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Jack Bean Meal Powder is a ground biological material derived from jack bean (Canavalia ensiformis) and is used in laboratory work as a source of urease activity. Urease catalyses the hydrolysis of urea to ammonia and carbon dioxide, making jack bean meal useful for enzyme demonstrations and biochemical investigations. The meal is a complex biological mixture containing proteins and other seed constituents, so it does not have a single molecular formula or molecular weight. Enzyme activity and composition can vary with source, processing, storage, and product grade. Because plant-derived proteins may cause sensitisation or respiratory reactions, avoid dust exposure and follow the supplier’s safety information.
Product Specifications
| Specification | Details |
|---|---|
| Appearance | Light brown powder |
| Assay | 99% |
| Chemical Name | Jack bean meal (urease-active meal; natural biological material) |
| Alternate Names | Jack bean meal; Canavalia ensiformis meal; urease-active meal |
| Molecular Formula | Not applicable; natural biological mixture |
| Empirical Formula | Not applicable; variable biological composition |
| CAS Number | 9002-13-5 (commonly listed for urease-active jack bean meal) |
| Molecular Weight | Not applicable; mixture |
| Grade | LR Laboratory Reagent |
Key Features of Jack Bean Meal Powder
- Ground biological material derived from jack bean, Canavalia ensiformis.
- Used as a source of urease activity in suitable biochemical experiments.
- Urease catalyses the hydrolysis of urea to ammonia and carbon dioxide.
- Complex biological mixture without one molecular formula or molecular weight.
- Powder may cause sensitisation or respiratory reactions; avoid dust exposure.
Laboratory Applications of Jack Bean Meal Powder
- Biochemistry practicals demonstrating urease-catalysed hydrolysis of urea.
- Preparation of crude urease extracts using a documented laboratory method.
- Enzyme activity experiments comparing reaction conditions such as pH and temperature.
- Teaching investigations of enzyme catalysis and ammonia formation from urea.
- Research sample preparation where jack bean meal is specified as a crude urease source.
Why Choose Lab Wale to Buy Jack Bean Meal Powder
Lab Wale provides a convenient sourcing option for laboratory chemicals and scientific supplies used by schools, colleges, universities, research centres, and laboratory professionals. Before purchasing Jack Bean Meal Powder, check the chemical identity, intended application, stated grade, and available technical or safety information to ensure the material suits the procedure. Selecting the correct form and following the relevant laboratory method are important for appropriate use.
Frequently Asked Questions About Jack Bean Meal Powder
What is jack bean meal powder used for in laboratories?
Jack bean meal is used as a source of crude urease for biochemical experiments. Urease catalyses the hydrolysis of urea to ammonia and carbon dioxide, allowing enzyme activity and reaction conditions to be investigated.
Does jack bean meal have a molecular formula?
No single molecular formula or molecular weight describes jack bean meal because it is a complex biological material containing proteins and other constituents. The CAS number commonly listed for urease-active jack bean meal is 9002-13-5.
What is the role of urease in jack bean meal?
Urease is an enzyme that catalyses the breakdown of urea into ammonia and carbon dioxide in the presence of water. The activity of the meal depends on its source, processing, storage, and the experimental conditions.
How should jack bean meal be used in enzyme experiments?
Use a documented extraction or assay method and control factors such as temperature, pH, substrate concentration, and mixing. Follow the specific product instructions and do not assume that enzyme activity is identical across different lots or grades.
What precautions are needed when handling jack bean meal?
Avoid inhaling dust and prevent eye or skin contact. Wear suitable gloves and eye protection and use appropriate ventilation; plant-derived proteins may cause sensitisation or respiratory reactions. Follow the SDS and laboratory waste procedures.
Storage Conditions for Jack Bean Meal Powder
Store in a tightly closed container in a cool, dry place and protect it from moisture and contamination. Product activity may be affected by storage conditions; follow the supplier’s current technical information for any specific temperature requirements.
Precautions for Handling Jack Bean Meal Powder
Avoid inhaling dust and prevent eye or skin contact because plant-derived proteins may cause sensitisation or respiratory reactions. Use suitable gloves, eye protection, and appropriate ventilation. Clean spills without dispersing dust and follow institutional procedures for biological-material residues and waste.


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