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An onion (Allium cepa L., from Latin cepa meaning "onion"), also known as the bulb onion or common onion, is a vegetable that is the most widely cultivated species of the genus Allium. The shallot is a botanical variety of the onion which was classified as a separate species until 2011.
The chemical is released from onions, Allium cepa, as they are sliced. The release is due to the breaking open of the onion cells, which releases enzymes called alliinases . Alliinases then break down amino acid sulfoxides , generating sulfenic acids .
Onion powder. Onion powder is dehydrated, ground onion used as a seasoning. [1] It is a common ingredient in seasoned salt and spice mixes, [1] such as beau monde seasoning. [2] Some varieties are prepared using toasted onion. [1] [3] White, yellow, and red onions may be used. [1] Onion powder is a commercially prepared food product that has ...
These enzymes are found in plants of the genus Allium, such as garlic and onions. Alliinase is responsible for catalyzing chemical reactions that produce the volatile chemicals that give these foods their flavors, odors, and tear-inducing properties. Alliinases are part of the plant's defense against herbivores.
Sulfenic acids are produced by the enzymatic decomposition of alliin and related compounds following tissue damage to garlic, onions, and other plants of the genus Allium. 1-Propenesulfenic acid, formed when onions are cut, is rapidly rearranged by a second enzyme, the lachrymatory factor synthase, giving syn-propanethial-S-oxide.
Produce company Taylor Farms has issued a voluntary recall on raw onions in connection with a deadly E. coli outbreak linked to McDonald's quarter pounders. The U.S. Food and Drug Administration ...
Allyl propyl disulfide is an organosulfur compound with the chemical formula C 3 H 5 S 2 C 3 H 7. It is a volatile pale-yellow liquid with a strong odor. It is a major component of onion oil and is used in food additives and flavors. [2] Allyl propyl disulfide is present in garlic and onion.
First Lady Melania Trump greets former First Lady Michelle Obama during the 2017 Presidential Inauguration at the U.S. Capitol on Jan. 20, 2017.