Whatâs the difference between fat soluble and water soluble vitamins, and what is its significance for people with cystic fibrosis? Water soluble (Vitamin C and all of the B vitamins): Water soluble vitamins are vitamins that our bodies do not store. These vitamins dissolve in water when they are ingested, then go in to the blood stream.
How long and at what temperature should I cook a beef roast in the oven? Roasting is a great cooking method for a large, tender cut of beef  such as a rib or sirloin roast.Sirloin-tip, rump, rolled-rump, eye-of-round or top-round roasts will also benefit from this cooking method if they are graded prime or choice.ooking at a constant oven temperature of 300Â°F (160Â°C), a 5- to 8-lb standing rib roast will take 17-19 minutes per pound for rare, 20-22 for medium rare, 23-25 minutes for medium, and 27-30 minutes for well done.
If the roast is very lean you may want to drizzle a tablespoon of olive oil or two over the roast. Sprinkle salt and pepper over the roast. Place the roast on a wire rack on a baking sheet. Bake the roast for approximately 25 to 30 minutes for every pound of meat for a roast to be cooked to medium.Adjust accordingly for your preferred level of doneness. You should use a meat thermometer to determine when the roast is done. Push the meat thermometer all of the way into the center of the roast.earing before cooking. You can sear the roast before you cook the roast. What this does is to help brown the roast that will give your meat more flavor. You could stick your roast in an extremely hot oven and then turn the oven down, but this can dry out your roast.