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Chromium deficiency is described as the consequence of an insufficient dietary intake of the mineral chromium. Chromium was first proposed as an essential element for normal glucose metabolism in 1959, [ 1 ] but its biological function has not been identified. [ 2 ]
For example, whether chromium is essential in humans is debated. No Cr-containing biochemical has been purified. The United States and Japan designate chromium as an essential nutrient, [11] [12] but the European Food Safety Authority (EFSA), representing the European Union, reviewed the question in 2014 and does not agree. [13]
Chromium compounds are compounds containing the element chromium (Cr). Chromium is a member of group 6 of the transition metals. The +3 and +6 states occur most commonly within chromium compounds, followed by +2; charges of +1, +4 and +5 for chromium are rare, but do nevertheless occasionally exist. [3] [4]
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Chromium(III) picolinate (also trivalent chromium) is a chemical compound with the formula Cr(C 5 H 4 N(CO 2)) 3, commonly abbreviated as CrPic 3. It is a bright-red coordination compound derived from chromium (III) and picolinic acid .
Because chromium compounds were used in dyes, paints, and leather tanning compounds, these compounds are often found in soil and groundwater at active and abandoned industrial sites, needing environmental cleanup and remediation. Primer paint containing hexavalent chromium is still widely used for aerospace and automobile refinishing ...
Eggshell membrane is derived commercially from the eggshells of industrial processors. In the United States, egg-breaking facilities generate more than 24 billion broken eggshells every year. [1] There are various ways in which the membrane is separated from the shell, including chemical, mechanical, steam, and vacuum processes. Attachment of ...