Carthamin

Japanese: カルタミン
Carthamin

C 43 H 42 O 22 (910.77). The petals of Carthamus tinctorius , a safflower of the Asteraceae family, contain the flavonoid pigments carthamin (red) and safflor yellow A and B (yellow). After the water-soluble safrole yellow is eluted with water, the phenolic carthamin is eluted with an aqueous solution of sodium carbonate. Red needle-like crystals (pyridine). Melting point 228-230°C. Used as a red dye, as well as for coloring food and cosmetics. [ I ] Safrole yellow A: C 27 H 30 O 15 (594.51). λ max 400, 335. 226 nm (ε 10200, 6200, 7800. Methanol). [ II ] Safrole yellow B: C 48 H 54 O 27 (1062.94). λ max 408, 330, 240 nm (ε 22600, 14600, 10900. Methanol).

Source: Morikita Publishing "Chemical Dictionary (2nd Edition)" Information about the Chemical Dictionary 2nd Edition

Japanese:

C43H42O22(910.77).キク科ベニバナCarthamus tinctorius の花びらには,フラボノイド系色素カルタミン(赤色)とサフロールイエロー(safflor yellow)A,B(黄色)が含まれている.水溶性のサフロールイエローを水で溶出した後,炭酸ナトリウム水溶液でフェノール性のカルタミンを溶出する.赤色の針状晶(ピリジン).融点228~230 ℃.紅染の染料として用いるほか,食品,化粧品の着色に用いられる.【】サフロールイエローA:C27H30O15(594.51).λmax 400,335.226 nm(ε 10200,6200,7800.メタノール).【】サフロールイエローB:C48H54O27(1062.94).λmax 408,330,240 nm(ε 22600,14600,10900.メタノール).

出典 森北出版「化学辞典(第2版)」化学辞典 第2版について 情報

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