Method for extracting Sanzan gum from fermentation liquor and product thereof
A technology of fermented liquid and sanzan gum, which is applied in the field of extracting sanzan gum, can solve the problems that the number of microorganisms in the product is difficult to control, does not have the value of scale-up production application, and cannot realize industrial production, etc., and achieves high production scalability and low production cost Low, stable whiteness effect
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Embodiment 1
[0046] The present embodiment provides a kind of method for extracting Sanzan gum product of the present invention, comprises the following steps:
[0047] (1) Add sodium chloride equivalent to 0.9% (m / m) of the fermentation broth (in the form of an aqueous solution) to the fermentation broth, stir evenly and then let stand for 15 minutes.
[0048] (2) In the solution obtained in step (1), add a 70% (v / v) ethanol solution until the alcohol content in the raw material solution reaches 35±5% (v / v).
[0049] (3) Add 6 mol / L sulfuric acid solution to the solution obtained in step (2), and measure the pH of the material to 1.75 while stirring to obtain a sedimentation liquid with fiber materials.
[0050] (4) Separating the sedimentation liquid to obtain fibrous material agglomerates and mother liquor.
[0051] (5) Add 400 mL of 95% (v / v) ethanol solution to the 200 g mass of material obtained in step (4), stir to adjust the ethanol concentration in the material to 76.8% (v / v), an...
Embodiment 2
[0058] The present embodiment provides a kind of method for extracting Sanzan gum product of the present invention, specifically as follows:
[0059] (1) Add potassium chloride equivalent to 0.7% (m / m) of the fermentation broth (added in the form of aqueous solution) to the fermentation broth, stir evenly and then let it stand for 20 minutes.
[0060] (2) In the solution obtained in step (1), add a concentration of 85.2% (v / v) ethanol solution (obtained by the 9th step in the above-mentioned Example 1) to reach 35 ± 5% alcohol content in the raw material solution (v / v).
[0061] (3) Add 6 mol / L hydrochloric acid solution to the solution obtained in step (2), and measure the pH of the material to 1.58 while stirring to obtain a sedimentation liquid with fiber materials.
[0062] (4) Separating the sedimentation liquid to obtain fibrous material agglomerates and mother liquor.
[0063] (5) in the 200g material agglomerate that step (4) obtains, add the ethanol solution of 900m...
Embodiment 3
[0070] The present embodiment provides a kind of method for extracting Sanzan gum product of the present invention, specifically as follows:
[0071] (1) Add anhydrous calcium chloride equivalent to 0.5% (m / m) of the fermentation broth (added in the form of aqueous solution) to the fermentation broth, stir evenly and let stand for 15 minutes.
[0072] (2) In the solution obtained in step (1), adding a concentration of 85.2% (v / v) ethanol solution (obtained in the 9th step in the above-mentioned embodiment 1) reaches 35 ± 5% ( v / v).
[0073] (3) Add 6 mol / L hydrochloric acid solution to the solution obtained in step (2), and measure the pH of the material to 1.88 while stirring to obtain a sedimentation liquid with fiber materials.
[0074] (4) Separating the sedimentation liquid to obtain fibrous material agglomerates and mother liquor.
[0075] (5) in the 200g material agglomerate that step (4) obtains, add the ethanol solution of 950mL 85.2% (v / v) (the 9th step obtains in ...
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