Minerals Flashcards
(44 cards)
Minerals:
• Classification:
major and trace
Minerals are inorganic or organic?
inorganic
Minerals are found in all ____ and body _____; essential
cells and fluids
Calories?
no calories
Do minerals provide energy?
no
Minerals are not degraded by ___ or ______
cooking or digestion
Major mineral needed in amounts of
> 100 mg
Trace minerals are needed in amounts of
=<100 mg
Common examples of major;
sodium, potassium, calcium
common examples of trace
iron, zinc, chromium
Calcium; major or trace?
major
Most abundant mineral
calcium
Functions: • Blood clotting • Muscle contraction • Nerve transmission • Bone formation
Calcium
RDA:
• 1,000 mg (19–50 years)
• 1,200 mg (Females 50+, Males
70+)
calcium
Roles:
• Tooth and bone formation
• Present in body fluids
• Assists in nerve transmission, muscle contraction, and
blood clotting
• Helps maintain normal blood pressure
• Allows secretion of hormones, digestive enzymes, and
neurotransmitters
• Activates cell enzymes that regulate many processes
calcium
99% calcium in ____ and _____ and 1% in ______
bones and teeth, bloodstream and tissues
Signs of deficiency: • Hypocalcemia (rare) • Muscle spasms • Convulsions • Low bone density
calcium
Symptoms of toxicity: • Hypercalcemia • Calcium deposits • Kidney stones • Fatigue • UL=2,500 mg (19–50 years) • UL=2,000mg (50+ years)
calcium
- Choose dairy foods with lower amounts of lactose; types?
Yogurt with live active cultures
• Hard cheeses such as cheddar, Colby, Swiss, • Parmesan
- Gradually increase the amount of lactose-containing
foods consumed.
Lactose intolerance tips
- Consume calcium-rich non-dairy foods
• Lactose-free milk
• Fortified soy milk
• Fortified juice and cereal
Lactose intolerance tips
Functions: • Major electrolyte • Nerve impulse transmission • Muscle contraction • Regulation of blood pressure
sodium
AI 1500 mg
sodium
Signs of deficiency:
• Hyponatremia
• Nausea, vomiting
• Seizures, coma
sodium