1 / 4

Vitamin A - Retinol and Beta-Carotene

Vitamin A - Retinol and Beta-Carotene. Retinol Pure Vitamin A Only found in animal foods. Beta-Carotene Pro-Vitamin A Converted to Vitamin A in gut wall. Vitamin A – Retinol and Beta-Carotene. Functions Regulates growth Promotes healthy skin Maintenance of healthy epithelial tissues

axl
Download Presentation

Vitamin A - Retinol and Beta-Carotene

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Vitamin A - Retinol and Beta-Carotene Retinol Pure Vitamin A Only found in animal foods Beta-Carotene Pro-Vitamin A Converted to Vitamin A in gut wall

  2. Vitamin A – Retinol and Beta-Carotene Functions • Regulates growth • Promotes healthy skin • Maintenance of healthy epithelial tissues • Necessary for production of Rhodopsin - pigment in retina, helps eye adapt to dim light Effects of deficiency • Restricted growth • Dry mucous membranes • Xeropthalmia - dry eye membrane/ blindness • Night blindness • Susceptibility to infection

  3. Vitamin A - Retinol and Beta-Carotene Sources Retinol - Cod liver oil, liver, dairy products, herring, egg yolk Beta-Carotene Dark green leafy vegetables, broccoli, carrots, deep orange fruits and vegetables

  4. Vitamin A - Retinol and Beta-Carotene Properties • Yellow • Fat soluble • Insoluble in water • Can be destroyed by oxygen, light and air • Some reduction in dehydration • Powerful antioxidant RDA See text book pg. 34

More Related