Beta Carotene Powder CAS 7235-40-7

β - carotene is one of the carotenoids widely present in the leaves, flowers, and roots of plants. High quality beta carotene powder is a glossy rhombohedral or crystalline powder, which is an orange yellow fat soluble compound. Studies have found that dilute solutions of β - carotene are orange yellow to yellow, with an orange color when the concentration increases, and may slightly turn red due to different solvent polarities. It is also because of this characteristic that natural foods have multiple colors, so this product is also known as the most common and stable natural pigment in nature.

What are the physiological functions and functions of β-carotene?

The antioxidant activity of β -carotene mainly lies in its ability to scavenge free radicals. According to related research, beta carotene powder contains multiple double bonds, which are easily oxidized in the presence of light, heat, oxygen and active free radical ions, thus protecting the body from being destroyed. We know that there are a lot of lipid peroxidation and free radical reactions in organisms, which lead to the decline of cell function, the aging of the body and the occurrence of diseases. Therefore, the activity of β -carotene in scavenging free radicals, reducing lipid peroxidation and quenching singlet oxygen has attracted widespread attention.

1. Improve visual function and prevent eye diseases.
Rod cells in the retina contain rhodopsin and have the function of dark vision. β -carotene is the precursor of vitamin A, and proper amount of β -carotene can promote the normal content of rhodopsin, thus avoiding the slow adaptation to dark field caused by lack of vitamin A and the damage to eyes caused by strong light after dark field. In addition, it can also prevent night blindness, dry eye, corneal ulcer and keratomalacia;

2. Improve skin condition and reduce radiation damage.

VA is necessary to maintain the integrity of all epithelial tissues, and β -carotene can be transformed into VA in human body. Therefore, taking a certain amount of β-carotene is of great significance for maintaining normal products of body surface, digestive tract, respiratory tract, genitourinary tract and endocrine tract, and can also avoid skin diseases such as skin scurf, keratinization, epidermal cell hard squamous, and keratotic hemorrhagic xerosis. β -carotene also has a good effect on the stability of cell membrane. It can also be used to treat inflammation "solar inflammation" caused by sunlight exposure.

3. Improve immunity and slow down the aging process.

Peroxide free radicals can accelerate human aging, which people call "garbage" of the body. β -carotene can improve the activity of red blood cells and neutralize peroxide free radicals in the body. This has played a role in delaying aging; In addition, β -carotene can enhance the immune function of the body, such as enhancing the vitality of B lymphocytes, improving the ability of CD cells, promoting the production of antibodies by B lymphocytes, promoting the secretion of lysozyme by neutrophils, and promoting the differentiation of phagocytes. These effects are all based on the antioxidant effect of β-carotene, because β -carotene is suitable for people with low immunity, such as people who are prone to colds.

4. Improve cardiovascular function and resist adverse environment.

β -carotene has a good antioxidant effect, which can help improve the oxidative damage of DNA and lipoprotein, reduce the production of low-density lipoprotein and promote the increase of high-density lipoprotein, thus preventing and improving atherosclerosis and reducing the incidence and aggravation of cardiovascular diseases. People who often work in darkroom, strong light, high temperature or deep water, as well as radiation workers and people who often watch TV should be supplemented with β-carotene, which can alleviate the harm of adverse environment to human body.

What adverse reactions will β -carotene produce?

Philosophy tells us that everything is contradictory, and there must be a bad side if there is a good side. As an important precursor of vitamin A, β -carotene can be converted into vitamin A under the action of enzymes in the body, which plays a role in supplementing vitamin A, resisting oxidation and maintaining cell vitality in the body, and is an indispensable nutrient for maintaining human health. However, long-term excessive use may lead to the following two situations:

1. Causes the skin to turn yellow
Beta carotene powder is a kind of orange-yellow natural pigment, which will not be completely converted into vitamin A in the body. Therefore, if you take too much, the rest will be absorbed by the blood, so that the carrot level in the blood will rise, and then it will precipitate in the skin and subcutaneous tissue, which will lead to the yellowing of the skin, which is what we usually call carotene anemia.

2, affecting women's ovulation
For women, taking too much carotene will also lead to a certain inhibition of the normal ovulation function of the ovary, which will impress the synthesis of lutein in the ovary and make the secretion suddenly decrease. If the situation is serious, it will lead to menstrual disorder, such as amenorrhea or anovulation.

How to use Beta Carotene appropriately?

According to the "Hygienic Standards for the Use of Food Nutritional Fortifiers (1993)" issued by the Ministry of Health of China, it can be used for cream and puffed foods with a dosage of 0.2g/kg. The physiological effect of 0.6 μ g of this product is equivalent to 1 international unit (I · U ·) of vitamin A. It is now widely used as a yellow pigment to replace oil soluble tar pigments, such as in butter, cheese, mayonnaise, etc. that already contain carotene, and is widely used in other edible oils, artificial butter, shortening, pastries, bread, etc. When used for oily foods, it is often dissolved in edible oils such as cottonseed oil or suspension preparations (with a content of 30%). After dilution, it is easy to use and can also prevent the oxidation of β - carotene. Antioxidants such as alpha tocopherol, stearoyl ascorbate, BHA, etc. are generally added. The amount of pigment added is relatively small, such as 1.37mg/kg for artificial butter. Combined with vitamin C in fruit juice can improve stability.

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