Method for extracting fructose from hawthorn and detecting fructose content

Abstract

The invention discloses a method for extracting fructose from hawthorn and detecting fructose content and relates to the field of fructose extraction. The method comprises the following steps: selecting raw materials, performing pretreatment, squeezing hawthorns, cleaning hawthorn juice, crystallizing fructose and detecting the content. When the raw materials are selected, full and mildew-free fresh hawthorns are selected; the hawthorns are cleaned and sealed before the hawthorn squeezing process, and pollution is avoided; during squeezing, the hawthorns are completely squeezed due to repeatedsqueezing; in the hawthorn juice cleaning process, secondary carbonatization is performed, the obtained hawthorn juice is clear juice, the purity of the sugar juice is improved, the viscosity and color value are reduced, high-quality raw syrup is provided for the crystallization process, and the obtained fructose crystalline particles are pure. The final content detection method is simple in steps, the amount of the used reagents is small, and the method is suitable for manual operation.

Description

technical field [0001] The invention relates to the field of fructose extraction, in particular to a method for extracting fructose from hawthorn and detecting the fructose content. Background technique [0002] Containing 6 carbon atoms in fructose, it is also a monosaccharide, which is an isomer of glucose. It exists in a large amount in fruit juice and honey in a free state. Fructose can also combine with glucose to form sucrose. Pure fructose is a colorless crystal with a melting point of 103-105°C. It is not easy to crystallize and is usually a viscous liquid that is easily soluble in water, ethanol and ether. [0003] In the prior art, since the fructose content in hawthorn is not very high, the steps of extracting fructose from hawthorn are cumbersome and difficult to operate, accompanied by the following problems: during the pressing process of hawthorn, the hawthorn is not squeezed thoroughly, and the squeezed juice contains more Hawthorn crumbs and pigments are no...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, since the fructose content in hawthorn is not very high, the steps of extracting fructose from hawthorn are cumbersome and difficult to operate, accompanied by the following problems: during the pressing process of hawthorn, the hawthorn is not squeezed thoroughly, and the squeezed juice contains more Hawthorn crumbs and pigments are not easy to handle, and the obtained sugar juice is impure and has a high viscosity, which cannot provide high-quality raw material syrup for the crystallization process

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