About Zinc
The interest in zinc and how important of a role it plays in the human body is increasing among those in the medical research field. Thanks to these efforts, zinc has been found to effectively reduce the symptoms associated with Crohn's disease, Alzheimer's disease, Alopecia and acne, just to name a few. A healthy diet continues to play a significant role in maintaining the proper levels of zinc in the body, and in most cases each of the food groups can be beneficial providers.
Identification
Zinc is a chemical element that is commonly found throughout the earth, and an important trace element that is necessary to the existence of living things. In its natural form, zinc is a white metal with a bluish hue and extremely shiny. Denoted by the abbreviation (Zn) on the periodic table, zinc is highly soluble in acid, especially the acids found in the human stomach.
History
The history of zinc can be traced back as far as 2500 years. Archaeologists have uncovered ancient brass relics and ornaments with high zinc concentrations, along with other combined elements such as, lead and antimony. The usefulness of zinc slowly became known around the world and even the famous explorer Marco Polo, referenced the use of zinc for the healing of eye sores during thirteenth century Persia. By the early 1300s, zinc coins were the main units of monetary exchange under the Ming Dynasty in China. But before the eighteenth century, this important metal had no official name. It was not until Antoine Laurent Lavoisier, a French Chemist, developed the process of listing all of the known elements, and zinc was given its name.
Function
Zinc is important to the development and maintenance of healthy immune systems, and overall functioning of the body's systems. Not only is it found in muscles and bone, but also the skin, where it plays an important role in the healing of open cuts and wounds. Every cell in the human body contains trace amounts of zinc, and hormones in the body such as those controlling sex and growth, require the zinc element to do their jobs. The synthesis of insulin is also dependent on the presence of zinc, although scientists are not clear on why.
Types
When combined with the mineral calamine, zinc is commonly referred to zinc oxide (ZnO), and when traces of iron oxide (Fe2O3) are added to the mix, the compound is transformed into the popular topical ointment calamine lotion. When applied to the skin, this zinc compound successfully treats irritations, stings, rashes and bug bites. Zinc phosphide is a chemical compound intended for use as a rodent repellent. Not only is this chemical combination toxic, but it is also highly flammable.
When the zinc element is combined with gluconate citrate acid, the result is a beneficial, immune boosting compound. This zinc combination, which is the same compound that can be found in manufactured zinc lozenges, is believed be useful in fighting the common cold. These lozenges can be highly effective if used hourly, until a feeling of well being has been reestablished.
Warning
While the body's need for zinc is important, it is possible to have too much of a good thing. The over use of zinc supplements can interfere with the body's absorption of copper, magnesium and iron levels, causing a scenario that is counterproductive because the immune system is once again compromised. High levels of zinc may also reduce the good cholesterol (HDL) levels in the bloodstream. For this reason the FDA suggests that a healthy individual does not exceed 40mg per day. It is also important to note that eating or drinking anything along with zinc supplements or lozenges is not suggestible. Citrus actually interferes with the body's absorption of zinc, rendering the dose ineffective.
Considerations
The best sources of zinc can be found in food. Red meat, poultry and seafood are excellent sources of zinc, with oysters leading the pack. Dairy products also contain zinc, as do beans, nuts, cereals and pumpkin seeds. Greens can also provide a healthy dose of zinc, and some examples are, spinach, asparagus, basil, broccoli and peas.
Potential
Recent research has suggested that zinc supplements can play a positive role in reducing the chances of a person acquiring certain types of cancers. Those suffering from prostrate cancer have shown promising results in the shrinking of enlarged prostrates with the addition of zinc supplements. Zinc has also produced positive results in reducing the symptoms associated with radiation therapy.
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