C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
C07K 14/415 (2006.01)
Patent
CA 2651583
Methods and systems for obtaining zein and/or xanthophylls in highly pure form. Zein is first extracted from corn using aqueous ethanol. Suspended corn solids are separated, and the resulting extract is purified in a single size-exclusion chromatography step to separate impurities and produce substantially purified zein. The chromatography step may simultaneously produce substantially purified xanthophylls.
L'invention concerne des procédés et des systèmes permettant d'obtenir de la zéine et/ou des xantophylles sous une forme très pure. Un procédé consiste : à extraire tout d'abord de la zéine de maïs à l'aide d'éthanol aqueux; à séparer les solides de maïs en suspension; et à purifier l'extrait obtenu au cours d'une étape de chromatographie d'exclusion, afin de séparer les impuretés et de produire de la zéine sensiblement purifiée. L'étape de chromatographie permet de produire simultanément des xantophylles sensiblement purifiées.
Cheryan Munir
Kale Aniket V.
Shane Phil
Zhu Fangyi
Perley-Robertson Hill & Mcdougall Llp
Shane Phil
The Board Of Trustees Of The University Of Illinois
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