HLTH 230 Lecture Notes - Lecture 6: Folate Deficiency, Neural Tube Defect, Vitamin B6
24 Dec 2012
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Document Summary
Do not provide energy: however, the absense of b vitamins would be a lack of energy, coenzymes. They help enzymes release energy from proteins, carbs, and lipids: essential to metabolism. Occupies a spot on the membranes of nerve cells. Plays role in nerves and responding tissues: recommendations based on role in enzyme activity. Needs are met if person is taking in enough energy from nutritious foods: deficiency. Those who fail to eat enough food to meet energy needs. Thiamin and alcoholics: energy is obtained from alcohol and not nutritious food, alcohol impairs thiamin absorption, alcohol enhances thiamins excretion in the urine. Originated when rice was polished and germ and bran were removed. No symptoms for thiamin toxicity: thiamin loss or destruction. Cook or steam in short periods: sources. Occurs in small quantities in nutritious foods. Recommendations: based on role as an enzyme, most meet recommended amounts. Deficiency: accompanies other vitamin deficiencies, result of poor diet.
