Minerals are inorganic elements essential for human nutrition. Fourteen minerals are required for proper body function and play key roles in health. They include calcium, phosphorus, magnesium, iron, zinc and others. Minerals help with chemical reactions in cells, muscle contraction, nerve transmission and more. They are divided into major minerals needed in larger amounts daily and trace minerals needed in smaller amounts. Maintaining proper mineral balance is important for overall health and prevention of deficiencies or toxicities.
This presentation looks at sodium and how it affects you. Sodium is one of the body’s three major electrolytes that help to control the fluids going in and out of the body’s tissues and cells, the other two are potassium and chloride.
Sodium is part of sodium chloride, which is ordinary table salt and is also a seasoning and a preservative
The minerals form only a small portion of the total body weight. They form only 7% of the composition of human body.
Many of these minerals are widely distributed in foods so that a well-balanced diet will supply them in sufficient quantities.
The mineral elements present in the animal body may be classified into 2 groups:
1.Principal elements(macro nutrients)
2.Trace elements(micro nutrients)
This presentation looks at sodium and how it affects you. Sodium is one of the body’s three major electrolytes that help to control the fluids going in and out of the body’s tissues and cells, the other two are potassium and chloride.
Sodium is part of sodium chloride, which is ordinary table salt and is also a seasoning and a preservative
The minerals form only a small portion of the total body weight. They form only 7% of the composition of human body.
Many of these minerals are widely distributed in foods so that a well-balanced diet will supply them in sufficient quantities.
The mineral elements present in the animal body may be classified into 2 groups:
1.Principal elements(macro nutrients)
2.Trace elements(micro nutrients)
This module describes the types of minerals present in food. in nature we have several minerals which are generally classified into two as Major and Minor minerals. it also describes the recommended dietary allowance by ICMR 2020. Here you will be able to find the functions, sources and deficiency of each minerals.
This module describes the types of minerals present in food. in nature we have several minerals which are generally classified into two as Major and Minor minerals. it also describes the recommended dietary allowance by ICMR 2020. Here you will be able to find the functions, sources and deficiency of each minerals.
Minerals are essential for normal growth and maintenance of the body.
Major elements : Requirement >100 mg /day
Trace Elements : Requirement <100mg/day
Some are necessary for the body but their exact functions are not known.
Ex.: Chromium, Nickel, Bromide, Lithium, Barium
Non-Essentials : seen in tissues. Contaminants in food stuffs.
Ex.: Rubedium, Silver, Gold, Bismuth
Toxic : should be avoided.
Ex.: Aluminium, Lead, Cadmium, Mercury
Minerals are known to be extremely important building blocks of the human body. They are extremely important for proper nutrition and health. In case you do not have sufficient #minerals in your body, other nutrients will be unable to function properly too. This may lead to vitamin and mineral deficiencies. Minerals help create a very healthy environment in which your body can grow and heal itself.
Introduction to Minerals and essential nutrients DHANANJAY PATIL
A Comprehensive Introduction to Minerals and essential nutrients- Biochemical functions, source, RDA, disease states. This will give readers a overall insight to this topic.
Minerals are inorganic compounds that are required for the body as one of the nutrients.
The inorganic elements (minerals) constitute only small potion of body weight.
Human body needs number of minerals for its functioning.
Minerals the facts is a new Revive Guide covering everything you ned to know about the top minerals including the top benefits of taking each. Visit https://www.revivehealth.care
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1. CALCIUM METABOLISM DISORDERS
2. OVERVIEW: Calcium definition and requirement . Calcium metabolism regulators : VD , PTH and calcitonin. Functions of calcium. Calcium metabolic bone diseases. Calcium metabolism disorders. CASE !!
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1. What Are Minerals?
• Inorganic elements essential to the nutrition of
humans
• Fourteen minerals are essential to body function
– Play several key roles in overall health and well being
• Help chemical reactions take place in cells
• Help muscles contract
• Keep the heart beating
• Two groups
– Major minerals
– Trace minerals
3. Minerals
• Inorganic elements essential to Human Nutrition.
