crocin

crocin
\\ˈkrōsən, -sə̇n\ noun (-s)
Etymology: International Scientific Vocabulary croc- (from Latin crocus saffron) + -in; probably originally formed in German — more at crocus
: a yellow glycoside C44H64O24 of crocetin occurring in species of crocus (as saffron) and gardenia that is active in inducing sexual change in certain algae

* * *

crocin Chem.
(ˈkrəʊsɪn)
[f. L. croc-us saffron + -in.]
A red powder, the colouring matter of Chinese Yellow pods, the fruit of Gardenia grandiflora, with which the robes of Chinese mandarins are dyed. A supposed product of the action of hydrochloric acid on crocin is ˈcrocetin.
1863–72 Watts Dict. Chem. II. 108.

Useful english dictionary. 2012.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Crocin — Cro cin (kr? s?n), n. [Gr. ???? saffron.] (Chem.) (a) The coloring matter of Chinese yellow pods, the fruit of {Gardenia grandiflora}. Watts. (b) A red powder (called also {polychroite}), which is made from the saffron ({Crocus sativus}). See… …   The Collaborative International Dictionary of English

  • Crocin — u. Crocetin (Chem.), s.u. Polychroit …   Pierer's Universal-Lexikon

  • Crocīn — C58H86O31, findet sich in den chinesischen Gelbschoten (Gardenia grandiflora) und wird aus deren alkoholischem Extrakt abgeschieden. Es ist morgenrot, geruchlos, amorph, löst sich in Wasser und Alkohol, sehr schwer in Äther, bildet mit verdünnten …   Meyers Großes Konversations-Lexikon

  • Crocin — Crocīn oder Polychroit, Farbstoff des Safrans, zerfällt beim Kochen mit Säuren in Zucker und Crocetin; dient zum Gelbfärben …   Kleines Konversations-Lexikon

  • Crocin —   [zu griechisch krókeos »safrangelb«] das, s, der gelbe Hauptfarbstoff des Safrans; besteht aus dem an beiden Carboxylgruppen mit Gentiobiose veresterten Crocetin.   …   Universal-Lexikon

  • Crocin — This article is about a naturally occurring compound. For the Indian brand of painkiller of same name, see paracetamol. Chemical structure of crocin. Crocin is a natural carotenoid chemical compound that is found in the flowers crocus and… …   Wikipedia

  • Crocin — Strukturformel Allgemeines Name Crocin Summenformel C …   Deutsch Wikipedia

  • crocin — Polychroite Pol y*chro*ite, n. [Poly + Gr. ? color: cf. F. polychro[ i]te.] (Chem.) The coloring matter of saffron; formerly so called because of the change of color on treatment with certain acids; called also {crocin}, and {safranin}. [1913… …   The Collaborative International Dictionary of English

  • crocin — noun A natural carotenoid that is found in the flowers crocus and gardenia …   Wiktionary

  • Crocin — Cro|cin [kro tsi:n] das; s <zu gr. krókeos »safrangelb« u. ↑...in> gelber Hauptfarbstoff des Safrans …   Das große Fremdwörterbuch

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”