FIELD: chemistry.
SUBSTANCE: invention refers to food industry. Method of producing extractive substances of Siberian cedar seed coat includes milling the seed coat that is followed with two-stage extraction to precipitate end product. The seed coat is milled to particle size 100-200 mcm. The basic extraction is enabled with 40% aqueous-soda liquor within 25-30 minutes. After extraction cake is removed, it is additionally extracted with aqueous-soda liquor concentrated 2.0-2.5 g/l within 25-30 minutes. The basic and additional extraction are enabled in microwave electromagnetic at microwave power 300-400 W/h/kg, temperature 80-90°C, the hydraulic index 8-10 dm3/kg. After soda extract is neutralised, it is mixed with the basic extract and concentrate.
EFFECT: intensified process and higher yield of extractive substances.
2 tbl, 3 ex
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