To improve probiotics' survivability during gastrointestinal digestion and heat treatment, was microencapsulated by spray-drying using polysaccharide/sodium caseinate/gelatin (LJP/SC/GE) composites. Thermogravimetry and differential scanning calorimetry results revealed that the denaturation of LJP/SC/GE microcapsules requires higher thermal energy than that of SC/GE microcapsules, and the addition of LJP may improve thermal stability. Zeta potential measurements indicated that, at low pH of the gastric fluid, the negatively charged LJP attracted the positively charged SC/GE, helping to maintain an intact microstructure without disintegration.
View Article and Find Full Text PDFTo improve the survivability of probiotics, was microencapsulated using pufferfish skin gelatin (PSG)-based wall materials by spray-drying. This work investigated the protective effect of three different pH-dependent proteins (sodium caseinate (SC), soy protein isolate (SPI), and whey protein isolate (WPI)) combined with PSG on . The experimental results of spray-drying with an inlet temperature of 120 °C and an outlet temperature of 80 °C, storage at 4 °C for 6 months, simulated digestion, and turbidity indicated that PSG/SC had better stability and encapsulation effects and was more suitable to encapsulate than PSG/SPI and PSG/WPI.
View Article and Find Full Text PDFTo be successfully implemented, an efficient conversion, affordable operation and high values of CO -derived products by electrochemical conversion of CO are yet to be addressed. Inspired by the natural CaO-CaCO cycle, we herein introduce CaO into electrolysis of SnO in affordable molten CaCl -NaCl to establish an in situ capture and conversion of CO . In situ capture of anodic CO from graphite anode by the added CaO generates CaCO .
View Article and Find Full Text PDFIn this study, a novel photocatalytic self-cleaning nanofiltration (NF) membrane was fabricated by constructing aspartic acid-functionalized graphene quantum dots (AGQDs) into the polydopamine/polyethyleneimine (PDA/PEI) selective layer via the co-deposition method. The chemical composition, microstructure, and hydrophilicity of the prepared membranes were characterized by scanning electron microscopy (SEM), atomic force microscopy (AFM), attenuated total reflection (ATR-FTIR), X-ray photoelectron spectroscopy (XPS), and water contact angle (WCA). Meanwhile, the effects of PEI molecular weight and AGQDs concentration on NF membrane structures and separation performance were systematically investigated.
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