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First, DMAP and acetic anhydride react in a pre-equilibrium reaction to form an ion pair of acetate and the acetylpyridinium ion. In the second step the alcohol adds to the acetylpyridinium, and elimination of pyridine forms an ester. Here the acetate acts as a base to remove the proton from the alcohol as it nucleophilically adds to the ...
Printable version; In other projects Wikidata item; Appearance. move to sidebar hide ... Burger, fast food: 36: 44: 6 Cheeseburger, fast food: 43: 40: 7 Breaded ...
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.
Apples. The original source of sweetness for many of the early settlers in the United States, the sugar from an apple comes with a healthy dose of fiber.
The USDA's food pyramid from 2005 to 2011, MyPyramid. The USDA food pyramid was created in 1992 and divided into six horizontal sections containing depictions of foods from each section's food group. It was updated in 2005 with black and white vertical wedges replacing the horizontal sections and renamed MyPyramid. MyPyramid was often displayed ...
To help you get started, try eating these foods packed with fiber, nutrients and healthy fats—like leafy greens, berries, fish, nuts and seeds—to help make eating healthy taste great.
Fill Up on Produce: Instead of focusing on removing foods from your diet, think about how to add more fruits and veggies to meals you already enjoy.
yellow pigments . Canthaxanthin paprika, mushrooms, crustaceans, fish and eggs.; β-Cryptoxanthin to vitamin A mango, tangerine, orange, papaya, peaches, avocado, pea ...