FS HN 167 Lecture Notes - Lecture 3: Yolk, Vitamin K, Retinol
4 Dec 2018
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Document Summary
Retinol: liver, fish, fortified milk and margarine, butter, eggs. Carotenoids: carrots, leafy greens, sweet potatoes, broccoli, apricots, cantaloupe. Egg yolk, liver, fish oils, tuna, salmon, fortified milk, synthesis from sunlight. Vegetable oils, leafy greens, synthesis by intestinal bacteria. Vision, health of cornea, cell differentiation, reproduction, immune function. Xerophthalmia: night blindness, dry cornea, eye infections, poor growth, dry skin, impaired immune function. Headache, vomiting, hair loss, liver damage, skin changes, bone pain, fractures, birth defects. Absorption of calcium and phosphorus, maintenance of bone. Synthesis of blood clotting proteins and proteins needed for bone health and cell growth. Rickets in children: abnormal growth, misshapen bones, bowed legs, soft bones. Osteomalacia in adults: weak bones and bone and muscle pain. Some breast fed infants, children and elderly people, people with kidney disease. Calcium deposits in soft tissues, growth retardation, kidney damage.
