The Abraham and Isaac story in Genesis 22 is often given to show Godâs rejection of human sacrifice and, as it is in the Bible today, that may well have been the purpose. But, like a cheerful fairy tale that comes from a darker original, the Isaac story may not initially have had its happy ending.
Spinach contains high amounts of vitamin A in the form of beta-carotene, with 1 cup of raw spinach providing 2813 international units, or 56 percent of the DV.
Plants have always been a main source of minerals for humans. When you eat raw spinach, for example, it contains tiny amounts of iron, calcium, magnesium, zinc, copper, and selenium (source). But... the zinc found in spinach is drastically different than zinc mined from the earth or found in sea water. When the spinach plant absorbs the zinc from the soil, it changes the molecular structure of this rock. By adding a few molecules, the zinc goes from a ionic compound to a covalent compound.