• 14 out of 92 are Essential to Body Function.
Very Important Roles in overall health and well-being
• Assist in Chemical Reactions in Cells
• Crucial to the Immune System Function
• Fluid Balance
• Nutrient Transport into Cells
• Help Skeletal Muscle Contract
• Maintain Heart Beat!
4. Two Groups: Major and Trace Minerals
Major Minerals (macrominerals)
Need more than 100 mg/day.
Min of 5 grams in the body. These Include:
• Calcium
• Phosphorus
• Potassium
• Sulfur
• Sodium
• Chloride
The major minerals are
the 6 dietary minerals
your body needs in the
largest amounts.
6. Bioavailability - Degree the nutrient from food is
absorbed and utilized in the body
– nutritional status and competing minerals in GI tract
can affect absorption.
Binders can Reduce Bioavailability.
Oxalates, Phytates, and Polyphenols
Other Nutrients can Improve Bioavailability.
• Vitamin C enhances iron absorption.
• Vitamin D enhances calcium absorption.
• Animal Protein enhances zinc absorption.
7. Bioavailability of Minerals
Factors Increasing
Bioavailability
Factors Decreasing
Bioavailability
Deficiency in a mineral
increase its absorption
Oxalates bind some minerals
in intestines
Cooking can make more
minerals available (legumes)
Phytates found in grains,
legumes and nuts
Vitamin C increases Fe2+
absorption from GI tract
Polyphenols, like tannins in
tea and coffee
Vitamin D increases Ca2+, P
and Mg2+ absorption
Supplementation of single
minerals
8. 1. Oxalates
Found in many vegetables,
fruits, grains, legumes, spices,
herbs, and almost all nuts and
seeds.
If too much oxalate absorbed can associate with excess
calcium to form sharp calcium-oxalate crystals – wedging
into tissue in the body causing damage and inflammation.
Excess oxalate can deplete Glutathione, essential for
metabolizing toxic chemicals that enter the body.
Some examples of disease states from Oxalates:
Kidney Stones; Gallstones; Thyroid Disease; Vulvodynia; Cystic Fibrosis.
9. Antioxidant, master detoxifier and
stimulator of the immune system
Glutathione = 3 Amino Acids:
Cysteine, Glycine and Glutamate
10. How to get enough Glutathione:
1. Eat Sulfur-rich Foods
2. Eat Bioactive Whey Protein
3. Exercise - it Boosts Glutathione Levels
4. N-acetyl-Cysteine
5. Alpha Lipoic Acid
6. Methylation Donors Folate (B9), Pyridoxine
(B6) and Cobalamin (B12)
7. Selenium.
8. Antioxidants family vitamins C and E
9. Milk thistle (silymarin)
11. 2. Phytates
Phytates (Phytic Acid) is a P store of plants.
Considered an anti-nutrient for humans -
interferes with absorption of nutrients.
(we do not have phytase!)
Chelators of:
magnesium, calcium, zinc and iron in your gut.
Found in Grains, Legumes, Nuts and Seeds:
Wheat has 720mg/100g phytic acid. Soybeans 1,433mg/100g;
Cashews 1,866mg/100g and Almonds 1,280mg/100g.
Sprout, Soak and Ferment out the Phytates
12.
13. 3. Polyphenols (e.g. tannins)
Are benzoid ‘phenyl’ rings and hydroxyl (OH).
They are important to plants!
• Regulate plant growth hormones (auxin);
• Give coloration and provide UV sun-screen protection.
• Deter herbivores from eating plants.
• Prevent microbial infestation of plants (phytoalexins).
• Signal molecules in ripening.
Some are antinutrients, as they interfere
with absorption iron and other metal ions.
Also bind to digestive enzymes and proteins.
14. Mineral Balance is highly Controlled
GI tract regulates absorption based on needs
Minerals functioning in intestines (cells/fluids) are either
excreted in feces or reabsorbed via large intestine.
