Lesson 3.3.2 Water Soluble Vitamins Flashcards
Why are B vitamins and vitamin C easily assimilated?
They dissolve in water.
How are excessive vitamins treated by the body?
The excess vitamins are eliminated through the urine.
Do water soluble vitamins need to be replenished more often?
Since excess vitamins are eliminated through the urine, they need to be replenished more often than fat-soluble vitamins.
How many water-soluble vitamins are known to be essential for health?
Nine.
What is another name for vitamin B1?
Thiamin.
Which B vitamin was the first to be chemically identified?
B1.
What did Japanese scientists find regarding vitamin B1?
Early in the 20th century, Japanese scientists suspected a link between the severe occurrence of the nervous disease beriberi and the Japanese diet of polished white rice.
What element contains thiamin as a component?
Thiamin is part of the coenzyme thiamin pyrophosphate (TPP).
What is TPP?
The coenzyme thiamin pyrophosphate (TPP).
What is the function of TPP?
TPP is required in the breakdown of glucose for energy and helps break down some amino acids. The production of deoxyribonucleic acid (DNA), our genetic material, and the brain’s chemical messengers are also dependent on TPP.
What happens if there is a deficiency of TPP?
A deficiency of thiamin may result in decreased short-term memory, muscle weakness, and confusion.
What are the sources of B1?
To increase intake of vitamin B1 eat sufficient amounts of lean organic animal proteins, whole grains such as brown rice and oatmeal, as well as beans, nuts, and sunflower seeds.
What is another name for vitamin B2?
Riboflavin.
What is Riboflavin involved in?
Vitamin B2 (Riboflavin) Riboflavin is part of two coenzymes that are involved in the breakdown of fats, proteins, and carbohydrates and is needed for normal growth and energy.
What does B2 promote?
It promotes healthy vision, protecting against cataracts, dry eyes, and eye fatigue. The skin, nails, and hair all require riboflavin for health and vitality.
What are the signs of B2 deficiency?
Sore throat, cracks in the corners of the lips, and fatigue are symptoms of riboflavin deficiency.