|
|
|
|
|
SIMÃO,ANDERSON A.; MARQUES,TAMARA R.; MARCUSSI,SILVANA; CORRÊA,ANGELITA D.. |
ABSTRACT Leaves of Psidium guajava L. (guava) have been widely used in the popular way for prevention and treatment of various diseases. Thus, the objective of this study was to evaluate the inhibitory potential of leaves aqueous extract from three cultivars of P. guajava (Pedro Sato, Paluma and Século XXI) on α-amylase, α-glycosidase, lipase, and trypsin enzymes, in the presence or not of simulated gastric fluid and to determine the content of phenolic compounds by high performance liquid chromatography. All cultivars presented the same composition in phenolic compounds, but in different proportions. The compounds identified are gallic acid, epigallocatechin gallate, syringic acid, o-coumaric acid, resveratrol, quercetin, and catechin (which was the major... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Medicinal plants; Obesity; Α-amylase; Α-glycosidase; Lipase; Trypsin. |
Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000502155 |
| |
|
|
OLIVEIRA,CARLOS H.M.; SIMÃO,ANDERSON A.; TRENTO,MARCUS V.C.; CÉSAR,PEDRO H.S.; MARCUSSI,SILVANA. |
ABSTRACT The enzyme inhibition by natural and/ or low-cost compounds may represent a valuable adjunct to traditional serotherapy performed in cases of snakebite, mainly with a view to mitigate the local effects of envenoming. The objective of this study was to evaluate possible interactions between vitamins and enzymes that comprise Bothrops atrox and Crotalus durissus terrificus venoms, in vitro. Proteolysis inhibition assays (substrates: azocasein, collagen, gelatin and fibrinogen), hemolysis, coagulation, hemagglutination were carried out using different proportions of vitamins in face of to inhibit minimum effective dose of each venom. The vitamins were responsible for reducing 100% of breaking azocasein by C.d.t. venom, thrombolysis induced by B.... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antiophidian properties; Antioxidants; Blood cells; Hemostatic processes; Natural inhibitors. |
Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000502005 |
| |
|
|
|