minerals, ultra-trace

views updated Jun 27 2018

minerals, ultra‐trace Those mineral salts present in the body, and required in the diet, in extremely small amounts (parts per thousand million or less); known to be dietary essentials, although rarely if ever a cause for concern since the amounts required are small and they are widely distributed in foods and water, e.g. cobalt, manganese, molybdenum, silicon, tin, vanadium.