Preparation method of 5-aminolevulinic acid spray-dried powder

Preparation method of 5-aminolevulinic acid spray-dried powder

The invention relates to the field of feed production, in particular to a preparation method of 5-aminolevulinic acid spray-dried powder, which comprises the following steps: carrying out solid-liquid separation operation on 5-aminolevulinic acid fermentation liquor by using a centrifugal machine, a...

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Hauptverfasser: ZHANG GUANGMIN, XU ZUOHAI, LIU JIA, SUN MIN, CHEN KAI, CAI HUIYI, HUA YUEFEI
Format: Patent
Sprache:chi ; eng
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FODDER
FOODS OR FOODSTUFFS
HUMAN NECESSITIES
THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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creator ZHANG GUANGMIN
XU ZUOHAI
LIU JIA
SUN MIN
CHEN KAI
CAI HUIYI
HUA YUEFEI
description The invention relates to the field of feed production, in particular to a preparation method of 5-aminolevulinic acid spray-dried powder, which comprises the following steps: carrying out solid-liquid separation operation on 5-aminolevulinic acid fermentation liquor by using a centrifugal machine, and collecting supernate; acidifying the supernate, heating, carrying out solid-liquid separation operation on the treated liquid again by adopting plate-and-frame pressure filtration, collecting filtrate, filtering and sterilizing by utilizing a 100nm ceramic membrane, and adsorbing by using cation exchange resin to obtain 5-aminolevulinic acid eluent; and acidifying the eluent with a sulfuric acid solution until the pH value is 3.0-3.5, adding maltodextrin, stirring to obtain a stirred mixture, adding a moisture-proof agent to obtain a to-be-sprayed liquid, and preparing the to-be-sprayed liquid into spray-dried powder. According to the method, the content of viscous substances in the fermentation liquor can be re
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subjects FODDER
FOODS OR FOODSTUFFS
HUMAN NECESSITIES
THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
title Preparation method of 5-aminolevulinic acid spray-dried powder
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