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A sulfated exopolysaccharide derived from Chlorella sp. exhibiting in vitro anti-α-D-Glucosidase activity.
Arch Microbiol
April 2024
Department of Agriculture Food Environment and Forestry (DAGRI), University of Florence, 50144, Florence, Italy.
There is a great scientific curiosity to discover all environments sheltering microalgae, especially those with exceptional characteristics from coldest to hottest ones, the purpose remains to explore the potential of the native microalgae flora and the research for new bioactive compounds. This study aimed to isolate a polysaccharide-producing microalga from an extreme ecosystem and to evaluate its capacity to inhibit the α-D-glucosidase enzyme. Chlorella strain is isolated from hypersaline Lake in the Algerian desert.
View Article and Find Full Text PDFBiodegradability of Novel Polylactide and Polycaprolactone Materials with Bacteriostatic Properties Due to Embedded Birch Tar in Different Environments.
Int J Mol Sci
September 2021
Department of Genetics, Faculty of Biology and Veterinary Science, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland.
The microbial biodegradation of new PLA and PCL materials containing birch tar (1-10% /) was investigated. Product of dry distillation of birch bark ( Roth) was added to polymeric materials to obtain films with antimicrobial properties. The subject of the study was the course of enzymatic degradation of a biodegradable polymer with antibacterial properties.
View Article and Find Full Text PDFIn vitro and in silico inhibition properties of fucoidan against α-amylase and α-D-glucosidase with relevance to type 2 diabetes mellitus.
Carbohydr Polym
April 2019
CAS in Marine Biology, Annamalai University, Parangipettai, 608502, Tamil Nadu, India.
This study investigated the in vitro and in silico inhibitory properties of fucoidan extracted from Turbinaria conoides against α-amylase and α-D-glucosidase. Extracted fucoidan contained 59 and 35% of fucose and sulphate and was characterized using H NMR. Dose dependent inhibition assays showed maximum of 85 and 72% of inhibition for α-amylase and α-D-glucosidase at 2.
View Article and Find Full Text PDFInhibitory effects of polysaccharide from Diaphragma juglandis fructus on α-amylase and α-d-glucosidase activity, streptozotocin-induced hyperglycemia model, advanced glycation end-products formation, and HO-induced oxidative damage.
Int J Biol Macromol
March 2019
State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing 100048, PR China; Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, PR China. Electronic address:
In present study, the in vitro and in vivo hemolysis inhibitory, protective effect against reactive oxygen species (ROS) induced oxidative damage in L02 cells, hypoglycemic, and antiglycation activities of DJP-2, a pure polysaccharide fraction from Diaphragma juglandis fructus, were investigated. Results demonstrated that DJP-2 showed remarkable hemolysis inhibitory activity. Pretreatment with DJP-2 markedly weakened the oxidative damage induced by HO in hepatic L02 cells via strengthening the cell viability.
View Article and Find Full Text PDFPurification and characterization of a novel α-D-glucosidase from Lactobacillus fermentum with unique substrate specificity towards resistant starch.
J Gen Appl Microbiol
January 2018
Department of Biochemistry, CSIR-Central Food Technological Research Institute.
Resistant starch is not digestible in the small intestine and is fermented by lactic acid bacteria in the large intestine into short chain fatty acids, such as acetate, propionate and butyrate, which result in several health benefits in analogy with dietary fibre components. The mode and mechanism of resistant starch degradation by lactic acid bacteria is still not understood. In the present study, we have purified α-D-glucosidase from Lactobacillus fermentum NCDC 156 by employing three sequential steps i.
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