Inventory of health materials for improving immunity

Inventory of health materials for improving immunity

Time:2022-09-23 Hits:
Inventory of health materials for improving immunity
 
Immune health has always been a concern of consumers. Nutritional health products related to improving immunity usually sell well, but it is not easy to persuade consumers to buy such products every day. Most consumers do not talk about immune health every day. Many people think of the need to strengthen their own immunity only when they are in poor health or have a fever or cold. In February 2020, the "coronavirus" caused a serious situation and once again focused people's attention on "immune health".
 
In the quick guide to diagnosis and treatment of novel coronavirus pneumonia first formulated by the expert group of Tongji Hospital, it is mentioned that "for people with poor immune function, such as the elderly, pregnant women or those with liver and kidney dysfunction, the disease progresses relatively faster and the severity is higher". That is to say, under the same objective conditions, individuals with strong immunity are less likely to be infected by the virus.
 
On January 31, 2020, the Chinese Center for Disease Control and prevention issued the public prevention guidelines for pneumonia infected by novel coronavirus: interim guidelines for dietary nutrition, which explicitly mentioned the role of nutrient supplements and nutritious supplementary foods. Dietary nutritional supplements are selected to ensure adequate intake of trace elements and vitamins, especially zinc, vitamin A and other immune related micronutrients, as well as vitamin C, E and other micronutrients with strong antioxidant capacity.
 
In addition to vitamins and minerals, what other natural functional raw materials play a role in immune health?
 
echinacea
 
Echinacea purpurea, also known as echinacea, is the most commonly used plant medicine for immune health in Europe and the United States. Its traditional edible history can be traced back to the original inhabitants of the American Plateau. With the increase of research, the effect of Echinacea purpurea has been confirmed by more studies. For example, more and more studies have shown that echinacea can help prevent and treat upper respiratory tract infections caused by cold and flu. But at present, a big problem faced by Echinacea purpurea in clinical application is that there are too many sources and varieties of Echinacea purpurea preparations commonly used. For example, there are mainly three kinds of echinacea, echinacea narrow leaf and echinacea white currently used, and the parts used vary from root to leaf to flower. At the same time, there are different methods of use. You can use dry roots, dry leaves, fresh juice, etc.
 
In 2007, a comprehensive analysis published by the Lancet Journal of Infectious Diseases showed that echinacea could reduce the risk of common cold by 60%; The University of Connecticut analyzed the results of 14 studies. One study found that echinacea combined with vitamin C could reduce cold symptoms by 65%; A large study released in 2012 showed that echinacea could shorten the duration of the common cold by 26% and reduce the number of relapses by 60%. This study was a gold standard randomized, double-blind, parallel controlled study involving 755 patients.
 
Elderberry
 
European elderberry, also known as black elderberry, is a kind of berry, mainly from Europe, rich in flavonoids, and also an effective component of anti-virus effect. Human studies have shown that elderberry can reduce the duration of influenza and reduce symptoms. A randomized, double-blind, placebo-controlled clinical trial was conducted in 2016 to evaluate the impact of an anthocyanin standard elderberry extract on long-distance international flight passengers who are particularly vulnerable to illness. The results showed that Elderberry extract reduced the influenza infection rate of these passengers to below 35%, and the number of colds decreased by one third. The duration of three colds was relatively short, and the severity of colds was significantly reduced.
 
In addition, concentrated juice or juice powder of Sambucus williamsii can be used as raw materials of ordinary food or functional food in China, but there can be no functional claims. For example, health claims need to be registered as health food.
 
Lycopene
 
Known as "plant gold", it has been proved by research that it has strong antioxidant capacity, which is about 100 times that of vitamin E. Lycopene not only has obvious effects in anti-aging, anti-cancer and enhancing human immunity, but also helps prevent and treat high cholesterol and hyperlipidemia in cardiovascular disease prevention. It has been reported that oral administration of natural lycopene can reduce serum cholesterol to below 5.2mmo1/L, which is conducive to slowing down the development of cardiovascular disease.
 
Inhibiting the overexpression of adhesion molecules by inhibiting NF kB signal may be one of the main mechanisms by which carotenoids reduce the adhesion of inflammatory leukocytes to endothelial cells. In 2012, a study found that lycopene and lutein can improve the function of endothelial cells and reduce the verified NF kB signal of endothelial cells, which is the first in-depth study on the mechanism of natural tomato products playing an active role in endothelial cells.
 
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