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impatiens psittacina/antioxidante
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7 resultados
Antioxidant and antimicrobial activities of ethanol extract from the stem and leaf of Impatiens balsamina L. (Balsaminaceae) at different harvest times.
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The aim of this study was to investigate the total phenolic content, total flavonoid contents, antioxidant activity and antimicrobial activity of ethanolic extract from stems (S) and leaves (L) of Impatiens balsamina L. (Balsaminaceae), which were harvested in Korea on March 10, 2011 (S1 and L1),
Phenolic constituents of the aerial parts of Impatiens glandulifera Royle (Balsaminaceae) and their antioxidant activities.
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As a continuation of investigating Impatiens L. genus, eight flavonoids, eriodyctiol, eriodyctiol 7-O-β-ᴅ-glucoside, kaempferol 3-O-β-ᴅ-glucoside, kaempferol 3-O-β-ᴅ-galactoside, kaempferol 3-rhamnosyl-di-glucoside, kaempferol 3-O-β-ᴅ-rutinoside, quercetin 3-O-β-ᴅ-glucoside and quercetin
Comparison of the Essential Oil Composition of Selected Impatiens Species and Its Antioxidant Activities.
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The present paper describes the chemical composition of the essential oils obtained by hydrodistillation from four Impatiens species, Impatiens glandulifera Royle, I. parviflora DC., I. balsamina L. and I. noli-tangere L. The GC and GC-MS methods resulted in identification of 226 volatile compounds
Antioxidant and antimicrobial properties of various solvent extracts from Impatiens balsamina L. stems.
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The antioxidant and antimicrobial activities as well as the quantity of phenolic substances of Impatiens balsamina L. stem extracts obtained with various solvent were determined in this study. All of the extracts possessed moderate antioxidant potential in the 1,1-diphenyl-2-picrylhydrazyl (DPPH)
Effects of CO(2) enrichment on growth and development of Impatiens hawkeri.
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The effects of CO(2) enrichment on growth and development of Impatiens hawkeri, an important greenhouse flower, were investigated for the purpose of providing scientific basis for CO(2) enrichment to this species in greenhouse. The plants were grown in CO(2)-controlled growth chambers with 380 (the
Evaluating the molecular, physiological and behavioral impacts of CO2 narcosis in bumble bees (Bombus impatiens).
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Exposure to carbon dioxide (CO2) has pleiotropic effects in many insect species, ranging from eliciting rapid behavioral responses such as attraction, to dramatic physiological changes, including ovary activation. In bumble bees, CO2 narcosis causes queens to bypass diapause and initiate egg laying,
Preliminary Characterization and Bioactivities of Some Impatiens L. Water-Soluble Polysaccharides.
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Preliminary characterization and bioactivity of water-soluble polysaccharides from four Impatiens species-I. glandulifera Royle, I. parviflora DC., I. balsamina L., and I. noli-tangere L.-were investigated. The yields of polysaccharides range widely from 1.97% for I. parviflora roots to 18.63% for
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