9 weeks of 2018
Many people believe in the idea of "being born by heart," but in the west, there is a more concrete saying: we are what we eat. For health and for good-looking, many people start smoking cessation, abstain from alcohol, stay away from processed foods or even meat. Because they believe that a person's appearance reflects his way of eating, and vice versa. The beauty of oral products is derived from the beauty of eating. Collagen is one of the most representative products.
How many people have loved your youthful face and know who will endure the cruel changes of years. When young, apoptosis and regeneration of skin cells are very fast, and 28 days can complete a cycle. But as time goes on, the apoptosis of skin cells becomes faster, and updates can't catch up with the rhythm. In middle age, skin cell renewal takes 35 days at a time. Even worse, the water content and texture of the skin also continued to deteriorate, and hyaluronic acid, polysaccharides and collagen were lost more than half. Oily skin also bears the name of "greasy".
1. Collagen is also "look at the face"
In fact, collagen has a place in the field of dietary supplements and sports nutrition, but this does not mean that the two can be used in exchange because they belong to two different protein types. It is understood that there are as many as 16 types of collagen, type I and type III collagen mainly exist in skin, hair, nails, teeth, eyes, tendons, ligaments and bones, and cartilage is mainly supported by type II collagen.
Collagen products that support joint health are usually targeted at cartilage. These products often use type II collagen. Type I and type III collagen are more used for skin healthy collagen products; type I collagen accounts for more than 90% of the collagen in human body, and this type of collagen exists in most organs of the body.
Type I collagen is mainly used in the manufacture of gelatin and general collagen products. It is popular because of its high production and low cost. In fact, many people like beef soup or chicken soup or bone soup, not only because of its taste, but also because of its rich collagen.
However, bone soup is a common collagen, and there is a great difference between the special formula of collagen and the collagen components in the study. The key to the effectiveness of collagen is whether it has been scientifically studied and confirmed in human clinical trials. In view of the complexity of collagen and the different types, sources, molecular sizes, components, and manufacturing methods, it is important to avoid conclusions on the mechanism of the action of simple variables.
Although collagen is good, it can't be eaten more
Many people may think that the more collagen the better, there is a 2500 mg collagen product, also has 5000 milligrams. But the problem is that collagen is a very complex structure, the so-called three helix structure, which is difficult for human body to digest and decompose.
In a double-blind placebo-controlled trial, the researchers evaluated the effect of collagen on wrinkles reduction. In the study, the subjects were 69 women aged 35-55, who were tested for 8 weeks. The results showed that after four weeks, the skin elasticity of the subjects in the experimental group was greatly improved compared with the control group; after 8 weeks, the skin elasticity of the subjects in the experimental group increased by 30%.
In a double-blind double-blind placebo-controlled trial, the researchers recruited 114 healthy women aged 45-65. The subjects were randomly divided into two groups, one group received 2.5 g of daily hydrolyzed collagen and the other group received the same amount of placebo. The test lasted for 8 weeks. After 4 weeks, the results showed that the eye wrinkles of the subjects in the experimental group were reduced by more than 7%, and the wrinkle reduction effect was more significant after 8 weeks. In addition, the researchers found that the level of type I collagen in the experimental group increased by 65% and the elastin level increased by 18%.
It has to be said that although most of the nutritious collagen products are made up of type I and type III collagen, the patented collagen product BioCell Collagen is composed of 60% hydrolysate type II collagen, 20% chondroitin and 10% hyaluronic acid. It is said that it has been proved by clinical research that the formula can promote the human body. Synthesis of collagen. For example, in a clinical trial involving 26 subjects, the subjects consumed 1 grams of BioCell collagen daily for 12 weeks. The results showed that the subjects' facial fine lines and wrinkles decreased by 13%, and the symptoms of skin drying and desiccation decreased by 76%, and the level of type I and type III collagen in the skin of the subjects increased by 3.5%.
2. Beauty products from plant origin
Collagen is really popular in oral cosmetics, but it has a drawback that almost all collagen is extracted from animal raw materials, which is the equivalent of isolating a large number of vegetarians. In this situation, especially the growing number of people concerned about animal welfare, vegetarian food is becoming more and more important. The beauty products from plants are particularly important.
In terms of skin health, antioxidants are important skin care ingredients due to environmental factors. In particular, some natural antioxidants, such as carotenoids, lycopene and polyphenols. Studies have found that collagen in the skin is also damaged by oxidative stress and inflammation, and is constantly degraded. This requires natural antioxidants to balance these processes to protect the collagen network, thereby reducing their degradation.
Golan Raz, director of Reed's health and health department, says lycopene is a natural carotenoid, and carotenoids have a light protective effect on our skin. In a study published in the Journal of the British Institute of Dermatology, the researchers recruited 20 volunteers, a group of 55 grams of ketchup and 10 grams of olive oil, and a group of 10 grams of olive oil, which was used as a control group. The test lasted 12 weeks. The results showed that compared with the control group, the skin burn condition of the experimental group decreased by 33%. This is equivalent to the protection of the 1.3 SPF sun protection factor. Researchers believe tomato lycopene can neutralize excessive reactive oxygen species, that is, free radicals. It is one of the products of ultraviolet radiation.
3. The difference between synthesis and nature
Reed, a previous study published in the International Journal of vitamin and nutrition studies, compared the efficacy of synthetic lycopene, naturally extracted lycopene Lyc-o-Mator and tomato extract. The subjects took 10 milligrams of the above three kinds of lycopene daily for 12 weeks. The results showed that the levels of lycopene in the serum of all the subjects increased, and the levels of carotenoids in the skin increased, but only six of the serum of the natural lycopene group had increased levels of lycopene and eight lycopene. At the beginning, the fourth week and the twelfth week of the experiment, the subjects received the illumination from the solar simulator. The subjects evaluated their light protection ability before and after 24 hours of illumination. The results showed that the light protection effect of the tomato extract group was increased by 35%, the light protection effect of the tomato extract was 48%, and the synthetic lycopene group was raised by 25%.
The comparison between synthetic lycopene and natural lycopene is necessary, because different carotenoids have synergistic effects. Lycopene, an active red carotenoid extracted from tomatoes, has been found to have a variety of skin health benefits, but studies have shown that the synergistic effect of colourless carotenoids and six hydrogen lycopene found in tomatoes is a key factor in promoting skin health, and the combination of the two is more than lycopene itself. The effect is more powerful.
March 2, 2018
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