Crystal of reduced glutathione and method for producing same
US10858393B2 · kind B2 · utility
1Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2017 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | Apr 21, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07K5/0606
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
According to the present invention, a crystal of reduced glutathione having a reduced content of impurities, particularly L-cysteinyl-L-glycine and a method for producing the same are provided. The present invention relates to a crystal of reduced glutathione, wherein, in a high-performance liquid chromatography (HPLC) analysis, the peak area of L-cysteinyl-L-glycine is 0.02 or less with respect to the peak area of reduced glutathione which is taken as 100.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.