Background: Potato starch (PS) is widely used in food, but its application is limited because of its poor heat resistance and easy aging. Therefore, it is necessary to adopt some modification methods to improve its performance and expand its application range.
Results: To improve these shortcomings of PS, the effect of yeast β-glucan (YG) at different concentrations (0%, 1%, 2% and 3%, w/v) on the gelatinization, structure and in vitro digestive properties of PS were investigated. The interaction of YG with PS was different because of different molecular weights. The addition of YG reduced the peak viscosity and increased the final viscosity of PS. YG made the texture of PS gel softer, and the effect of low molecular weight YG was more obvious. YG enhanced the thermal stability of PS. Fourier transform infrared spectroscopy showed that YG and PS interacted through hydrogen bonds. In addition, YG reduced the digestibility of PS in vitro.
Conclusion: Collectively, the addition of β-glucan to PS can serve as a new approach to enhance the technological properties of PS in food applications. These results will provide theoretical basis for PS to develop into functional food. © 2024 Society of Chemical Industry.
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http://dx.doi.org/10.1002/jsfa.13971 | DOI Listing |
Life Sci Alliance
April 2025
Telethon Institute of Genetics and Medicine, TIGEM, Pozzuoli, Italy
Protein aggregates in motoneurons, a pathological hallmark of amyotrophic lateral sclerosis, have been suggested to play a key pathogenetic role. ALS8, characterized by ER-associated inclusions, is caused by a heterozygous mutation in VAPB, which acts at multiple membrane contact sites between the ER and almost all other organelles. The link between protein aggregation and cellular dysfunction is unclear.
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January 2025
Life Science, Bar Ilan University, Ramat Gan, Israel. Electronic address:
Saccharomyces cerevisiae, a model eukaryotic organism with a rich history in research and industry, has become a pivotal tool for studying Adenosine Deaminase Acting on RNA (ADAR) enzymes despite lacking these enzymes endogenously. This chapter reviews the diverse methodologies harnessed using yeast to elucidate ADAR structure and function, emphasizing its role in advancing our understanding of RNA editing. Initially, Saccharomyces cerevisiae was instrumental in the high-yield purification of ADARs, addressing challenges associated with enzyme stability and activity in other systems.
View Article and Find Full Text PDFPlant Physiol Biochem
January 2025
Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China. Electronic address:
The major phytochemicals in the roots of Cudrania tricuspidata are prenylated xanthones, exhibiting significant structural diversity and bioactive properties, such as anti-inflammatory, antioxidative, and antitumor effects. The biosynthetic pathways of these compounds have not yet been resolved, limiting their production through synthetic biology. In this study, benzoyl-coenzyme A (CoA) ligase (BZL), benzophenone synthase (BPS), and benzophenone 3'-hydroxylase (B3'H) transcripts involved in the biosynthesis of xanthone were cloned and characterized from C.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
February 2025
Department of Microbiology, Blavatnik Institute, Harvard Medical School, Boston, MA 02115.
The cytoplasmic membrane of bacteria is composed of a phospholipid bilayer made up of a diverse set of lipids. Phosphatidylglycerol (PG) is one of the principal constituents and its production is essential for growth in many bacteria. All the enzymes required for PG biogenesis in have been identified and characterized decades ago.
View Article and Find Full Text PDFInt J Syst Evol Microbiol
January 2025
Department of Microorganisms, Leibniz Institute DSMZ German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany.
An obligately anaerobic, spore-forming sulphate-reducing bacterium, strain SB140, was isolated from a long-term continuous enrichment culture that was inoculated with peat soil from an acidic fen. Cells were immotile, slightly curved rods that stained Gram-negative. The optimum temperature for growth was 28 °C.
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