- 5-aminolevulinic acid phosphate manufacturing method
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PROBLEM TO BE SOLVED: To provide a method of producing 5-aminolevulinic acid phosphate with coloring and melting during storage prevented.SOLUTION: A method of producing 5-aminolevulinic acid phosphate comprises mixing a solution of 5-aminolevulinic acid with a solution of phosphoric acid of a concentration of 50 mass% or lower in a mixing ratio, by mol, of 0.8-1.2 times the amount of 5-aminolevulinic acid in the solution.
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Paragraph 0028
(2017/02/24)
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- NOVEL CRYSTAL OF 5-AMINOLEVULINIC ACID PHOSPHATE AND PROCESS FOR PRODUCTION THEREOF
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To provide a novel crystal of 5-aminolevulinic acid phosphate having a high thermal stability, a high melting point, and an excellent moisture absorption resistance as well as a process for producing the same. A crystal of 5-aminolevulinic acid phosphate, which shows characteristic peaks at 7.9° ±0.2°, 15.8° ±0.2°, 18.9° ±0.2°, 20.7° ±0.2°, 21.1° ±0.2°, 21.4° ±0.2°, 22.9° ±0.2°, 33.1° ±0.2°, and 34.8 ±0.2° as diffraction angles 2θ in a powder X-ray diffraction, and a process for producing the same.
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Page/Page column 9
(2009/06/27)
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- METHOD FOR PRODUCTION OF PHOSPHATE SALT OF AMINO ACID
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To provide a production method of phosphates of amino acids, typified by δ-aminolevulinic acid phosphate, or esters thereof. A method for producing phosphates of an amino acid or an ester thereof, which comprises allowing an amino acid, an ester thereof o
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Page/Page column 8
(2009/01/24)
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- 5-AMINOLEVULINIC ACID PHOSPHATE SALT, PROCESS FOR PRODUCING THE SAME AND USE THEREOF
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A 5-aminolevulinic acid salt which is useful in fields of microorganisms, fermentation, animals, medicaments, plants and the like; a process for producing the same; a medical composition comprising the same; and a plant activator composition comprising the same.
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Page/Page column 7-8
(2008/06/13)
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- 5-AMINOLEVULINIC ACID SALT, PROCESS FOR PRODUCING THE SAME AND USE THEREOF
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A 5-aminolevulinic acid salt which is useful in the fields of microorganisms, fermentation, animals, medical science, plants and so on; a process for producing the same; a medicinal composition containing the same; and a plant vitalizer composition containing the same.
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Page/Page column 13
(2010/02/14)
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