Culture medium for scale production of photosynthetic bacteria

A technology for the production of culture medium and photosynthetic bacteria, applied in the direction of bacteria, microorganisms, and methods based on microorganisms, to achieve the effect of reducing production costs and brightly colored bacteria

Inactive Publication Date: 2012-05-23
江苏邦德生物科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the problems of the above-mentioned medium, the present invention provides a large-scale production medium of photosynthetic bacteria, which solves the phenomenon of cyanobacteria in the production of photosynthetic bacteria in high temperature seasons, reduces the contamination rate of miscellaneous bacteria, reduces the production cost, and makes the product Significantly improved quality and yield, suitable for rapid and large-scale production of photosynthetic bacteria

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0008] Specific embodiment one: the present embodiment photosynthetic bacteria culture medium is made of NH4CL, CH3COONa, KH2PO4, MgSO4, CaCLCH3CH2OH and trace bacillus, yeast powder, trace elements and sterile water; The content of CH3COONa is 0.65~1.2g / L, the content of KH2PO4 is 0.01~0.03g / L, the content of MgSO4 is 0.01~0.03g / L, and the content of CaCL2 is 0.8~2.0g / L, the content of CH3CH2OH is 1.5-3g / L, the content of bacillus is 0.01-0.05g / L, the content of yeast powder is 0.005-0.02g / L, the content of trace elements is 0.8-1.2ml / L and the rest is none Bacteria water; trace elements are zinc, manganese, copper, iron; pH value 5.5~7.5.

specific Embodiment approach 2

[0009] Specific embodiment two: what this embodiment differs from specific embodiment one is that the nitrogen content of ammonium salt in every 1L photosynthetic bacteria culture medium adopts NHHCO21.g / L, and carbon adopts brown sugar content to be 2g / L, other and specific embodiment one same.

specific Embodiment approach 3

[0010] Specific embodiment three: present embodiment photosynthetic bacteria culture medium is made by NHCL, CHCOONa, KHPO4, MgSO4, CaCLCHCHCHOH and trace bacillus, yeast powder, trace elements and sterile water; The content of CH3COONa is 100g, the content of CH3COONa is 100g, the content of KH2PO4 is 20g, the content of MgSO4 is 20g, the content of CaCl2 is 100g, the content of CH3CH2OH is 200g, the content of Bacillus is 50g, the content of yeast powder is 10g, and the content of trace elements is 100ml and the rest of sterile water; trace elements are zinc, manganese, copper, iron; with a pH value of 6-7.

[0011] When the photosynthetic bacteria culture medium in the present embodiment and the traditional culture medium cultivate photosynthetic bacteria under the same conditions, the rise of the pH value will not occur due to the prolongation of the cultivation time, and the growth of photosynthetic bacteria will not be inhibited; the overall cost is low, and the bacteria ...

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Abstract

The invention relates to a culture medium for large scale production of photosynthetic bacteria, particularly aiming to solve the problem that when the photosynthetic bacteria are cultured in high-temperature weather in summer, blue (green) algae are generated to result in instable quality. The invention further solves the problems of non-bright thallus color, high cost and low thallus concentration caused by using high-concentration yeast extract for producing the photosynthetic bacteria. The culture medium for the photosynthetic bacteria is composed of NH4CL (or NH4HCO2), CH3COONa, KH2PO4, MgSO4, CaCL2, CH3CH2OH, and trace bacillus, yeast powder, trace elements and sterile water; and the photosynthetic bacteria cultured by using the culture medium has the quality guarantee period reaching more than two years.

Description

Technical field [0001] The invention relates to a culture medium of photosynthetic bacteria, which can prevent and inhibit the growth of blue-green algae and other miscellaneous bacteria especially during large-scale cultivation in summer high temperature season. Background technique [0002] Light and bacteria are a kind of heterotrophic function in different natural environments. It is widely used in aquaculture, livestock and poultry industry, planting industry, water purification and new energy development. [0003] At present, the cultivation methods of photosynthetic bacteria include fully enclosed anaerobic cultivation and open microaeration cultivation. Fully enclosed culture is generally used for small-scale cultivation in laboratories, while open (cement pool) culture, the culture liquid is in a static state for a long time, and the airtightness is not good, and the growth of bacteria such as cyanobacteria is likely to produce cyanobacteria and other bacteria, whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20C12R1/01
Inventor 朱益明曾水群
Owner 江苏邦德生物科技发展有限公司
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