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Background: Hyperlipidemia (HL) constitutes a significant risk factor for cardiovascular diseases. This lipid disorder has become a primary focus for researchers because of its high prevalence worldwide, prompting increased efforts to discover new treatment options originating from natural alternatives to synthetic medications that can have serious adverse effects. Ethnopharmacological and ethnobotanical approaches have played a key role in documenting and identifying medicinal and aromatic plants. This survey aims to document Algerian medicinal plants (MPs) reported by local populations in the Ghardaïa region (Southern Algeria) as effective for the management of HL.
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This study focuses on the physicochemical characterization and biological activities of some traditional date vinegars from the indigenous knowledge populations of the M’Zab valley (north-eastern Algerian Sahara). These are four types of vinegar made from different varieties of dates, including TemdjohoretTafezwine-Ghars (TTG), Ghars-Tafezwine-Azerza (GAT), H’Chef Deglet Noor (D1), and Ghars-Tafezwine-Azerza-Deglet Noor (ND). The analysis results show that the date vinegar samples studied are characterized by an acidic pH (3.15±0.02-3.62±0.00), high dry matter contents (3.98±0.17-8.47±0.06%), insoluble solids rate (8.1±0.06-15.05±0.03), in electrical conductivity (3.36±0.01-6.11±0.01ms/cm), and total acidity contents ranging from 14.17±2.40 for GAT to 39.8±0.92 g/l for TTG. The residual alcohol rates are 1±0.00% for the TTG sample to 4.9±0.00% for GAT. However, total sugar contents (0.88±0.1%7.36±0.57%) are more or less high in samples of traditional date vinegar, which gives a sweetness to some date vinegar samples. The protein contents (0.43±0.007-0.79±0.002) of the various date vinegar samples are low. Statistical analyses show that each type of traditional date vinegar has a distinct profile, influenced by the chemical characteristics of the cultivars used. The antioxidant activities of traditional date vinegar samples show their high antioxidant capacity for all types of radicals. Each sample of vinegar has significant antioxidant activities, although their activities are always lower than those of ascorbic acid (vitamin C) or Trolox. For each type of traditional date vinegar sample, it should be noted that the radical inhibition rates (FRAP, DPPH, and ABTS) are dosedependent. The sample with the highest antioxidant power remains GharsTafezwine-Azerza (GAT), with IC50 = 0.0538 mg product/ml distilled water for the DPPH test and IC50 = 0.0125 mg product/ml distilled water for the ABTS test. For a high reduction capacity by the FRAP test, it is 484.16±8.66 µM/ml equivalant Trolox.
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Nous avons effectué une enquête dans les zones de Ouargla, Ghardaía et El-Goléa en vue d'une part de recenser les plantes pâturées par le dromadaire et d'autre part d'étudier leur composition chimique et leur digestibilité. Six plantes on fait l'objet de cette dernière étude: trois c<Achebn (le Saadane, et N'Si et la Habalia) et trois plantes vivaces (le Drinn, le Chebrok et le Adjram). Il apparaît que: La composition en cendres est particulièrement élevée pour les <<Acheb* (12 à 29%) que pour les plantes vivaces (5 à 12%). Pour la teneur en matières azotées totales elle varie de 6 à 12% et 4 à 9% respectivement pour les ccAcheba et plantes vivaces. Par contre, pour les composés pariétaux évalub en NDF, les plantes vivaces en sont mieux pourvues (74 contre 58% en moyenne). Quant à la digestibilité in vitro de la matière sèche, les meilleurs sont obtenus avec les aAcheb, (59 à 44%) contre (45 à 22%), pour les plantes vivaces.
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The traditionnaluses of plants for medicine were studied in north algerian Sahara. To date, 85 spontaneousmedicinal plants have been identified, 35 are reported with the vernacularnames and 17s,electedbecause they have common medicinaluse in 3 differentgeographicallocalities and mayserve as an indicator of the major health problems of the populations.
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