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| Product Name | Alpha-Amylase |
| Source | Human Saliva |
| Catalogue Number | 120-10 |
| Purity | > 90% (SDS-PAGE) |
| Purity Note | Typically > 98% (SDS-PAGE, two bands at approx. 60kDa) |
| Form | Lyophilized |
| Activity | > 100 U/mg (Siemens Dimension® Clinical Chemistry System) |
| Protein | > 0.2 mg protein/mg (Coomassie) |
| Specific Activity | > 400 U/mg protein |
| Contaminants | Lipase: 0.1% Protease: 0.1% Ammonia: 0.1 micromole/mg |
| pH | 6.0 - 7.5 (10 mg/mL H2O) |
| Unit Definition | One unit will catalyze the hydrolysis of one micromole 2-chloro-4-nitrophenyl-a-D-maltotrioside to yield 2-chloro-4-nitrophenol per minute at 37°C. |
| Form | Lyophilized powder from 75mM sodium chloride, 10mM Tris, 1mM calcium chloride, pH 7.2. |
| Appearance | Off-white powder |
| Storage | -20°C |
| Recertification | 3 years |
| Solubility | Clear, colorless in 1 mg/mL saline. |
| Synonyms | 1,4-alpha-D-Glucan-glucanohydrolase, ptyalin |
| Molecular Weight | ~60,000 |
| CAS Number | 9000-90-2 |
| E.C. Number | 3.2.1.1 |
| Gene | AMY1A |
| Gene ID | 276 |
| Accession No | P04745 |
Lee Biosolutions produces and manufactures high purity human salivary Amylase for research and diagnostic manufacturing uses.
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Amylase is an enzyme that breaks starch down into sugar. Amylase is present in human saliva, where it begins the chemical process of digestion. Foods that contain much starch but little sugar, such as rice and potato, taste slightly sweet as they are chewed because amylase turns some of their starch into sugar in the mouth.
Alpha-Amylase is an enzyme that hydrolyses alpha-bonds of large alpha-linked polysaccharides such as starch and glycogen, yielding glucose and maltose. It is being used by researchers as a barometer of the body's response to physical or psychological stress. NIH study shows that Women with high levels of alpha amylase, indicating stress, are less likely to conceive.
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