Herbal Medicine in Africa-Distribution, Standardization and Prospects

Falodun, Abiodun

doi:10.3923/rjphyto.2010.154.161

Cited by 65 publications

(47 citation statements)

References 21 publications

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“…Medicinal plants have been an important part of human health care and most of these plants contain a number of secondary metabolites that may function as repellents, poisons, hormones, and as attractants in some cases [1][2][3][4]. Many of these secondary metabolites contained in medicinal plants have pharmacological properties that are reported to be responsible for the curative effects of medicinal plants [5,6].…”

Section: Introductionmentioning

confidence: 99%

Exploring Alternative Use of Medicinal Plants for Sustainable Weed Management

et al. 2017

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This paper presents the first application of ethnobotanical studies to screen for allelopathic species among medicinal plants for sustainable weed management. This study assesses the possible relationship between ethnobotanical indices and allelopathy of medicinal plants. Ethnobotanical data were collected in 2016 by using semi-structured interviews with 140 informants in the Ejisu-Juaben Municipality, Ghana. Data were analysed using statistical tool and ethnobotanical indices including use value (UV), Fidelity Level (FL), Relative Frequency of Citation (RFC). The Sandwich and Dish pack methods were respectively used to evaluate allelopathy through leachates and volatiles of collected samples. Ninety-five species belonging to 43 families are reported in this study, with leaves (52%) cited the most utilised plant part. Cleistopholis patens (UV = 0.54; FL = 90.7%; RFC = 0.37) and Ocimum gratissimum (UV = 0.37; FL = 38.4%; RFC = 0.35) were among the most cited species. Thirty-two species showed inhibition (≥49.3%) by leachates, while twenty-four species were found with potential volatile inhibitory compounds against lettuce radicle growth. There was a significant positive correlation (Pearson) between the UV and RFC of medicinal plants and allelopathy by leaf leachates (r = 0.639 **; p = 0.01 and r = 0.653 **; p = 0.01 respectively). This systematic documentation of medicinal plants in Ejisu-Juaben Municipality shows medicinal plants with ethnomedicinal values and potential allelopathy that can be utilised in sustainable weed control.

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Section: Introductionmentioning

confidence: 99%

Exploring Alternative Use of Medicinal Plants for Sustainable Weed Management

et al. 2017

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“…The use of herbal medicines in Africa has greatly elevated and enhanced the primary healthcare system in Africa (Falodoun, 2010). It was therefore found important to align our investigations with those of previous researches, including their implications and their recommendations to contribute to the sustainable management and conservation of forest resources.…”

Section: Introductionmentioning

confidence: 71%

“…Plants are known to be part of the mankind's healthcare system worldwide (Parihaar et al, 2014;Padalia et al, 2015); and all parts of a plant, even the whole plant, could be used in the treatment of illness in Africa (Falodoun, 2010). The use of herbal medicines in Africa has greatly elevated and enhanced the primary healthcare system in Africa (Falodoun, 2010).…”

Section: Introductionmentioning

confidence: 99%

How far can climate changes help to conserve and restore Garcinia kola Heckel, an extinct species in the wild in Benin (West Africa)

Djotan¹,

Aoudji²,

Codjia³

et al. 2018

Int. J. Biodivers. Conserv.

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A study was conducted to assess how well climate changes can help to conserve and restore Garcinia kola Heckel in the Protected Area Network (PAN) and in urban areas in Benin. To achieve this, occurrence data from GBIF was used and the environmental data from AfriClim was used in order to model the species' potential habitat under current and future climates. The maximum entropy modeling approach of MaxEnt was used with scenarios RCP4.5 and RCP8.5 for future predictions. Geographic information systems were used to establish the high confidence prediction areas (HCPA) for G. kola. Gap analysis was performed throughout PAN and municipalities with regard to the HCPA. Considering the climate envelop, results revealed that climate change prooved to have only positive consequences on the distribution of the species. Moreover, considering the HCPA, the percentage of municipalities that were suitable for the species is far above the percentage of PAN that was predicted as suitable (7.44% versus 0.93%). RCP4.5 and RCP8.5 indicated respectively 3.00 and 6.27% of PAN as positive climate change impact zones. As for the municipalities, it was respectively 13.60 and 17.60% of the total municipalities areas. Therefore, it is not worth relying only on PAN to conserve and restore the species, rather urban forestry and reforestation in PAN may be key actions to save this genetic resource. Further studies with regard to introduction of G. kola in urban areas and its use for reforestation are compulsory.

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“…This practice gradually waned with the development of synthetic drugs; however, despite the great advances observed in orthodox medicines, plants still make an important contribution to health care in most of the developing countries [12,13]. Although the mechanism of actions of these plants remedies is reportedly often lacking [13].…”

Section: Biochemical Parameters As Indicators Of Antihypertensive Effmentioning

confidence: 99%

Biochemical parameters as indicators of antihypertensive efficacy of leaf aqueous extract of Tridax procumbens (Lin) in L-NAME induced hypertensive rats

Salahdeen¹,

Salami²,

Paul³

et al. 2017

J Mol Pathophysiol

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Background: Cardiovascular disease is a widespread public health problem and hypertension is one of the major risk factors of it. Tridax procumbens leaf extract is traditionally used in the treatment of hypertension. This study evaluates the effects of T. procumbens extract (TPE) on blood biochemical parameters of N-nitro-L-arginine methyl ester (L-NAME)-induced hypertensive rats. Materials and Methods: Rats were divided randomly into four different treatment groups. Group I received 0.9% NaCl (control), Group II, III, and IV were given a nitric oxide synthase inhibitor (L-NAME) 40 mg/kg/day, orally for 6 weeks to induce hypertension. Groups III and IV were further treated with TPE (100 and 200 mg/kg/day), respectively, in the past 3 weeks of 6 weeks. Blood pressure, morphological variables, histopathology, plasma lipids, lipoproteins, cholesterol levels, hepatic enzymes alanine aminotransferase (ALT), aspartate aminotransferase (AST), and other parameters were analyzed. Results: TPE markedly inhibited the sustenance of L-NAME-induced hypertension. This effect was accompanied by a partial or full amelioration of most of the adverse effects induced by L-NAME, such as: (1) Increases in blood pressure, organs weight indices; (2) hyperlipidemia; (3) increased plasma activity of glutamic-pyruvic transaminase (ALT) and AST; and (4) liver and cardiac histological lesions. Conclusions: This study provides evidence about the antihypertensive effects and end-organ protection of TPE in animal model of hypertension. These effects may be due to one or more constitution in this extract.

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Herbal Medicine in Africa-Distribution, Standardization and Prospects

Cited by 65 publications

References 21 publications

Exploring Alternative Use of Medicinal Plants for Sustainable Weed Management

Exploring Alternative Use of Medicinal Plants for Sustainable Weed Management

How far can climate changes help to conserve and restore Garcinia kola Heckel, an extinct species in the wild in Benin (West Africa)

Biochemical parameters as indicators of antihypertensive efficacy of leaf aqueous extract of Tridax procumbens (Lin) in L-NAME induced hypertensive rats

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