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Antioxidant and antibacterial activity of extracts, fractions and isolated substances from the flowers of Acacia podalyriifolia A. Cunn. ex G. Don BJPS
Andrade,Cláudia Alexandra de; Carvalho,João Luiz de Souza; Cunico,Miriam Machado; Lordello,Ana Luísa Lacava; Higaskino,Carmen Etsuko Kataoka; Almeida,Siumara Costa da Cruz; Dias,Josiane de Fátima Gaspari; Kerber,Vitor Alberto; Miguel,Marilis Dallarmi; Miguel,Obdúlio Gomes.
The extracts and fractions from the flowers of A. podalyriifolia were analyzed previously for antibacterial activity using diffusion in disk, Antioxidant properties were evaluated by determining radical scavenging power (DPPH test) and total phenol content was measured (Folin method). The present study describes the in vitro antibacterial (determining minimum inhibitory concentration) and antioxidant activities (by thiobarbituric acid reactive species - TBARS method) for the ethanol extract, dichloromethane and ethyl acetate fractions and two flavanones (naringenin and 5-β-D-glycosyl-naringenin) isolated from the flowers of Acacia podalyriifolia A. Cunn. ex G. Don. The flavanones naringenin and 5-β-D-glycosyl-naringenin had not previously been obtained...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Acacia podalyriifolia/qualitative analysis; Acacia podalyriifolia/phytochemistry; Acacia podalyriifolia/antibacterial activity; Acacia podalyriifolia/antioxidant properties; Flavanones; 5-β-D-glycosyl-naringenin; Naringenin.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502010000400013
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Effects of some phenolic compounds on soybean seed germination and on seed-borne fungi BABT
Colpas,Flávia Tavares; Ono,Elizabeth Orika; Rodrigues,João Domingos; Passos,José Raimundo de Souza.
Studies were carried out on the effects of coumarin, ferulic acid and naringenin on soybean seed germination and on the growth of seed-borne fungi at concentrations of 50 and 100 mg.L-1. The compounds showed good inhibition of seed germination, especially at 50 mg.L-1, but little fungistatic activity. Possible mechanisms of action are discussed.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max; Soybean; Phenolics; Coumarin; Ferulic acid; Naringenin.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132003000200003
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Naringenin regulates production of matrix metalloproteinases in the knee-joint and primary cultured articular chondrocytes and alleviates pain in rat osteoarthritis model BJMBR
Wang,C.C.; Guo,L.; Tian,F.D.; An,N.; Luo,L.; Hao,R.H.; Wang,B.; Zhou,Z.H..
Inflammation of cartilage is a primary symptom for knee-joint osteoarthritis. Matrix metalloproteinases (MMPs) are known to play an important role in the articular cartilage destruction related to osteoarthritis. Naringenin is a plant-derived flavonoid known for its anti-inflammatory properties. We studied the effect of naringenin on the transcriptional expression, secretion and enzymatic activity of MMP-3 in vivo in the murine monosodium iodoacetate (MIA) osteoarthritis model. The assessment of pain behavior was also performed in the MIA rats. The destruction of knee-joint tissues was analyzed microscopically. Moreover, the effect of naringenin was also studied in vitro in IL-1β activated articular chondrocytes. The transcriptional expression of MMP-3,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Metalloproteinase; Osteoarthritis; Naringenin; Chondrocyte; Knee-joint; Rat MIA model.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2017000400603
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