单词 | pseudoionone |
释义 | > as lemmaspseudoionone pseudoionone n. Brit. /ˌs(j)uːdəʊˈʌɪənəʊn/ , U.S. /ˌsudoʊˈaɪəˌnoʊn/ [after German Pseudoionon (F. Tiemann & P. Krüger 1893, in Berichte der Deutsch. Chem. Ges. 26 2692)] Chemistry = ionone n. 2.ΚΠ 1894 Jrnl. Chem. Soc. 66 i. 82 Geranaldehyde undergoes condensation with acetone, yielding pseudoionone. 1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) xli. 628 The condensation of citral..with acetone to form the unsaturated ketone pseudo-ionone. 1942 H. R. Rosenberg Chem. & Physiol. Vitamins 46 γ-Carotene has..the same number of carbon atoms as all other provitamins, only in the form of an aliphatic chain (pseudo-ionone structure), as in lycopene. 2002 P. Winterhalter & R. L. Rouseff Carotenoid-derived Aroma Compounds i. 8 Typical for tomato..flavor is the presence of acyclic carotenoid cleavage products that are derived from lycopene, such as..pseudoionone. < as lemmas |
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