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Purification, structural characterization, and in vitro immunomodulatory activity of a low-molecular-weight polysaccharide from cultivated Chinese cordyceps.
Int J Biol Macromol
January 2025
Key Laboratory of State Administration of Traditional Chinese Medicine, Dongguan HEC Cordyceps R&D Co., Ltd., Dongguan, Guangdong 523850, China; College of Medical Imaging Laboratory and Rehabilitation, Xiangnan University, Chenzhou, Hunan 423000, China. Electronic address:
Cultivated Chinese cordyceps, an optimal substitute for the endangered wild resource, has recently been produced on a large scale. This work sought to explore the structural features and immunomodulatory activity of a novel low-molecular-weight polysaccharide (CSP1a, 15.7 kDa) isolated from cultivated Chinese cordyceps.
View Article and Find Full Text PDFThe use of Pleurotus ostreatus by-products for the preparation of a gel-like polysaccharide with bioactive properties.
Int J Biol Macromol
January 2025
Instituto de Pesquisa Pelé Pequeno Príncipe, 80240-020 Curitiba, PR, Brazil; Faculdades Pequeno Príncipe, 80230-020 Curitiba, PR, Brazil. Electronic address:
The mushroom Pleurotus ostreatus is widely produced in Brazil and its stipes are discarded before commercialization. In the present study, this agricultural fungal waste (mushroom stipes), was analyzed by preparing an aqueous extract and obtaining the polysaccharides by ethanol precipitation (POS-extract). The fraction presented 37 % of carbohydrates and small amounts of proteins and phenolic compounds.
View Article and Find Full Text PDFPolysaccharide from steamed Polygonatum sibiricum ameliorates ulcerative colitis by protecting the intestinal mucosal barrier and regulating gut microbiota.
Int J Biol Macromol
January 2025
College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China. Electronic address:
Steamed Polygonatum sibiricum is widely applied in clinical practice for its tonic effect on gastrointestinal tract. A novel polysaccharide named PSSP-EF was extracted from the steamed roots of Polygonatum sibiricum using hot water extraction, ethanol precipitation, and chromatographic purification. PSSP-EF, with a molecular weight of 2.
View Article and Find Full Text PDFStrengthening biopolymer adhesives through ureolysis-induced calcium carbonate precipitation.
Sci Rep
January 2025
Department of Chemical & Biological Engineering, Montana State University, Bozeman, USA.
Common adhesives for nonstructural applications are manufactured using petrochemicals and synthetic solvents. These adhesives are associated with environmental and health concerns because of their release of volatile organic compounds (VOCs). Biopolymer adhesives are an attractive alternative because of lower VOC emissions, but their strength is often insufficient.
View Article and Find Full Text PDFPreparation of gangue-based PKSPGM@ZHS and photocatalytic synergistic adsorption of Ph photocatalytic synergistic adsorption performance study.
Environ Res
January 2025
Key Laboratory of Chemical Additives for China National Light Industry, Shaanxi University of Science and Technology, 710021, Xi'an, China.
For the effective removal of phenol from the environment, photocatalytic synergistic adsorption is currently one of the key methods. By leveraging the polysaccharide backbone structure of sodium alginate (SA), Zinc hydroxystannate (ZHS) was introduced into the gel structure using a co-precipitation technique. Additionally, gangue waste was repurposed through a polymerization reaction.
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