| 简介 |
FIELD : food industry.SUBSTANCE : invention relates to a technology for complex vegetables processing. Dandelion roots are prepared, milled and extracted with nano-structured water at a phase ratio of 1 : (3-8) in a rotary-cavitational extractor, cavitation index 0.05-0.1, at a temperature of 75-80°C for 10-15 minutes. The phases are separated; the extract is purified by tangential microfiltration through membranes with a 0.14-0.2 mcm pore size to produce an inuline-containing solution. Cake is re-extracted with nano-structured water at a phase ratio of 1 : (3-5) in a rotary-cavitational extractor, cavitation index 2.1-2.5, for 10-15 minutes. The phases are separated; the repeatedly produced extract is purified by tangential microfiltration through membranes with a nearly 1.4 mcm pore size. The extract is concentrated in a vacuum evaporator membranous installation and dried in an ultrasonic spraying machine to produce pectin. The cake produced after re-extraction is squeezed and dried to produce food fibres.EFFECT : invention allows to implement complex processing of dandelion roots with high efficiency of its components separation and high purity of finished products.3 cl |
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