期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 194, 期 -, 页码 422-434出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2021.11.084
关键词
Green alga; Ulvan; Ulva polysaccharides; Nutraceuticals; Healthy aging
资金
- Key Project of the Natural Science Foundation of Fujian Province [2020J02032]
- Fujian Agriculture and Forestry University, Key Laboratory of Marine Biotechnology of Fujian Province [KSYLX013, 2020MB05]
Various theories are constantly proposed to explain the mechanisms of aging, including oxidative stress, DNA dysfunction, inflammation, etc., which lead to the development of various diseases. Ulva polysaccharides have emerged as desirable materials for maintaining health due to their special structures and multiple functions.
Several theories for aging are constantly put forth to explain the underlying mechanisms. Oxidative stress, DNA dysfunction, inflammation, and mitochondrial dysfunction, along with the release of cytochrome c are some of these theories. Diseases such as type 2 diabetes mellitus, intestinal dysfunction, cardiovascular diseases, hepatic injury, and even cancer develop with age and eventually cause death. Ulva polysaccharides, owing to their special structures and various functions, have emerged as desirable materials for keeping healthy. These polysaccharide structures are found to be closely related to the extraction methods, seaweed strains, and culture conditions. Ulvan is a promising bioactive substance, a potential functional food, which can regulate immune cells to augment inflammation, control the activity of aging-related genes, promote tumor senescence, enhance mitochondrial function, maintain liver balance, and protect the gut microbiome from inflammatory attacks. Given the desirable physiochemical and gelling properties of ulvan, it would serve to improve the quality and shelf-life of food.
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