| Product Name |
Tyrosinase from mushroom,
lyophilized powder, ≥1000 unit/mg solid |
| Product Number |
T3824 |
| Product Brand |
SIGMA |
| CAS Number |
9002-10-2 |
| Storage Temp |
−20°C |
|
| TEST |
SPECIFICATION |
| APPEARANCE |
REPORT RESULT |
| TYROSINASE ACTIVITY |
NLT 1,000 UNITS/MG SOLID |
| UNIT DEFINITION |
ONE UNIT WILL CAUSE AN INCREASE IN A280 OF 0.001 PER MINUTE AT PH6.5 AT 25DEGC IN A 3ML REACTION MIX CONTAINING L-TYROSINE. |
| POLYPHENOL OXIDASE ACTIVITY |
> OR = 50,000 UN/MG SOLID |
| UNIT DEFINITION ENZYMATIC ACTIVITY |
ONE UNIT WILL CAUSE A DECREASE IN A265 OF 0.001 PER MINUTE AT PH6.5 AT 25DEGC. IN A 3ML REACTION MIXTURE CONTAINING L-BETA-3,4-DIHYDROXYPHENYL- ALANINE (L-DOPA) |
| CATECHOL OXIDASE ACTIVITY |
> OR = 200,000 UN/MG SOLID |
| UNIT DEFINITION |
ONE UNIT WILL CAUSE A DECREASE IN A265 OF 0.001 PER MINUTE AT PH6.5 AT 25DEGC IN A 3ML REACTION MIXTURE CONTAINING CATECHOL AND ASCORBIC ACID. |
| RECOMMENDED RETEST |
3 YEARS |
| DOCUMENT # |
T3824/08/13/09/3 |
