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Antioxidant activities of Sechium edule (Jacq.) Swartz extracts
Abstract The antioxidant activities (AA) of Sechium edule extracts were tested by three established in vitro methods, namely reducing power, β-carotene linoleate model and 1,1- diphenyl-2
Screening of antibacterial activity of Amaicha del Valle (Tucumán, Argentina) propolis.
Thin layer chromatographic (TLC) separation profiles of propolis from Amaicha del Valle region were similar but differ from the alcoholic extract from Cerrillos, another phytogeographical region of Argentina (provincia chaqueña), andBioautographic assays of the TLC profiles showed that several separated compounds of the Amaica Del Valle propolis have antibacterial activity.
A molecular based strategy for rapid diagnosis of toxigenic Fusarium species associated to cereal grains from Argentina.
The results indicated that the PCR assays evaluated in this work are reliable diagnostic tools to detect the main toxigenic Fusarium species associated to cereal grains in Argentina.
Essential groups at the active site of Trapaeolum invertase
Abstract Amino acid residues involved at the active site of Tropaeolum majus invertase (β- d -fructofuranoside fructohydrolase, EC were determined. Photo-oxidation and Woodward's reagent K
Sugarcane Straw and its Phytochemicals as Growth Regulators of Weed and Crop Plants
These concentrations were below the EC25 values determined in unsterile soil indicating that these compounds cannot completely explain the strong inhibitory activity of sugarcane straw leachates.
Propolis from the northwest of Argentina as a source of antifungal principles
Aims:  To determine the antimycotic and cytotoxic activities of partially purified propolis extract on yeasts, xylophagous and phytopathogenic fungi.
Isolation, Identification and Characterization of Allelochemicals/ Natural Products
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Nature of the Interference Mechanism of Sugarcane (Saccharum officinarum L.) Straw
It is shown that sugarcane straw leachate interferes with seedling growth of beggarticks and wild mustard and that water-soluble phenolics can play a role in the seedlinggrowth inhibition of the assayed weeds and that straw phytotoxicity is related with organic molecules, rather than to variations in inorganic nutrients.
Antibacterial activity of ethanolic and aqueous extracts of Acacia aroma Gill. ex Hook et Arn.
Leaf fluid extracts tended to be the most potent, followed by flower fluid extracts, and minimal bactericidal concentration values were identical or twice as high than the corresponding MIC for leaf extracts and four or eight times higher than MIC values for flower extracts, which may indicate a bactericidal effect.
Antibacterial activity of Zuccagnia punctata Cav. ethanolic extracts.
Investigation of antibacterial activity of Zuccagnia punctata ethanolic extract against 47 strains of antibiotic-resistant Gram-negative bacteria and to identify bioactive compounds indicated that it might provide promising therapeutic agents against infections with multi- resistant Gram- negative bacteria.