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Lipoxygenases (LOXs): Will turning off this genetic switch help safeguard the flavor and nutritional quality of stored lipid-rich staple foods?
Food Chem
April 2025
Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, India.
Beyond storage capacity, long-term grain storage faces significant challenges due to the activity of lipoxygenases (LOXs). These enzymes catalyze the production of volatiles from free fatty acids, leading to stale odors and off-flavors. These changes degrade the quality of stored grains, even under regulated conditions, affecting the profitability of stored products to the farmers and the assurance of high-quality food for consumers.
View Article and Find Full Text PDFInvestigation of the impact of cold plasma pretreatments, long term storage and drying on physicochemical properties, bioactive contents and microbial quality of 'Keitt' mango.
Heliyon
November 2024
Department of Food Science, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Stellenbosch, 7600, South Africa.
Article Synopsis
- The study explores the use of cold plasma treatment to improve the quality and shelf-life of 'Keitt' mangoes, focusing on their nutritional content and microbial stability during storage.
- Fresh mangoes were treated in various ways (CP for 5 and 10 minutes, chemical dip, or left untreated) and then stored for 30 days before being dried at 60°C.
- Results indicated that cold plasma treatment led to lower total soluble solids (TSS) and flavanol levels compared to untreated mangoes, but still effectively reduced microbial counts and improved storage stability.
Microfluidic-Integrated Chip Resonators for Electron Spin Sensing in Submicromolar, Submicroliter Solutions.
Anal Chem
October 2024
National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States.
Planar or chip microresonators decrease the sample volume required for magnetic resonance spectroscopies to the nanoliter scale. However, the interrogation of nanoliter-scale solution samples on planar sensors is hindered by the lack of microfluidic devices that can simultaneously provide a small total volume and long-term sample stability. Here, we report microfluidic devices that decrease the total required sample volume to the submicroliter scale and also provide long-term physical stability and storability.
View Article and Find Full Text PDFIntegrated multispectral imaging, germination phenotype, and transcriptomic analysis provide insights into seed vigor responsive mechanisms in quinoa under artificial accelerated aging.
Front Plant Sci
September 2024
College of Grassland Science, Qingdao Agricultural University, Qingdao, China.
Seed vigor is an important trait closely related to improved seed quality and long-term germplasm conservation, and it gradually decreases during storage, which has become a major concern for agriculture. However, the underlying regulatory mechanisms of seed vigor loss in terms of genes remain largely unknown in quinoa. Here, two cultivars of quinoa seeds with different storage performance, Longli No.
View Article and Find Full Text PDFTriple-layered core-shell fiber dressings with enduring platelet conservation and sustained growth factor release abilities for chronic wound healing.
Regen Biomater
March 2024
Guangdong-Hong Kong Joint Laboratory for New Textile Materials, School of Textile Science and Engineering, Wuyi University, Jiangmen 529020, China.
Platelet-rich plasma (PRP) is one of the most popular biomaterials in regenerative medicine. However, the difficulties encountered in its preservation, and the requirement for on-demand preparation severely limit its application. In addition, its rapid degradation in the wound microenvironment makes the sustained release of growth factors impossible and finally reduces the therapeutic effect on chronic wounds.
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