S-Adenosyl L-methionine |29908-03-0
Nkọwa ngwaahịa:
Ndị ọkà mmụta sayensị (Cantoni) chọtara S-adenosylmethionine na 1952.
A na-emepụta ya site na adenosine triphosphate (ATP) na methionine n'ime sel site na methionine adenosyl transferase (Methionine Adenosyl Transferase), na mgbe ọ na-ekere òkè na mmeghachi omume mbufe methyl dị ka coenzyme, ọ na-efunahụ otu methyl wee decomposes n'ime S-adenosyl otu Histidine. .
Ngosipụta nka nka nke L-Cysteine 99%:
| Ihe nyocha | Nkọwapụta |
| Ọdịdị | Ntụ ntụ na-acha ọcha ruo na-acha ọcha |
| Ọdịnaya Mmiri (KF) | 3.0% kacha |
| Sulfated Ash | 0.5% kacha. |
| PH (5% ngwọta AQUEOUS) | 1.0-2.0 |
| S, S-Isomer (HPLC) | 75.0% MIN |
| SAM-e ION (HPLC) | 49.5 - 54.7% |
| P-toluenesulfonic acid | 21.0% -24.0% |
| Ọdịnaya nke sulfate (SO4) (HPLC) | 23.5% -26.5% |
| Na-ekpochapụ Tosylate | 95.0%-103% |
Ihe ndị emetụtara (HPLC):
| S-adenosyl-l-homocysteine | 1.0% kacha. |
| - Adenin | 1.0% kacha. |
| - Methylthioadenosine | 1.5% kacha |
| -Adenosine | 1.0% kacha. |
| - ngụkọta adịghị ọcha | 3.5% kacha. |
| Ọla dị arọ | Ọ bụghị ihe karịrị 10 ppm |
| Ndu | Ọ bụghị ihe karịrị 3 ppm |
| Cadmium | Ọ bụghị ihe karịrị 1 ppm |
| Mercury | Ọ bụghị ihe karịrị 0.1 ppm |
| Arsenic | Ọ bụghị ihe karịrị 2 ppm |
Microbiology
| Ngụkọta ọnụ ọgụgụ ikuku | ≤1000cfu/g |
| Yist na ebu ọnụ | ≤100cfu/g |
| E. coli | Adịghị/10g |
| S. aureus | Adịghị/10g |
| Salmonella | Adịghị/10g |
