By comparison, 80% lean ground beef that was drained and blotted (not rinsed) provided 177 calories with 10 grams of fat. Interestingly, researchers found that rinsing 90% lean ground beef did not provide significant calorie or fat savings over the 80% rinsed beef. drain and rinse ground beef after cooking to eliminate some fat and calories, but I'm not sure how much is rinsed away.
Vitamin Like Substances. History. Vitamin A. Vitamin A, also called retinol, is a fat-soluble vitamin that is readily destroyed upon exposure to heat, light, or air. The vitamin has a direct role in vision and is a component of a pigment present in the retina of the eye. It is essential for the proper functioning of most body organs and also affects the functioning of the immune system.
Sunlight and Vitamin D Synthesis What type of sunlight provides the best vitamin D? Exposure to the sunâs ultraviolet (UV) rays is required for vitamin D3 (cholecalciferol) to be produced. Vitamin D3 is synthesized in the skin once your unprotected skin receives exposure to sunlights UV rays. The sun emits three different types of radiation, UVA, UVB and UVC. The ozone layer is good at blocking all of the UVC radiation and most of the UVB, however, none of the UVA radiation.