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| Product Name | Acidic Proteinase (ACP) Activity Assay Reagent (Visible Spectrophotometer) |
| Catalog No. | ETR-HMM-0001 |
| Description | Acidic proteases (ACP) are a class of proteases that act on protein peptide bonds in acidic environments, hydrolyzing proteins into amino acids, peptides, and free amino acids. Acidic proteases can effectively hydrolyze proteins under low pH conditions and have widespread applications in fields such as alcohol fermentation, food processing, brewing, feed additives, and leather processing. |
| Application | Acidic proteases can catalyze the hydrolysis of casein to produce tyrosine under acidic conditions. Tyrosine can reduce phosphomolybdate compounds to form tungsten blue under alkaline conditions. The product has a characteristic absorption peak at 680 nm, and the activity of the acidic protease can be characterized by changes in the absorbance value. |
| Applicable Instruments | Visible Spectrophotometer |
| Number of Testable Samples | 25 Samples |
| Matching | 1 mL glass cuvette (d=10 mm) |
| Detection Time | 4 h (25 Samples) |
| Detection Method | Folin method |
| Spectral Parameters | 680 nm |
| Signal Response | Incremental |
| Standard | Tyrosine |
| Reference Standards | y=1.6904x+0.0083 (R2=0.9999) |
| Standard Linear Range | 0.03125-0.75 μmol/mL |
| Notes | If the ∆A measurement difference is small, the reaction time in the first step can be appropriately extended (15-25 min), and the calculation should be modified accordingly. |
For research use only, not for clinical use.
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