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Production method of low-cost and high-quality xanthan gum

A production method and a technology for xanthan gum are applied in the production field of low-cost and high-quality xanthan gum, which can solve the problems that production enterprises have no time to take into account product quality, are unfavorable for the promotion and application of xanthan gum, and have fierce competition in the product market, thereby reducing production costs. Cost, continuous automation, effect of long dwell time

Active Publication Date: 2017-10-24
新疆梅花氨基酸有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CN101363037A discloses a xanthan gum medium prepared from starch waste water and active medical stone granules. Although the medium can reduce the cost of the medium to a certain extent, its preparation steps are very cumbersome, and the popularization and application of xanthan gum is not utilized.
The expansion of production has caused fierce competition in the product market, prices have been falling, and the profits of production companies are getting lower and lower, even reaching the edge of costs. Expansion in higher-end market segments

Method used

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  • Production method of low-cost and high-quality xanthan gum
  • Production method of low-cost and high-quality xanthan gum
  • Production method of low-cost and high-quality xanthan gum

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Present embodiment provides a kind of production method of low-cost high-quality xanthan gum, the method comprises the steps:

[0044] (1) The 250L fermentation tank is empty, the temperature is set at 129-130°C, the tank pressure is 0.19-0.20MPa, and the time is 30min;

[0045] (2) 25L fed-batch tank is empty, the temperature is 129~130℃, the tank pressure is 0.18~0.20MPa, and the time is 30min;

[0046] (3) Add culture medium to 250L fermenter, the medium is: dry corn flour 10.8Kg, light calcium carbonate 576g, yeast extract 54g, peptone 108g, MnSO 4 18g, MgSO 4 18g, polyether polyol defoamer 54g, add 100L water and stir for 30min, then add pure water to set the volume to 180L;

[0047] (4) Add 900g cottonseed meal into a 25L hydrolysis tank, add about 5L water and stir for 30 minutes until the cottonseed meal is evenly suspended in water, add water and stir to make it 20L, then add 10% NaOH aqueous solution to adjust the pH to 11.3, Heat up to 83°C for hydrolysi...

Embodiment 2

[0058] Present embodiment provides a kind of production method of low-cost high-quality xanthan gum, the method comprises the steps:

[0059] (1) 2.5m 3 The fermentation tank is empty, the temperature is set at 128-129°C, the tank pressure is 0.18-0.19MPa, and the time is 30min;

[0060] (2) 250L fed-batch tank is empty, the temperature is 128~129℃, the tank pressure is 0.18~0.19MPa, and the time is 30min;

[0061] (3) The 250L seed tank is empty, the temperature is 128~129℃, the tank pressure is 0.18~0.19MPa, the time is 30min, after cooling down, the ingredients are 2.0Kg of sugar, 130g of peptone, 1.05Kg of soybean powder, 250g of yeast extract, and 160g of sodium chloride. , light calcium carbonate 160g, defoamer 50g, K 2 HPO 4 30g, MgSO 4 30g, add pure water to make the volume 200L;

[0062](4) Add 9Kg cottonseed meal into the 250L hydrolysis tank, add about 50L water and fully stir for 30 minutes until the cottonseed meal is evenly suspended in water, add water and ...

Embodiment 3

[0076] Present embodiment provides a kind of production method of low-cost high-quality xanthan gum, the method comprises the steps:

[0077] (1) 25m 3 The fermentation tank is empty, the temperature is set at 128-129°C, the tank pressure is 0.18-0.19MPa, and the time is 30min;

[0078] (2)2.5m 3 The feeding tank is empty, the temperature is 128-129°C, the tank pressure is 0.18-0.19MPa, and the time is 30min;

[0079] (3) The 250L primary seed tank is empty, the temperature is 128~129℃, the tank pressure is 0.18~0.19MPa, the time is 30min, after cooling down, the ingredients are 2.0Kg white sugar, 130g peptone, 1.05Kg soybean powder, 250g yeast extract, chlorinated Sodium 160g, light calcium carbonate 160g, defoamer 50g, K 2 HPO 4 30g, MgSO 4 30g, add pure water to make the volume 200L;

[0080] (4)2.5m 3 The second-level seed tank is empty, the temperature is 128-129°C, the tank pressure is 0.18-0.19MPa, and the time is 30min. After cooling down, the ingredients includ...

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Abstract

The invention provides a production method of low-cost and high-quality xanthan gum. The method comprises the following steps of using a fermentation culture medium using dry process corn powder as major raw materials; using Xanthomonas arboricola for fermentation to prepare fermentation liquid; obtaining xanthan gum by using a fermentation liquid post treatment step, wherein through being metered by 100 percent of the total volume of the fermentation culture medium, the fermentation culture medium comprises 4 to 7 percent of the dry process corn powder according to the mass volume ratio; the mass volume ratio has the unit of Kg / L. In addition, the fermentation culture medium for producing xanthan gum through Xanthomonas arboricola fermentation provided by the invention comprises the major raw materials of dry process corn powder. Through the replacement of the fermentation raw materials; the production cost of the xanthan gum is reduced.

Description

technical field [0001] The invention relates to the technical field of xanthan gum production, in particular to a production method of low-cost and high-quality xanthan gum. Background technique [0002] Xanthan gum is an extracellular acidic heteropolysaccharide produced by the fermentation of Xanthomonas bacteria. It is a polysaccharide polymer compound composed of D-glucose, D-mannose and D-glucuronic acid, with a relative molecular mass of 100. More than ten thousand. The secondary structure of xanthan gum is that the side chains are reversely wound around the backbone of the main chain, and are maintained by hydrogen bonds to form a rod-shaped double helix structure. The unique structure forms the strong chemical stability of xanthan gum. [0003] Xanthan gum is currently the most superior bio-glue. It has the general properties of long-chain polymers, and it contains more functional groups than ordinary polymers, and it will show unique properties under certain condi...

Claims

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Application Information

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IPC IPC(8): C12P19/06C12N1/20C12R1/64
CPCC12N1/20C12P19/06
Inventor 常利斌袁卫涛李振华刘家开宋丙华
Owner 新疆梅花氨基酸有限责任公司
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