Indicative of cystic fibrosis. An abnormal test is most likely due to CF. To be able to accurately interpret sweat test results, an appropriate volume of sweat must be obtained. Acceptable volumes of sweat are 75 mg for the Gibson-Cooke procedure and 15 ÂµL for the MacroductÂ® procedure.
Beta-carotene is a pigment found in plants that gives them their color. The name beta-carotene is derived from the Latin name for carrot. It gives yellow and orange fruits and vegetables their rich hues. Beta-carotene is also used to color foods such as margarine.In the body, beta-carotene converts into vitamin A (retinol). We need vitamin A for good vision and eye health, for a strong immune system, and for healthy skin and mucous membranes.Taking big doses of vitamin A can be toxic, but your body only converts as much vitamin A from beta-carotene as it needs.eta-carotene is a pigment found in plants that gives them their color. The name beta-carotene is derived from the Latin name for carrot. It gives yellow and orange fruits and vegetables their rich hues. Beta-carotene is also used to color foods such as margarine.
As much as 50 percent of vitamin A in a typical diet is provided by beta-carotene and other carotenoids. A small number of carotenes, including beta-carotene, are often called provitamin A because they are a precursor to production of vitamin A in the body.The carotenes lycopene, lutein and zeaxanthin cannot be converted into vitamin A, though they provide other health benefits.n fact, one cup of raw carrots contains 9,135 mg of beta-carotene. Since beta-carotene is only one of the many beneficial carotenoids, it is important to eat a wide variety of fresh produce to obtain a full spectrum of these important nutrients into your diet.