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Antimicrobial screening for plant and microbial samples; Screening for anti-microbial compounds from essential oil, actinomycetes and fungi extracts against standard fungi, yeast and bacteria. Reverse Mutagenicity Assay (AMES test) screening. AMES testing on plant extracts and essential oil samples. Microbial 16S rDNA/ ITS identification.
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information is also delivered to NCI. Over 30000 plant samples have been shipped to the Natural Products Repository in Frederick, Maryland, between 1986 and 1992. In this, the second phase of their plant screening program NCI will largely be evaluating plant material from tropical and subtropical countries. NYBG and its subcontractors are ...
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The phytochemical screening of crude methanolic extracts of leaf and bark samples of G. velutinus revealed the presence of some secondary metabolites such as alkaloids, steroids and cardiac glycosides as shown in Table 1.Tannins were detected in the leaf extract but not in the bark extract of G. velutinus.The phytochemical compounds detected are known to have …
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Plant material. Four citrus rootstocks were screened for P. nicotianae tolerance including sour orange (Citrus aurantium), Bitters-C22 citrandarin (C. sunki × Swingle Poncirus trifoliata), and hybrids Sarawak pummelo (C. maxima) × Rio Red (C. paradisi Macfadyen) grapefruit and Sarawak pummelo (C. maxima) × Bower mandarin (C. reticulata Blanco). This …
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It is generally acknowledged that about one in 10,000 chemicals derived from mass screening of plants, animals and microbes eventually results in a potentially profitable drug. By contrast, Shaman Pharmaceuticals, Inc., the U.S.-based company that collects plants by talking to indigenous healers and watching them work, claims a success rate of 50%.
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Phytochemical Screening, Isolation, Characterization of Bioactive and ... Bungkang (Syzygium polyanthum) is a medium to tall plant which produces medicinal root-bark, the plant is ... Sarawak, and were used for the antibacterial and antifungal activities.
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The leaves of five local plants were evaluated for their antibacterial properties with regards to the growth of Bacillus subtilis and Escherichia coli and preliminary screening showed that ethanol extract of P. guajava had the highest zone of inhibition against B. subtILis growth. Plants have been identified for their valuable properties for traditional medicine since …
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The objective of this study is to mine the terrestrial plants in Sarawak, Borneo Island, for new photosensitizers for PDT. In a screening program from 2004 to 2008, we prepared and studied 2,400 extracts from 888 plants for their photosensitizing activities. This report details the bioprospecting process, preparation and testing of extracts ...
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Visual screening method for existing structures based on the assessment of the elements that could pose risk to the structures. Risk ranking of various types of structures in the plant based on scoring method established and agreed via Delphi Method. Definition of various levels of risk (i.e. Low, Medium, High and Very High) with
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Malaysia Sarawak, 94300 Kota Samarahan Sarawak, Malaysia Screening for antifungal-producing bacteria from Piper nigrum plant against Phytophthora capsici Abstract Piper nigrum, commonly known as black pepper, is one of the most important spice crops with high demand by the world market. However, diseases like foot rot and stem blight
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The stems and leaves of three Garcinia plants indicate platelet-activating factor antagonist activity . Among the three Garcinia plants, the leaves of G. hombroniana (seashore mangosteen) have higher microbial inhibition activity (46.3%) than the leaves and stems of G. cowa (cowa) and G. dulcis (mundu).
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Phytochemical Screening, Antimicrobial and Antioxidant Activities of Selected Fungi from Mount Singai, Sarawak, Malaysia International Journal of Research Studies in Biosciences (IJRSB) Page | 193 Figure1. Fungal species. A. Earliella scabrosa B. Microporus xanthopus C. Amauroderma rugosum D.
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Canarium odontophyllum is one of the underutilized fruits among the local community in Sarawak, Malaysia. The leaf extracts from C. odontophyllum (6.25 mg/ml to 50 mg/m) were screened against two Gram-positive bacteria (Staphylococcus aureus and Bacillus cereus) and two Gram-negative bacteria (Escherichia coli and Pseudomonas aeruginosa).
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Objective . To ascertain the essential oil phytochemicals of the leaf and to test for the antibacterial and antioxidant properties of dichloromethane crude extract of Barringtonia asiatica leaf. Methods . The phytochemical screening of essential oils, extraction by hydrodistillation using the Clevenger apparatus, and analysis performed by gas chromatography equipped with a …
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Traditional healers in Sarawak, Malaysia, use plants such as Picria fel-terrae, Linariantha bicolor and Lansium domesticum to treat gastrointestinal infections. This study aimed to test whether their nematocidal activities could be confirmed in vitro using highly standardised Caenorhabditis elegans models. We applied eight different ethanol solubilised plant extracts …
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Traditional healers in Sarawak, Malaysia, use plants such as Picria fel-terrae, Linariantha bicolor and Lansium domesticum to treat gastrointestinal infections. This study aimed to test whether their nematocidal activities could be confirmed in vitro …
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