Value Added Products based on Chicken Eggshell
Development of Value Added Products based on Eggshell
Calcium is the most abundant element in the human body. Calcium ions play a vital role in the physiology and biochemistry of humans and the cell as electrolytes.
Calcium levels in mammals are tightly regulated, with bone acting as the major mineral storage site. Calcium ions, Ca2+, are released from bone into the bloodstream under controlled conditions.
How is calcium distributed in the body?
About 98% of the 1200 g of calcium in the adult is in the form of hydroxyapatite in the skeleton. Hydroxyapatite is a lattice-like crystal composed of calcium, phosphorus, and hydroxide. The remaining calcium is found in the extracellular fluid (50%) and in various tissues, especially skeletal muscle.
What is the calcium level in the blood?
In the blood Calcium is maintained within a fairly narrow range from 8.5 to 10.5 mg/dl (4.3 to 5.3 mEq/L or 2.2 to 2.7 mmol/L).
Calcium deficiency is associated with which diseases?
In human being Calcium deficiency is associated with :
- Metabolic bone disease
- Rickets in childhood
- Inadequate bone mass accrual in childhood and adolescence
- Inadequate fetal bone mass accrual/other metabolic effects and programming
- Possible secondary vitamin D deficiency
- Osteoporosis – postmenopausal and senile
How much calcium do I need?
The amount of calcium you need each day depends on your age. Average daily recommended amounts are listed below in milligrams (mg):
|Life Stage||Recommended Amount|
|Birth to 6 months||200 mg|
|Infants 7–12 months||260 mg|
|Children 1–3 years||700 mg|
|Children 4–8 years||1,000 mg|
|Children 9–13 years||1,300 mg|
|Teens 14–18 years||1,300 mg|
|Adults 19–50 years||1,000 mg|
|Adult men 51–70 years||1,000 mg|
|Adult women 51–70 years||1,200 mg|
|Adults 71 years and older||1,200 mg|
|Pregnant and breastfeeding teens||1,300 mg|
|Pregnant and breastfeeding adults||1,000 mg|
Eggshells contain calcium and trace amounts of other micro elements, i.e. magnesium, boron, copper, iron, manganese, molybdenum, sulphur, silicon and zinc.
It is made up of 94% calcium carbonate along with some magnesium carbonate and calcium phosphate.
How can the chicken eggshell can be used for value added products?
Half an eggshell could provide the amount of Calcium needed by adult human beings per day. The best way to use chicken eggshell as Ca dietary supplement is powdered to add to bread, pizza or spaghetti . There will be small changes in texture and no changes in flavor.