Aliquots of this product should be stored frozen at -20 °C.
T9253
Trypsin inhibitor
powder
Synonym(s):
Ovomucoid
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| Size/SKU | Availability | Price |
|---|---|---|
250 mg | Available to ship onOctober 14, 2026fromMILWAUKEE | $76.40 |
500 mg | Available to ship onOctober 14, 2026fromMILWAUKEE | $162.00 |
1 g | Available to ship onOctober 14, 2026fromMILWAUKEE | $247.00 |
5 g | Available to ship onOctober 14, 2026fromMILWAUKEE | $833.00 |
About This Item
$76.40
Available to ship onOctober 14, 2026Details
Product Name
Trypsin inhibitor from chicken egg white, Type II-O, Partially purified ovomucoid, containing ovoinhibitor
biological source
chicken egg white
Quality Segment
type
Type II-O
form
powder
mol wt
28 kDa
input
general use sample(s)
solubility
water: soluble 10 g/L
storage temp.
2-8°C
General description
Ovomucoid or trypsin inhibitor is an abundant protein in most avian egg whites. The hen′s egg protein is composed of about 186 amino acid residues, and is highly glycosylated. Three tandem domains are each homologous with pancreatic trypsin inhibitor. It is highly immunogenic, and probably accounts for most cases of egg allergy.
25% of ovomucoid comprises carbohydrate.
Application
Trypsin inhibitor from chicken egg white has been used:
- to produce denatured, oxidized and deglycosylated ovomucoid and used to stimulate patient derived cell cultures for mapping T cell epitopes
- to treat nuclei for flow cytometric analysis
- in Holtfreter′s solution, used for the dissociation of planarians into cells
Analysis Note
One mg will inhibit 0.8-1.6 mg of tryspin with activity of approx. 10,000 BAEE units per mg protein. May inhibit ≤0.3 mg of chymotrypsin with activity of approx. 40 BTEE units per mg protein.
Other Notes
One trypsin unit will produce a ΔA253 of 0.001 per min with BAEE as substrate at pH 7.6 at 25 °C; reaction volume 3.2 mL, 1 cm light path.
Ovomucoid, from chicken egg white, does not itself inhibit chymotrypsin. Chymotrypsin inhibition is a measure of ovoinhibitor contamination by method of Feeney, R. E., et al., J. Biol. Chem., 238, 1415 (1963).
View more information on Trypsin Inhibitor.
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This Item | |||
|---|---|---|---|
| description Type II-O, Partially purified ovomucoid, containing ovoinhibitor | description Type III-O (free of ovoinhibitor) | description from soybean | description BioUltra, lyophilized powder, ≥95% (Kunitz inhibitor, SDS-PAGE) |
| biological source chicken egg white | biological source chicken egg white | biological source soybean | biological source Glycine max (soybean) |
| Quality Level 200 | Quality Level 300 | Quality Level - | Quality Level 200 |
| form powder | form powder | form lyophilized | form lyophilized powder |
| solubility water: soluble 10 g/L | solubility water: soluble 10 g/L | solubility water: soluble | solubility - |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
| mol wt 28 kDa | mol wt 27 kDa | mol wt Mr 20,100 | mol wt - |
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Signal Word
Danger
Hazard Codes
Precautionary Statements
Hazard Classifications
Resp. Sens. 1 - Skin Sens. 1
Storage Class
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
Eyeshields, Gloves, type N95 (US)
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