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As meat cooks, the iron atom loses an electron, moving to a +3 oxidation state and coordinating with a water molecule (H 2 O ), which causes the meat to turn brown. Searing raises the meat's surface temperature to 150 °C (302 °F), yielding browning via the caramelization of sugars and the Maillard reaction of amino acids.
The Food Defect Action Levels: Levels of Natural or Unavoidable Defects in Foods That Present No Health Hazards for Humans is a publication of the United States Food and Drug Administration's Center for Food Safety and Applied Nutrition [1] detailing acceptable levels of food contamination from sources such as maggots, thrips, insect fragments, "foreign matter", mold, rodent hairs, and insect ...
Meat inspection is a crucial part of food safety measures and encompasses all measures directed towards the prevention of raw and processed meat spoilage. Relevant regulations include: Federal Meat Inspection Act; Wholesome Meat Act; Inspected beef carcasses tagged by the USDA. These are enacted by Food Safety and Inspection Service
A review of 14 studies of HCA content in ground beef cooked under home conditions found in northern Europe and the U.S. found a range of values (Table 2). Because a standard U.S. serving of meat is 3 ounces, Table 2 includes a projection of the maximum amount of HCAs that could be found in a ground beef patty.
Muscle tissue is high in protein, containing all of the essential amino acids, and in most cases is a good source of zinc, vitamin B 12, selenium, phosphorus, niacin, vitamin B 6, choline, riboflavin and iron. [28] Several forms of meat are high in vitamin K. [29] Muscle tissue is very low in carbohydrates and does not contain dietary fiber. [30]
Fortification is present in common food items in two different ways: adding back and addition. Flour loses nutritional value due to the way grains are processed; enriched flour has iron, folic acid, niacin, riboflavin, and thiamine added back to it. Conversely, other fortified foods have micronutrients added to them that don't naturally occur ...
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Iron is pervasive, but particularly rich sources of dietary iron include red meat, oysters, beans, poultry, fish, leaf vegetables, watercress, tofu, and blackstrap molasses. [10] Bread and breakfast cereals are sometimes specifically fortified with iron.