Kidneys -Excrete Excess and Reabsorb Minerals
15. Minerals Maintain Fluid Balance
– Extracellular Minerals: Na+ and Cl-
– Intracellular Minerals: K+ and Ca2+, Mg2+, S
16. Minerals act as Cofactors - substance that binds
to an enzyme to help catalyze a reaction. They
serve as cofactors in:
• Antioxidant Systems
• Energy Production
• Muscle Contraction
• Nerve Transmission
17. • Minerals contribute to Bones and Teeth.
• They make up Calcium Hydroxyapatite a
crystalline structure giving rigidity.
Contains major minerals: Calcium, phosphorus (and O2)
18. Minerals can be toxic in high amounts
=> illness and even death.
Toxicity NOT from excess dietary intake, but from:
• Excess of supplements and
• Conditions interfering with body's adaptive abilities
19. Calcium (Ca2+)
• Most abundant mineral in body!
• Divalent Cation (has a + 2!)
• 99% of body's Ca2+ located in bones and teeth.
#1: Cheese (Mozzarella) - 961mg (95% DV)
#2: Milk & Yogurt - 125mg (13% and 49% DV)
#3: Dark Leafy Greens (Watercress, Kale) - 120mg (12% DV)
#4: Cabbage (Bok Choy) - 105mg (11% DV)
#5: Okra (Cooked) - 77mg (8% DV)
#6: Broccoli - 47mg (5% DV)
#7: Green Beans - 37mg (4% DV)
#8: Almonds - 264mg (26% DV)
#9: Sardines (in Oil with Bones) - 383mg (38% DV)
#10: Pink Salmon - (8%)
Some of the Top Foods for Calcium!
20. Bioavailability:
Vitamin D and lactose absorption.
Low Protein intake absorption.
Phytates and Oxalates Ca2+ bioavailability.
21. Absorption
Low blood Ca2+ increases Ca2+ absorption.
The more Ca2+ consumed at one time, less absorbed.
23. Functions of Calcium
Ca2+ helps build strong
bones and teeth.
Hard Outer Bone Surface
Trabecular Bone:
Inside of bone; more sensitive to
changes in dietary calcium
24. Calcium Functions: Many Important Roles:
Muscle Contraction
Nerve Transmission – release of Neurotransmitter!
Regulating Hormones and Enzymes
Blood Vessel Dilation/Constriction: Blood Pressure
Blood Clotting
25. Calcium May:
Prevent Colon Cancer – by protecting lining of
tract from caustic and abrasive substances.
Inadequate Ca2+ shifts hormonal response of PTH and
calcitriol which may stimulate fat production and storage.
Reduce the risk of kidney stones – Ca2+ binds to
oxalates in foods.
Reduce the risk of obesity – by normalizing
interactions between hormones.
26. Daily Needs for Ca2+
AI for Adults: 1,000 to 1,100 mg/day
UL: 2,500 mg/day
Americans fall short, consuming < 800 mg/day.
Ca2+ Toxicity
Hypercalcemia: Too much Ca2+ in blood
Symptoms:
• Constipation
• Bone pain
• Muscle weakness
• Mental confusion
• Impairs absorption of Fe, Zn, Mg and P.
27. Ca2+ Deficiency
Hypocalcemia: Blood Ca2+ levels below normal
Bones less dense, weakened and brittle.
risk of Osteoporosis and Bone Fractures
Do not take a calcium supplement at the
same time of day as an iron supplement!
29. Phosphorus (PO4
3-)
2nd most abundant Mineral in Body
Most (85%) in Bone Tissue
the rest in muscle, cell membrane, ECF
Absorbed in the Small Intestine
Vitamin D enhances
bioavailability.
Phytate, aluminum, magnesium
and calcium absorption.
30. Parathyroid Hormone (PTH)
This hormones regulates P homeostasis.
