carnitine
English
Etymology
From Latin caro/carnis (“flesh, meat”) + t + -ine, for it was first described in meat extracts in 1905.
Pronunciation
- (Received Pronunciation) IPA(key): /ˈkɑː.nɪt.iːn/
- (General American) IPA(key): /ˈkɑɹ.nəˌtiːn/
Noun
carnitine (countable and uncountable, plural carnitines)
- (organic chemistry) A betaine, 3-hydroxy-4-trimethylammonio-butanoate, that is found in the liver and has a function in fatty acid transport.
- 2007, Shari Lieberman, Nancy Pauling Bruning, The Real Vitamin and Mineral Book, 4th Edition, unnnumbered page,
- Although often called an amino acid because of its chemical makeup, L-carnitine is actually a vitaminlike nutrient, related in structure to the B vitamins. L-carnitine is the biologically active form of carnitine.
- 2014, Peggy R. Borum, Carnitine homeostasis in humans, Benjamin Toby Wall, Craig Porter (editors), Carnitine Metabolism and Human Nutrition, page 4,
- Carnitine likely functions in maintaining homeostasis in many metabolic pathways and physiological conditions, with carnitine's role in energy metabolism homeostasis being the best studied.
- 2015, Bruno Giammusso, “16: Dietary Complements and Phytotherapy”, in Giorgio Cavallini, Giovanni Beretta, editors, Clinical Management of Male Infertility, Springer, page 155:
- Carnitines are quaternary amines synthesized from the amino acids lysine and methionine.
- 2007, Shari Lieberman, Nancy Pauling Bruning, The Real Vitamin and Mineral Book, 4th Edition, unnnumbered page,
Synonyms
- CAR (abbreviation)
Derived terms
- acetylcarnitine
- acylcarnitine
- CAR
- carnityl
- D-carnitine
- dextrocarnitine
- DL-carnitine
- L-carnitine
- levocarnitine
- octanoylcarnitine
- palmitoylcarnitine
Translations
Italian
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