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Vitamin a price, vitamin a effect, vitamin a food

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What happens to the body when vitamin A is lacking?

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What happens to the body when vitamin A is lacking?

Date of release:2018-11-03 Author: Click:

Vitamin A, what is vitamin A, what is the nutritional value and effect of vitamins? Also known as retinol, it refers to all substances that have the biological activity of retinol. Beta-carotene is a precursor of vitamin A. Vitamin A and carotene vitamin A and carotene are both acid-base, heat-stable, and are not easily destroyed during cooking and canning, but are easily destroyed by oxidation and ultraviolet rays. Because it is fat-soluble, it is recommended to use oil to fry and eat more.

Participate in maintaining normal dark vision. The photoreceptor rhodopsin in human retinal rod cells consists of opsin and retinol from vitamin A. When a person enters the dark from a bright place, it takes a while to synthesize enough rhodopsin to view the object. This process is called dark adaptation. If vitamin A is mildly deficient, it will manifest as a dark adaptation time, and if it is severely lacking, night blindness will occur.

Helps maintain the normal growth and health of epithelial tissue. Vitamin A plays an important role in maintaining the normal growth and differentiation of epithelial tissues and maintaining the functional integrity of epithelial tissues by affecting the synthesis of glycoproteins in epithelial cells. When vitamin A is deficient, the skin is dry and rough. Reduced secretion of lacrimal gland causes dry eyes, corneal dryness and keratosis lead to blindness, mucous membranes of the oral cavity, digestive tract, respiratory tract and urinary tract lose moisture and softness, and easily cause bacterial infection.

It has the function of promoting normal growth and development。 Vitamin A can promote the synthesis of protein, and also participate in maintaining the differentiation of osteoblasts in bone tissue, thereby promoting the normal growth of bone, so it is very important for children's growth and development。

It has anti-cancer effect, vitamin A and its derivatives can promote normal epithelial differentiation, and have anti-initiation gene activity to prevent tumor formation. It has anti-cancer and anti-cancer effects. Carotene can reduce anti-oxidation and anti-oxidation ability by reducing free radicals. Cancer inhibition.

Participate in maintaining the normal immune function of the body. When vitamin A is deficient, the body's resistance may be reduced due to the decrease in immunoglobulin production.

Tongxiang Jujia Food Additive Co., Ltd. products include more than 100 varieties of vitamins and their derivatives, minerals, amino acids, plant extracts, imported dairy products. The sales network covers all parts of the country. The company can not only provide high-quality products and services to our customers, but also help you solve technical problems in production. If you want to know the price of vitamin a, you can contact: 13356056388.


What foods contain vitamin A

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Key word:福建11选5开奖结果Lackofvitamina,DryskinwhenvitaminAisdeficient,TheimportanceofvitaminAforchildren

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Co。:Tongxiang Jujia Food Additive Co。, Ltd。

Add:2nd Floor, 1688-1690, Fuxing North Road, Wutong Street, Tongxiang City

TEL:0573-88080826

FAX:0573-88080810

MB:13356058388

Email:516860949@qq.com

Website:en。jxjujia。com

Vitamin a price, vitamin a effect, vitamin a food

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