– Stimulates resorption of P from bone
– Stimulates P excretion from kidney
Excretion – most P lost in Urine, some in Feces
31. Formation of Bones and Teeth
Along with Ca2+ makes Calcium Hydroxyapatite
Phosphorus Needs in the Body!
Integral part of cell membrane Phospholipids
Required for ATP and Creatine Phosphate
Acts as a Buffer in acid-base balance
“Phosphate Backbone” is part of DNA and RNA
in every cell!
32. RDA Adult: 700 mg/day
UL: 4,000 mg/day
Americans consume 1,000 mg/day.
Food Sources of Phosphorus
• Foods from animal sources
• Plant seeds – 50% of P is bioavailable due to phytates.
• Soft drinks and colas contain phosphoric acid.
33. P Toxicity
Hyperphosphatemia - Only with kidney disease
High intake of P with low Ca2+ intake can
decrease bone mass.
Can lead to Ca2+ deposits in soft tissue
P Deficiency is rare.
Hypophosphatemia
Muscle weakness, bone pain, rickets, confusion,
and death in extreme cases!
34. Potassium (K+)
• Major Cation in intracellular fluid (ICF)
• Absorbed in Small Intestine and Colon
• Kidneys regulate balance excreting excess.
• Muscle Contraction and Nerve Impulse.
• Rhythmic Heart Beats.
• Regulate Blood Pressure
• Acts as a Buffer in Blood.
• Preserves Ca2+ and PO4
3- in bones.
Minor amounts are lost in sweat.
35. Daily Needs
Adults: 4,700mg/day.
May Hypertension.
May bone losses and risk of kidney stones.
Most Americans fall short.
F ~2,200 and
M~3,300mg/day.
Food Source DV
Beet Greens 37%
Lima Beans 27%
Swiss Chard 27%
Sweet Potato 27%
Potatoes 26%
Spinach 24%
Avocado 21%
Pinto Beans 21%
Bananas 10%
Nutrient Rating for K
36. K Toxicity
Hyperkalemia: Too much K+ in blood!
Cannot occur from food intake – but with supplementation or salt
substitutes!
This can lead to:
• Irregular heart beat
• Heart damage
• Death
If kidneys impaired or taking medications for heart
disease or diuretics risk and need to be cautious.
37. K+ Deficiency
Hypokalemia: Too little K+ in blood.
– risk of hypertension, kidney stones, and loss of
bone mass.
Caused by prolonged vomiting or diarrhea
Can lead to:
• Muscle Weakness and Cramps
• Glucose intolerance
• Irregular Heart Beat and Paralysis
38. Sulfate (SO4
2–)
• An Oxidized form of Sulfur (S)
• Sulfate is a part of other compounds in Body:
–Proteins
–Thiamin
–Biotin
Absorption
– Is absorbed throughout the GI tract
– About 80% SO4
2- consumed is Absorbed.
– Kidneys excrete excess.
39. Metabolic Functions of Sulfate
Part of Amino Acids Methionine and Cysteine
Involved in the tertiary and quaternary structure of
proteins
40. Sulfur - Can be used as a Preservative
Sulfites prevents spoilage and discoloration in foods
e.g. Sulfites are found in wine - those sensitive may get:
Headaches, sneezing, swelling of the throat, hives
Food Sources of Sulfate
• Meat, poultry, fish, and eggs
• Legumes
• Dairy foods
• Fruits and vegetables
• Beverages: Beer, wine
No RDA, no UL! - No Toxicity or Deficiency symptoms
41. Sodium (Na)
• Major Mineral => Na+ Electrolyte
• Cation usually combined with chloride (NaCl)
• Primarily in Blood and extracellular fluid (ECF)
• Regulates Blood Volume
Na also Located:
• Within Hydroxyapatite crystals in bone;
• In Nervous Tissue;
• In Muscular Tissue.
Table salt – accounts for 90% of our Na - part
of our problem? Can use Sea Salt!
