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Cruciferous vegetables, such as bok choy, broccoli, cabbage, cauliflower, kale, and others, are rich sources of glucosinolate precursors of isothiocyanates. [1]
In general, in a group across the periodic table, the more basic the ion (the higher the pK a of the conjugate acid) the more reactive it is as a nucleophile. Within a series of nucleophiles with the same attacking element (e.g. oxygen), the order of nucleophilicity will follow basicity.
“If you think of the richest, darkest, most colorful vegetables, that’s where you’re going to find those (nutrients),” Stastny said, while potassium-rich vegetables and fruit, such as ...
Iron is not a structural part of chlorophyll but very much essential for its synthesis. Copper deficiency can be responsible for promoting an iron deficiency. [20] It helps in the electron transport of plant. As with other biological processes, the main useful form of iron is that of iron(II) due to its higher solubility in neutral pH.
In chemistry, a nucleophilic substitution (S N) is a class of chemical reactions in which an electron-rich chemical species (known as a nucleophile) replaces a functional group within another electron-deficient molecule (known as the electrophile). The molecule that contains the electrophile and the leaving functional group is called the substrate.
Most adults in the U.S. aren't eating enough fiber. Start with high-fiber vegetables to get more in your diet. Learn why experts love these fiber-rich veggies.
As the name suggests, a non-nucleophilic base is a sterically hindered organic base that is a poor nucleophile.Normal bases are also nucleophiles, but often chemists seek the proton-removing ability of a base without any other functions.
[3] [4] Beyond its use to distinguish different types of food from each other, nutrient density allows comparison to be made for different examples or samples of the same kind of food. Nutrient density is correlated with soil quality and mineralization levels of the soil, [ citation needed ] although the relationship is complex and incorporates ...