S-Adenosyl L-methionine |29908-03-0
Apejuwe ọja:
S-adenosylmethionine jẹ awari akọkọ nipasẹ awọn onimọ-jinlẹ (Cantoni) ni ọdun 1952.
O jẹ iṣelọpọ nipasẹ adenosine triphosphate (ATP) ati methionine ninu awọn sẹẹli nipasẹ methionine adenosyl transferase (Methionine Adenosyl Transferase), ati nigbati o ba ṣe alabapin ninu iṣesi gbigbe methyl bi coenzyme, o padanu ẹgbẹ methyl kan ati pe o decomposes sinu ẹgbẹ S-adenosyl Histidine. .
Awọn itọkasi imọ-ẹrọ ti L-Cysteine 99%:
| Ohun Onínọmbà | Sipesifikesonu |
| Ifarahan | Funfun to pa-funfun Powder |
| Akoonu Omi (KF) | 3.0% Max |
| Sulfated Ash | 0.5% Max. |
| PH (5% OJUTU AQUEOUS) | 1.0 -2.0 |
| S, S-Isomer (HPLC) | 75.0% MI |
| SAM-e ION (HPLC) | 49.5 - 54.7% |
| P-Toluenesulfonic Acid | 21.0% -24.0% |
| Akoonu ti Sulfate (SO4) (HPLC) | 23.5%-26.5% |
| Disulfate Tosylate | 95.0% -103% |
Awọn nkan ti o jọmọ (HPLC):
| S-adenosyl-l-homocysteine | 1.0% Max. |
| - Adenine | 1.0% Max. |
| - Methylthioadenosine | 1.5% ti o pọju |
| - Adenosine | 1.0% Max. |
| - Total impurities | 3.5% ti o pọju. |
| Awọn irin ti o wuwo | Ko siwaju sii ju 10 ppm |
| Asiwaju | Ko siwaju sii ju 3 ppm |
| Cadmium | Ko ju 1 ppm lọ |
| Makiuri | Ko ju 0.1 ppm lọ |
| Arsenic | Ko ju 2 ppm lọ |
Microbiology
| Apapọ Aerobic kika | ≤1000cfu/g |
| Iwukara ati m ka | ≤100cfu/g |
| E. koli | Ti ko si/10g |
| S. aureus | Ti ko si/10g |
| Salmonella | Ti ko si/10g |