42. Absorption, Transport, and Excretion of Na
• 95-100% absorbed in Small Intestine!
• About 5% Excreted in Feces.
• Blood levels Maintained by Kidneys.
Na Regulates Fluid Volumes:
High [Na+] signals need to Conserve Water.
Hypertonic (‘salty’) blood triggers Thirst mechanism in
Hypothalamus – signals drinking!
Also triggers Renin release, then Angiotensinogen
activation and also ADH release to urine excretion!
Na loss through perspiration!
44. Na plays a role in nerve impulse transmission
and participates in
muscle contraction
• Helps transport some
nutrients
• Preserves and enhances food flavor!
45. Food Sources of Sodium
Some Facts and Figures about Na use:
• About 70% of Na is from processed foods.
Canned, processed meats, frozen or pre-packaged meals
• Only 12% comes from natural food sources
• About 5% added during cooking.
• About 6% added at the table.
46. Hypernatremia (excess Na in blood) – when fluids not
replenished as water is lost (e.g. vomiting or diarrhea)
* Or, from ingesting too much Na+
Sodium deficiency is rare.
Hyponatremia - from consuming too much water in
a short time, e.g. endurance athletes.
Symptoms: Headache, muscle weakness, fatigue,
seizures, as we have seen, can cause death.
* Also occurs with Diuretic use.
47. Chloride (Cl–)
• A Major Electrolyte
• An Anion bound to Na (NaCl in foods)
• Primarily in blood (88%), the other 12% is:
– in intracellular fluid (ICF)
– part of HCl (hydrochloric acid) in stomach
• After ingestion, dissociates in the stomach.
• Absorbed in Small Intestine - Excreted in Urine
• Not to be confused with chlorine, a powerful
disinfectant, poisonous if inhaled or ingested.
48. Metabolic Functions of Chloride
• Maintains Fluid Balance.
• Assists in the removal of CO2 from blood.
• Maintains normal pH range of blood.
• Part hydrochloric acid (HCl).
49. Chloride Daily Needs and Food Sources
• Daily needs: AI Adults 50 is 2,300 mg/day.
In general, Americans currently consume 3,400
mg/day to >7,000 mg/day.
Food Sources:
– Table salt
– Processed foods
– Seaweed, tomatoes, olives, lettuce, celery, and rye
– Salt substitutes
50. Daily Needs of Cl
UL = 3,600 mg. Toxicity is very rare.
*Can occur with severe dehydration (hyperchloremia)
• Deficiency - Rare
From prolonged diarrhea or vomiting.
Diuretics can increase urinary losses.
Symptoms: shallow breathing, muscle weakness,
muscle spasms, and twitching
51. Magnesium (Mg2+)
~60% in bones, 25% in muscles, the rest in cells.
Bioavailability is about 50%.
Absorption
A high-fiber, whole-grain, high phytates, lowers
absorption.
Intestinal absorption and kidney excretion
adjusts based on diet and need.
52. Daily Needs for Mg
Adults: 300 to 400 mg/day
Americans fall short of consuming adequate Mg.
53. Mg2+ Toxicity - Consuming excess supplements
can cause intestinal problems.
Diarrhea, cramps, nausea
Mg2+ Deficiency Rare.
Some medications cause deficiency.
Poorly controlled diabetes and alcohol abuse.
Symptoms:
Muscle weakness, seizures, fatigue, depression, and
irregular heart beats.
54. Bone Mass
Exercise improves bone mass.
– Weight-bearing exercise maintains and bone.
– High-impact exercise growth and mineral
content during adolescence.
– Only the bones that are exercised benefit
– High-intensity exercise bone mass and muscle
strength more than less intense exercise.
55. Body Weight impacts Bone Mass
– Overweight promotes greater BMD in the hip and
spine compared to healthy weight individuals.
– Bone is lost during weight loss; adequate calcium
intake accompanied by slow weight loss will lessen
bone loss.
– Excessive Alcohol intake is associated with
osteoporosis.