The present invention pertains to a process of improving the total yield of curcuminoids from curcuminoid-containing material. More specifically, there is provided a process wherein a second residue, previously considered a waste resulting from a crystallization step of a curcuminoid-containing phase, is made useful by improving the coloring properties of this second residue by extraction with hexane and/or methanol at ambient temperature. The process improves the total yield of curcuminoids by 30-40%.

A invenção atual pertence a um processo de melhorar o rendimento total dos curcuminoids do material curcuminoid-contendo. Mais especificamente, é fornecido um processo wherein um segundo resíduo, considerado previamente um desperdício resultando de uma etapa da cristalização de uma fase curcuminoid-contendo, é feito útil melhorando as propriedades de coloração deste segundo resíduo pela extração com hexane e/ou metanol na temperatura ambiental. O processo melhora o rendimento total dos curcuminoids por 30-40%.

 
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