How does microwaving affect vitamin B12 in foods?

What will be an ideal response?


Microwaving vitamin B12-rich foods may convert the active form of vitamin B12 in the food to an inactive form, and this reduces the amount of the active vitamin by as much as 30-40 percent. Vegan sources of vitamin B12 include: fortified soymilk and some ready-to-eat cereals. Animal sources of B12 include: salmon, tuna, poultry, eggs and dairy products.

Nutritional Science

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The best food sources of essential fatty acids are:

a. vegetable oils. b. tropical oils. c. hydrogenated oils. d. nuts.

Nutritional Science

The amount of blood pumped out of the heart during one beat or contraction is called:

a. stroke volume. b. cardiac output. c. cardiac rate. d. tidal volume.

Nutritional Science

Which artificial sweetener provides calories?

a. saccharin b. aspartame c. sucralose d. acesulfame potassium e. stevia

Nutritional Science

All of the following are ways to prevent bacterial contamination of open system tube feedings except:

a. using fresh formula every 48 hours. b. storing open or mixed formula in the refrigerator. c. never adding fresh formula to formula that has been hanging. d. changing the feeding container and tubing every 24 hours.

Nutritional Science