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  French Confusion and New Discovery

  French per capita saturated fatty acid intake and other developed countries are roughly the same, but the average life expectancy of the French longer, which is the famous "confused in France." Researchers in-depth investigation found that the French people have the habit of drinking red wine, and this diet is the French average life expectancy is relatively long reason. But recent research has found that not drinking all red wines can protect blood vessels and prolong life.

  Vascular protection of God: polyphenols

  The polyphenols of red wine are mainly a mixture of proanthocyanidins, anthocyanins, catechins, resveratrol and gallic acid. Procyanidins are polymers of catechins or epicatechin. Tannins and tannins are commonly known as procyanidins. Procyanidins have both A and B structures. According to high performance liquid chromatography - mass spectrometry, the strongest biological activity in red wine is B - type low molecular weight procyanidin, including tetrameric catechins gallate, trimboxine gallate, tetrameric catechins And pentaphyllate gallate. They are also active ingredients in chocolate.

  Studies have shown that endothelin-1 is a compound that has vasoconstrictor function secreted by human endothelial cells and bovine endothelial cells. The high concentration of endothelin-1 in the blood is a risk factor for vascular disease and atherosclerosis. In order to determine what elements of protection in red wine, the research team at the University of Glasgow, Scotland, conducted an in-depth study of red wine produced in France and around the world. They collected more than 100 red wines from around the world and added red wine diluted with water to the solution of cultured bovine arterial endothelial cells. The results showed that red wine with high concentration of procyanidins had the strongest inhibitory effect on the production of endothelin-1.

  Red wine that can prevent coronary heart disease

  In order to determine the relationship between the content of low molecular weight procyanidins in red wine produced in different regions and the mortality rates, the researchers compared the red wines produced in different countries to the red wines produced in the two regions. The results showed that only the consumption of more than 5 mg of red wine per liter of polyphenols had a role in inhibiting the formation of endothelin-1. But this red wine is only produced in the southwest of France and Italy Sardinia, and are only sold locally.

  After testing, the two regions of the production of red wine low molecular weight procyanidins content than other red wine 2 to 4 times higher. For example, in the 58 red wines produced in southwestern France, the average concentration of low molecular weight procyanidins is 2.9 milligrams per liter and the average concentration of low molecular weight procyanidins is up to 1.8 milligrams per liter in 61 red wines produced in other parts of France. The average concentration of low molecular weight procyanidins in the 227 red wines produced in the rest of the world is 1.5 milligrams per liter. The survey found that the southwest of France and Italy, Sardinia 75 years old men do more.

  The health of red wine needs to be improved

  There are two reasons for the low content of low-molecular-weight procyanidins produced in the southwestern part of France. Tannate's grapes are endemic to the genus, and the procyanidins are high. Second, the traditional brewing technology can extract these ingredients effectively. The Therefore, in order to produce in other areas to prevent the role of coronary heart disease red wine, researchers still need from the breeding and brewing technology in-depth study.
  

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