METHOD FOR PREPARING STACHYOSE
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United States of America
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Issued Date -
Feb 20, 2025
app pub date -
Dec 27, 2022
filing date -
Dec 27, 2022
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Abstract
The present disclosure provides a method for preparing stachyose, which method belongs to the technical field of the production of carbohydrates. The method includes: breaking the wall of Stachys affinis; subjecting the resulting wall-broken material to filter pressing to obtain a filtrate and filter residues; decoloring the filtrate to obtain a decolored liquid; filtering the decolored liquid with a nanofiltration membrane to obtain a nanofiltration liquid; subjecting the nanofiltration liquid to a mixed bed ion exchange treatment to obtain an exchanged liquid; purifying the exchanged liquid by means of continuous simulated moving bed chromatography to obtain a purified liquid; and concentrating and vacuum drying the purified liquid to obtain stachyose.
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