NUTR 1010 Lecture Notes - Lecture 25: Almond Milk, Hypercalcaemia, Soy Milk
21 Mar 2017
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Document Summary
Bone consists of: 65% minerals, hydroxyapatite, calcium and phosphorus crystals, deposited in protein matrix of the bone, helps give the bone strength, 35% organic substances, collagen (a fibrous protein) helps make up bone. Nutrients involved in bone health: major roles, calcium, vitamin d, phosphorus, minor roles, magnesium, vitamin k, vitamin a, protein, fluoride. Calcium is: a mineral, a major mineral - we need > 1000 mg per day, the most abundant mineral in the body, it makes up 1-2% of our body weight. Absorption of calcium: only about 25% of the calcium in foods is absorbed, less if you have diet low in vitamin d (10%, more like 50% when you"re pregnant, infants have 60% absorption. Calcium is critical for strong bones: 99% calcium stored in bones and teeth, critical part of hydroxypatite crystals, provide strength to the bones, shows proportion of calcium to phosphorous in these crystals, calcium is critical.
