In this paper, we explore the adsorption potential of catechin (CT) loaded composite microspheres and provide a new micron scale carrier of functional factor. Chitosan (CS) modified rice porous starch (RPS/CS) was used as a CT adsorption carrier to prepare bioactive CT-loaded composite microspheres (CT@RPS/CS). The adsorption kinetics, storage characteristics, and biological activity maintenance of CT@RPS/CS were studied in an aqueous solution, and the sustained-release characteristics of CT@RPS/CS were studied during simulated gastrointestinal digestion. An aqueous solution further studied the removal characteristics of adsorbed heavy metal ion Pb. RPS/CS can significantly improve the ability to adsorb CT. RPS/CS can also significantly improve CT's storage stability, antioxidant stress, and slow-release characteristics, and the sustained release effect in gastric and intestinal juice. CT@RPS/CS can be removed Pb by adsorbing in the solution, and their adsorption was physical adsorption and chemisorption, but the primary interaction is chemisorption. CT@RPS/CS can be used as a micron carrier of new food functional factors, which has potential space for improving and expanding the functional characteristics of its loaded functional factors and the endowing of new functions.
Download full-text PDF |
Source |
---|---|
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9364094 | PMC |
http://dx.doi.org/10.1016/j.heliyon.2022.e10048 | DOI Listing |
Materials (Basel)
December 2024
Department of Architecture, Faculty of Science and Technology, Tokyo University of Science, Noda City 278-8510, Japan.
A fundamental study has been conducted on the effective utilization of rice husk ash (RHA) in concrete. RHA is an agricultural byproduct characterized by silicon dioxide as its main component, with a content of 90% or more and a porous structure that absorbs water during mixing, thereby reducing fluidity. The quality of RHA varies depending on the calcination environment; however, the effect is not consistent.
View Article and Find Full Text PDFNanomaterials (Basel)
January 2025
Faculty of Engineering & Technology, Marwadi University, Rajkot-Morbi Road, Rajkot 360003, Gujarat, India.
Lead (Pb) is a highly toxic heavy metal that causes significant health hazards and environmental damage. Thus, the detection and removal of Pb ions in freshwater sources are imperative for safeguarding public health and the environment. Moreover, the transformation of single resources into multiple high-value products is vital for achieving sustainable development goals (SDGs).
View Article and Find Full Text PDFFood Chem
January 2025
Experimental Education/Administration Center, National Demonstration Center for Experimental Education of Basic Medical Sciences, Key Laboratory of Functional Proteomics of Guangdong Province, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, Guangdong Province, China. Electronic address:
The correlation among the hierarchical structure, physicochemical properties, and nutritional functions of porous rice starch after absorbing and complexing with (-)-epigallocatechin gallate palmitate (P-EGCG) under mild temperatures at different reaction times were investigated. The P-EGCG loading rate (19.6 %-28.
View Article and Find Full Text PDFInt J Biol Macromol
December 2024
College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
Cellulose was extracted from rice straw waste by the intergrated technique of CHOH/HO, dilute alkali treatment and HO bleaching process, and rice straw-derived cellulose acetate was obtained by the acetylation reaction of cellulose. Flexible porous 3D biochars were constructed by the electrospinning, NaBH foaming and calcination process. Effects of calcination temperature, adsorption time, pH, pollutant concentration, interfering anions, and cycle times on the adsorption performance of 3D biochar were systematically investigated.
View Article and Find Full Text PDFSmall
December 2024
Chemistry Department, Indian Institute of Technology Bombay, Mumbai, Maharashtra, 400076, India.
Bidirectional oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) electrocatalysts are key for molecular oxygen-centric renewable energy transduction via metal-air batteries. Here, a molecular cobalt complex is covalently tethered on a strategically functionalized silica surface that displayed both ORR and OER in alkaline media. The detailed X-ray absorbance spectroscopy (XAS) studies indicate that this catalyst retains its intrinsic molecular features while playing a central role during bidirectional electrocatalysis and demonstrating a relatively lower energy gap between O/HO interconversions.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!