2024-01-17 08:25:00
[현대건강신문=여혜숙 기자] A study showed that vitamin D, which is well-known for preventing osteoporosis and depression, also prevents senile fatty liver disease.
The Korea Disease Control and Prevention Agency’s National Institute of Health announced that it was the first to determine that vitamin D can directly suppress the formation of non-alcoholic fatty liver disease (NAFLD), which occurs due to natural aging.
Non-alcoholic fatty liver disease refers to a case where more than 5% of fat is deposited in the liver. In particular, 40.4% of people over 65 years of age in Korea suffer from non-alcoholic fatty liver disease.
In particular, fatty liver disease can cause liver fibrosis, cirrhosis, and liver cancer, as well as chronic diseases such as type 2 diabetes, cardiovascular disease, and dementia. It is known that in patients with non-alcoholic fatty liver disease, the prevalence of type 2 diabetes increases 2.2 times, cardiovascular disease increases 1.6 times, and dementia increases 8%.
The National Institute of Health said, “Compared to Westerners, the number of patients with vitamin D deficiency is increasing among Koreans, and vitamin D deficiency is known to increase significantly in the aging elderly population,” adding, “Vitamin D is associated with the development of diabetes and non-alcoholic fatty liver disease. “There is research showing that it is related, but its effect and mechanism of action are not exactly known,” he explained.
According to data from the Health Insurance Review and Assessment Service, the number of vitamin D deficiency patients in Korea amounts to 73.7% of all nutrient deficiency patients, and has more than tripled in four years from 86,285 in 2017 to 247,077 in 2021.
Through experiments using aging mice, the research team at the National Institute of Health’s Endocrine and Kidney Disease Research Department proved for the first time in the world that vitamin D deficiency caused by natural aging drastically reduces the amount of Micos 60, a protein that regulates the mitochondrial inner membrane structure, thereby significantly increasing fat accumulation in the liver. It was announced that it was done.
Additionally, it was demonstrated that supplementing sufficient amounts of vitamin D in aging mice directly increases Mycos 60 protein and inhibits fatty liver formation.
The results of this study were published in the January online edition of ‘Experimental Molecular Medicine’, a world-renowned academic journal in the field of medical science.
Park Hyun-young, director of the National Institute of Health, said, “The results of this study are meaningful studies that directly reveal the preventive effect of vitamin D and its regulatory mechanism in a situation where there is a lack of evidence on the effect of vitamin D in preventing fatty liver disease,” adding, “A suitable vitamin for the elderly.” “It is expected that D intake can reduce the occurrence of fatty liver disease due to aging.”
Eggs, an essential part of our diet, are the best food for supplying vitamin D. This is because one large egg provides 10% of your daily need for vitamin D. In addition, blue-backed fish such as sardines and tuna, salmon, and shiitake mushrooms are known to be rich in vitamin D.
Meanwhile, sunlight is the best source of vitamin D, but it is almost impossible for elderly people who have limited mobility or who have to stay indoors due to health reasons to get enough vitamin D from the sun’s ultraviolet rays. In this case, it is a good idea to consume vitamin D through food.
Most foods contain small amounts of vitamin D. In particular, eggs, which are a staple in our diet, are the best food for supplying vitamin D. This is because one large egg provides 10% of your daily need for vitamin D. In addition, blue-backed fish such as sardines and tuna, salmon, and shiitake mushrooms are known to be rich in vitamin D.
Sardines, a type of blue-backed fish, are also a food rich in vitamin D. Two sardines can provide 12% of your daily vitamin D needs. Another advantage of sardines is that they contain more omega-3 fat than salmon or tuna.
Canned tuna is also rich in vitamin D. Consuming regarding 85g of canned tuna provides almost 40% of your daily vitamin D requirement. Canned tuna is also a great source of protein and selenium.
Salmon is also a fish rich in vitamin D. There is also a salmon variety that provides 112% of the recommended daily intake of vitamin D in just 85 grams. Salmon is also an excellent source of omega-3 fats, which are beneficial for brain, heart, and skin health.
Sun-dried shiitake mushrooms are also known to be a food rich in vitamin D. Just as humans produce vitamin D in the body when exposed to sunlight, the vitamin D content of mushrooms also increases when exposed to ultraviolet rays. In particular, shiitake mushrooms are rich in ergosterol, the precursor of vitamin D, and 100g of sun-dried shiitake mushrooms contain up to 40㎍ of vitamin D.
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