R-Biopharm

Egg protein allergy ELISA test kit | RIDASCREEN® FAST Egg Protein R6402

Egg protein allergy ELISA test kit | RIDASCREEN® FAST Egg Protein R6402
Manufacturer: R-Biopharm
Origin: Germany
Product code: R6402
Packaging: 48 wells/box

Product detail

1. Intended use

RIDASCREEN®FAST Egg Protein (code R6402) is an ELISA test kit for testing egg protein allergy; it is a sandwich enzyme immunoassay for the quantitative analysis of whole egg (-powder) in foods such as salad dressings, sausages, wine, baking mixes for cakes or bread and ice cream.

2. General information

Egg white is recognised as more allergenic than egg yolk. Egg allergy is very common in children; most children outgrow egg allergy as they get older. The allergen can be present as an ingredient or as contamination in raw and cooked products. Under Regulation (EU) No 1169/2011, eggs and egg products must be declared on food labels. Similar regulations also exist in the USA, Canada, Australia and New Zealand. Egg white contains 9 – 11% protein. Four main allergenic proteins account for 80% of the protein in egg white. These main allergens are ovomucoid (11%), ovalbumin (54%), ovotransferrin (12%) and lysozyme (3,5%). The allergenicity of the proteins in egg yolk is only moderate.

3. Benefits of using the egg protein allergy ELISA test kit

- Combines the detection of ovomucoid and ovalbumin in one kit (most suppliers offer two different kits).

- Specificity: no cross-reaction was observed in many sample matrices (97) and in particular no cross-reaction with raw or cooked meat from chicken, turkey, pork and beef.

- A collaborative study (18 different laboratories) on egg white in wine gave recoveries of 88 – 100,5 % (red wine) and 70,4 – 86 % (white wine).

4. Specifications of the ELISA test kit for egg protein allergy | RIDASCREEN® FAST Egg R6402

Mã hàng

R6402

Quy cách

Tấm microtiter với 48 giếng (6 dải với 8 giếng có thể tháo rời mỗi dải)

Chuẩn bị mẫu

- Đồng nhất hóa, chiết xuất và ly tâm
- Thời gian ủ: 30 phút ở nhiệt độ phòng

Đọc kết quả

Máy quang phổ tấm microtiter ( bước sóng 450 nm)

Giới hạn phát hiện

* Giới hạn phát hiện
- 0,096 mg/kg (ppm) bột trứng nguyên chất (trung bình) tương đương với 0,03 mg/kg (ppm) protein lòng trắng trứng.
- 0,052 – 0,157 mg/kg (ppm) bột trứng nguyên chất*
*tùy thuộc vào nền
* Giới hạn định lượng- 0,5 mg/kg (ppm) bột trứng nguyên chất
tương đương với 0,13 mg/kg (ppm) protein lòng trắng trứng

Các nền mẫu được xác thực

- Nước sốt trộn salad, xúc xích, rượu vang, hỗn hợp nướng bánh ngọt hoặc bánh mì và kem.
- Chất phân tích được phát hiện: Protein lòng trắng trứng ovalbumin và ovomucoid từ trứng gà.

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