinicus (Lour.) Spreng

Author:
Ahmed Almalki; Nael Abutaha; Amin A. Al-Doaiss; Al-Zahrani Mohammed; Muhammad A. Wadaan
Source:
Environmental science and pollution research 2021 v.28 no.35 pp. 48141-48153
ISSN:
0944-1344
Subject:
Plectranthus amboinicus; antineoplastic agents; apoptosis; breast neoplasms; breasts; cancer therapy; caspase-3; caspase-7; cell lines; chemical composition; cytotoxicity; fluorescence microscopy; hexane; histology; kidneys; leaves; liver; mortality; neoplasm cells; phenol; pollution; research
Abstract:
... Cancer is a universal health issue, and many anticancer therapeutic drugs have been isolated from natural products. This study analyzed the cytotoxic and apoptotic activity of Plectranthus amboinicus leaf hexane (PALH) extract in MDA-MB-231 (median inhibitory concentration [IC₅₀] = 39.26 μg/mL) and MCF7 (IC₅₀ = 89.05 μg/mL) breast cancer cell lines. Cells appeared rounded and shrunken, indicating ...
DOI:
10.1007/s11356-021-13796-8

14. Dynamic alterations of metabolites in Plectranthus amboinicus (Lour.) Spreng. to encounter drought and Zn toxicity

Author:
Habeeb Hiba; Edappayil Janeeshma; Jos T. Puthur
Source:
Revista brasileira de botânica 2021 v.44 no.3 pp. 587-599
ISSN:
0100-8404
Subject:
Plectranthus amboinicus; agricultural industry; decline; drought; flavonoids; heavy metals; leaves; linalool; medicinal plants; oxidative stress; palmitic acid; pharmaceutical industry; secondary metabolites; spathulenol; squalene; toxicity; water stress; zinc
Abstract:
... Heavy metal toxicity and drought stresses are two growing concerns of the global population as these have a disastrous effect on the agriculture sector, creating oxidative stress in plants and leads to deleterious effects, which end up causing a major decline in yield. Hence, carving out the best candidate for combating both these stresses have become the prime objective of researchers. Plectranth ...
DOI:
10.1007/s40415-021-00738-4

15. Effect of light exposure on secondary metabolites production of an endophytic fungus Arthrinium rasikravindrae and its antioxidant and anticancer activities

Author:
Andita Eltivitasari; Rahmawati; Baiq Maylinda Gemantari; Fitra Romadhonsyah; Arief Nurrochmad; Subagus Wahyuono; Puji Astuti
Source:
Biodiversitas 2021 v.22 no.6 pp. -
ISSN:
2085-4722
Subject:
Plectranthus amboinicus; antioxidant activity; antioxidants; cell cycle checkpoints; cell death; cytotoxicity; drugs; endophytes; ethyl acetate; fermentation; fungi; host plants; human cell lines; inhibitory concentration 50; methyl palmitate; neoplasm cells; secondary metabolites; solar radiation; stem extracts
Abstract:
... Eltivitasari A, Rahmawati, Gemantari BM, Romadhonsyah F, Nurrochmad A, Wahyuono S, Astuti P. 2021. Effect of light exposure on secondary metabolites production of an endophytic fungus Arthrinium rasikravindrae and its antioxidant and anticancer activities. Biodiversitas 22: 3156-3163. Endophytic microorganisms are one of the promising sources in producing bioactive compounds, to be developed for n ...
DOI:
10.13057/biodiv/d220618

16. First Report of Bacterial Wilt Caused by Ralstonia solanacearum on Plectranthus amboinicus in Martinique

Author:
P. Deberdt; G. Cellier; R. Coranson-Beaudu; M. Delmonteil-Girerd; J. Canguio; B. Rhino
Source:
Plant disease 2021 v.105 no.8 pp. 2239
ISSN:
0191-2917
Subject:
Plectranthus amboinicus; Ralstonia solanacearum; bacterial wilt; cultivars; discoloration; disease incidence; ethanol; perennials; pharmaceutical industry; phylotype; phytochemicals; polymerase chain reaction; relative humidity; risk; soil; therapeutics; tomatoes; Caribbean; Martinique; South Africa
Abstract:
... Plectranthus amboinicus, commonly known as Gwo ten in the French West Indies (Martinique), is a semisucculent perennial plant of the Lamiaceae family. This aromatic plant, which is widespread naturally throughout the tropics, is of economic importance because of the therapeutic and nutritional properties attributed to its natural phytochemical compounds, which are highly valued in the pharmaceutic ...
DOI:
10.1094/PDIS-12-20-2622-PDN

