Q: Why do sliced fruits turn brown when sitting for a period of time...
Answer : Fruits such as apples, as well as some vegetables including potatoes, turn brown when their flesh is exposed to air for much the same reason iron turns rusty: oxidation.
Q: Is there a difference in the cholesterol-fighting power of instant or quick-cooking (threeminute)...
Answer : The quick answer would seem to lie in the USDA nutrient database, where regular, quick and instant oatmeal all share a single listing.
Q: What is the lowdown on chicken soup as a cold remedy? Does it...
Answer : Stephen Rennard, MD, of the University of Nebraska Medical Center published research on this topic in the journal Chest in 2000 thats since become almost as celebrated as chicken soup itself.
Q: Your Special Report on food safety (June) says that using detergent or commercial...
Answer : Detergents and antibacterial soaps aren'tt recommended because the FDA doesn't have safety data about possible residue these products may leave on produce.
Q: I read with interest your answer about the different kinds of oatmeal...
Answer : We went back to our oatmeal expert, Cynthia Harriman, director of food and nutrition strategies for The Whole Grains Council...
Q: What are the pros and cons of using a microwave oven? My daughter-in-law...
The US Food and Drug Administration (FDA) tests microwave ovens to make sure they meet safety standards that assure the ovens do not present any radiation hazard.
Q: My usual breakfast includes two slices of whole-wheat toast. I am told by...
Answer : A Cynthia Harriman, director of Food and Nutrition Strategies for the Whole Grains Council...
Q: I find myself limiting my produce selections in order to avoid the most...
Answer : A If youre concerned about pesticides in produce, its smart to be selective: Not all produce presents the same risk of contamination.
Q: Can you tell me what is the best resource on the glycemic index...
Answer : A Introduced in 1981, the glycemic index (GI) measures how rapidly a food causes blood sugar to rise, compared to the effects of ingesting glucose (sugar).
Q: I recently attended an informational program on prostate cancer at which I...
Answer : A The concern about flaxseed oil-and, to a much lesser extent, canola oil-stems from the alphalinolenic acid (ALA) content of these oils.