Film technological extracting method for L-phenylalanine
A technology of phenylalanine and extraction method, applied in chemical instruments and methods, preparation of organic compounds, organic chemistry, etc., can solve the problems of large amount, high consumption, low product purity and the like
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0017] Take 10 liters of enzymatic conversion solution, the concentration of L-phenylalanine is 20 g / L, select 0.1m 2 The inorganic ceramic membrane is filtered at 0.1MPa and 25C, and the light transmittance of the filtered solution is 86%. The material of the inorganic membrane is alumina or zirconia, and the membrane pore size is 0.2-1μ. The filtrate utilizes a polysulfone membrane to remove miscellaneous proteins, the solution filtration pressure is 0.15-0.25Mpa, and the membrane molecular weight is 5000-30000 to obtain 11 liters of L-phenylalanine primary extract with a protein removal rate of more than 95%. The concentration of L-phenylalanine was 17.6 g / L, and the yield of L-phenylalanine was 96.7%.
Embodiment 2
[0019] Take 10 liters of enzymatic conversion solution, the concentration of L-phenylalanine is 20 g / L, filter with polysulfone membrane, the light transmittance of the solution reaches 82%, and the molecular weight of the membrane is 30000-100000. The filtrate utilizes a polysulfone membrane to remove miscellaneous proteins, the solution filtration pressure is 0.15-0.25MPa, and the membrane molecular weight is 5000-30000 to obtain 12 liters of L-phenylalanine primary extract with a protein removal rate of 94%. - The concentration of phenylalanine is 16.2 g / l and the yield of L-phenylalanine is 97.2%.
Embodiment 3
[0021] Get 10 liters of the first extract of Example 1 (the concentration of phenylalanine is 17.6 grams per liter), use polysulfone membrane as filter membrane, the molecular weight of membrane is 1000-3000, at 1.5-3.5MPa, 25-40 ℃ Under the condition of filtration and decolorization, the color removal rate is above 97%, and the yield of L-phenylalanine is 97.5%; the decolorization solution is desalted and concentrated by polysulfone membrane with a molecular weight of 200-800, and the removal rate of sodium chloride is When the solution was concentrated to 50-70 g / L, the pH was adjusted to 5.0-6.0 with sodium hydroxide, crystallized and precipitated to obtain 159.1 g of L-phenylalanine crystals with a purity of 96.7%.
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com