The bone meal animal bones, shells, pearls and calcium carbonate cooperation from the simple processing of raw materials such as calcium products. As the selection and processing of the source of calcium, calcium such products, there are many factors of insecurity. First of all kinds of animal bones from the bone meal. Because animals do not pay attention to food hygiene, in their food and feed may contain heavy metals, lead and arsenic, aluminum and other heavy metals into the animal, which will be concentrated in these animal bones. Secondly, in recent years the industry has suffered a major marine pollution. shells and pearls formed by the deposition of many heavy metal ions insoluble sediments. The use of these substances as a source of calcium calcium products, arsenic and lead contained in the materials processing and not as isolated, With the absorption of calcium actually enter the human body.

This article was posted on 2007-02-27