publication . Article . 2014

OPTIMIZATION OF CONDITIONS FOR ANTHOCYANIN DYES EXTRACTION FROM THE VEGETABLE MATERIALS

Переверткина, Инна Васильевна; Волков, Алексей Дмитриевич; Титова, Надежда Николаевна; Болотов, Владимир Михайлович;
Open Access Russian
  • Published: 10 Jun 2014 Journal: Khimiia rastitel'nogo syr'ia (Chemistry of plant raw material) (issn: 1029-5143, eissn: 1029-5151, Copyright policy)
  • Publisher: Altai State University
Abstract
Investigation of the influence of different factors (row material type, solvent type, temperature, pH and duration of process) on the extraction efficiency was carried out for optimization of the anthocyanin dyes extraction process from vegetable raw materials. The conditions which allow to increase the selectivity of red dyes extraction, simplify and intensify the process of dyes production were found. To obtain the dye with a maximum pigments concentration from dark berries 1 g of dried and grinded pomaces were mixed with 5 cm3 of 50% water solution of glicerol; extraction was carried out at 70–98 °С for 0,5–1 h at stirring. The solids were filtered out and sq...
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