17. Isolation, Identification and Characterisation of Fungal Endophytes from Plectranthus amboinicus L.

Author:
Kanika Chowdhary; Satyawati Sharma; Rishu Kalra
Source:
National Academy science letters 2021 v.44 no.6 pp. 519-523
ISSN:
0250-541X
Subject:
Alternaria alternata; Chaetomium; Fusarium oxysporum; Plectranthus amboinicus; Sclerotinia sclerotiorum; ammonia; antifungal properties; bioassays; endophytes; fungi; genotyping; growth retardation; mycelium; phosphates; plant pathogens; siderophores; spectral analysis
Abstract:
... Fungal endophytes of Plectranthus amboinicus L. were explored for their antifungal activity against phytopathogen Sclerotinia sclerotiorum and plant-growth-enhancing traits. Fungal isolates were genotyped using the ITS-rDNA regions. Chaetomium subglobosum exhibited the highest mycelial growth inhibition of 80% against phytopathogen Sclerotinia sclerotiorum in dual-culture bioassay carried out in c ...
DOI:
10.1007/s40009-020-01035-6

18. Microwave-assisted green synthesis of fluorescent carbon quantum dots from Mexican Mint extract for Fe3+ detection and bio-imaging applications

Author:
Natarajan Architha; Murugesan Ragupathi; Chellappan Shobana; Thangasamy Selvankumar; Ponnuchamy Kumar; Yun Sung Lee; Ramakrishnan Kalai Selvan
Source:
Environmental research 2021 v.199 pp. 111263
ISSN:
0013-9351
Subject:
Fourier transform infrared spectroscopy; Plectranthus amboinicus; absorption; ascorbic acid; biocompatibility; bioimaging; breast neoplasms; cell lines; chemical composition; cytotoxicity; emissions factor; fluorescence; fluorescent dyes; microwave treatment; mint; neoplasm cells; particle size; photostability; research; solubility; toxicity testing; ultraviolet radiation; wavelengths
Abstract:
... Biomass-derived carbon quantum dots have drawn special interest owing to their admirable photostability, biocompatibility, fluorescence, high solubility, sensitivity and environmentally friendly properties. In the present work, the Carbon Quantum Dots (CQDs) was synthesized from the Plectranthus amboinicus (Mexican Mint) leaves via the microwave-assisted reflux method. The strong absorption peaks ...
DOI:
10.1016/j.envres.2021.111263

19. Mixtures of medicinal plants from caatinga: Basis for further bioprospecting studies

Author:
B.V. Almeida; D.A. Ribeiro; M.O. Santos; D.G. de Macêdo; J.G.F. Macedo; M.J.F. Macêdo; I.R.A. de Menezes; M.M.A. Souza
Source:
South African journal of botany 2021 pp. -
ISSN:
0254-6299
Subject:
Allium cepa; Plectranthus amboinicus; botany; caatinga; cough; influenza; medicinal plants; respiratory system; therapeutics; toxicity
Abstract:
... The use of mixtures of medicinal plants, when compared to the therapeutic objective of a particular plant, can show greater effectiveness in the cure or treatment of disorders or potentiate harmful effects to an organism. The present study aimed to verify the indications of medicinal plants, alone and in association.Ethnobotanical information was obtained through semi-structured interviews, using ...
DOI:
10.1016/j.sajb.2021.12.025

20. A New Flavonoid from Plectranthus amboinicus

Author:
C. Y. Cheng; C. L. Kao; H. T. Li; H. C. Yeh; Z. Y. Fang; W. J. Li; H. M. Wu; C. Y. Chen
Source:
Chemistry of natural compounds 2021 v.57 no.1 pp. 30-32
ISSN:
0009-3130
Subject:
Plectranthus amboinicus; chemistry; flavonoids
Abstract:
... A new flavonoid, 5,8-dihydroxy-7,2′,3′,5′-tetramethoxyflavone (1), was isolated from the stems of Plectranthus amboinicus (Lour.) Spreng. The structure of the new flavonoid was elucidated from chemical and physical evidence. ...
DOI:
10.1007/s10600-021-03274-5