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Impact of the unconventional extraction on antioxidants and antimicrobial characteristics of hibiscus and olive leaves extracts.
Heliyon
January 2025
Food Science Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt.
The antioxidant extracts considered a very important food additive which promoting the protection of lipid and prolong the shelf life of food products. The aim of this investigation was decrease the time of extraction of hibiscus leaves extract (HLE) and olive leaves extract (OLE) from 48 h to only 6 h without reducing efficiency of these extracts. HPLC assay, scavenging radical activity by DPPH˙ (IC), inhibition lipid peroxidation by both β-Carotene/Linoleic Acid Bleaching (βCB) and Thiobarbituric Acid Reactive Substances (TBARs) assays, antibacterial and antifungal activities measured for different concentrations of ethanolic extracts by conventional extraction (CE) and difference in pressure extraction (DPE) methods, and the results shown a considerable in mean difference ( < 0.
View Article and Find Full Text PDFAssociation of oxidative balance score with the risk of all-cause and CVD mortality in younger US adults with diabetes.
Sci Rep
January 2025
School of Medicine, Nankai University, Tianjin, China.
Oxidative balance score (OBS) is a composite measures that assess the balance between pro-oxidant and antioxidant factors in an individual's diet and lifestyle, with higher scores indicating greater antioxidant exposure. Despite its potential significance, there is a limited body of research exploring the relationship between OBS and all-cause and cardiovascular disease (CVD) mortality specifically in younger patients with diabetes. We aimed to investigate the possible relationship between OBS and all-cause and CVD mortality in younger patients with diabetes.
View Article and Find Full Text PDFBiochemical evidence for the diversity of LHCI proteins in PSI-LHCI from the red alga Galdieria sulphuraria NIES-3638.
Photosynth Res
January 2025
Research Institute for Interdisciplinary Science and Graduate School of Natural Science and Technology, Okayama University, Okayama, 700-8530, Japan.
Red algae are photosynthetic eukaryotes whose light-harvesting complexes (LHCs) associate with photosystem I (PSI). In this study, we examined characteristics of PSI-LHCI, PSI, and LHCI isolated from the red alga Galdieria sulphuraria NIES-3638. The PSI-LHCI supercomplexes were purified using anion-exchange chromatography followed by hydrophobic-interaction chromatography, and finally by trehalose density gradient centrifugation.
View Article and Find Full Text PDFBanana rachis nanocellulose: a natural stabilizer for Pickering nanoemulsion and its potential as a carrier of β-carotene in food systems.
J Sci Food Agric
January 2025
Department of Food Engineering and Technology, Tezpur University, Tezpur, India.
Background: Incorporating β-carotene into food systems improves nutritional value by providing a natural source of vitamin A. However, maintaining its stability during processing and storage is a significant barrier for its bioavailability.
Results: This study investigated the utilization of banana rachis nanocellulose (BRNC) as a natural stabilizer in the formulation of Pickering nanoemulsion (PNE).
Anticarcinogenic cationic peptides derived from tryptic hydrolysis of β-lactoglobulin.
Front Mol Biosci
January 2025
Department of Biochemistry, Faculty of Agriculture, Zagazig University, Zagazig, Egypt.
Introduction: This study investigated the tryptic hydrolysis of β-lactoglobulin (BLG) for 30, 60, 90, and 120 min at 1/200 E/S (enzyme/substrate ratio, w/w) to prepare potentially anticarcinogenic peptides.
Methods: The properties of hydrolysates were characterized, including degree of hydrolysis, free amino acids, SDS-PAGE, FTIR, and antioxidant activity employing DPPH-assay, β-carotene/linoleic acid, and FRAP assay.
Results: BLG tryptic hydrolysate produced after 60 min hydrolysis recorded the highest antioxidant activity, and LCMS analysis revealed 162 peptides of molecular masses ranging from 800 to 5671Da, most of them are of hydrophobic nature.
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