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A base metal is a common and inexpensive metal, as opposed to a precious metal such as gold or silver. [1] In numismatics , coins often derived their value from the precious metal content; however, base metals have also been used in coins in the past and today.
Dietitians may recommend that minerals are best supplied by ingesting specific foods rich with the chemical element(s) of interest. The elements may be naturally present in the food (e.g., calcium in dairy milk) or added to the food (e.g., orange juice fortified with calcium; iodized salt fortified with iodine ).
The metals copper, zinc, iron, and manganese are examples of metals that are essential for the normal functioning of most plants and the bodies of most animals, such as the human body. A few ( calcium , potassium , sodium ) are present in relatively larger amounts, whereas most others are trace metals , present in smaller but important amounts ...
FoodData Central is USDA's integrated data system that contains five types of data containing information on food and nutrient profiles: [2] Standard Reference, using earlier approaches to determining nutrient profiles of foods in the marketplace, provides a comprehensive list of values for nutrients and food components that are derived from calculations and analyses.
Baby food labels will disclose levels of lead and other toxic heavy metals via QR codes, thanks to a California law taking effect January 1.
As foods vary by brands and stores, the figures should only be considered estimates, with more exact figures often included on product labels. For precise details about vitamins and mineral contents, the USDA source can be used. [1] To use the tables, click on "show" or "hide" at the far right for each food category.
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