During the processing of edible bird's nests, alum may potentially be used as an additive to enhance the whiteness or shape of the nests, while nitrites may originate from storage conditions or emerge during processing.

According to China's current food safety standards:

1. Alum is prohibited as an additive in bird's nest products.

2. Nitrite content is strictly limited to 30 mg/kg.

Therefore, all bird's nest products imported into China must comply with these regulations.


Portable Aluminum Test Kit
Brand: FSTest
CatNO: IA32.1252.6
Specifications: 10 test/kit
Shelf life: 12 months
Application: The FSTest Portable Aluminum Test Kit provides a portable,fast, reliable, and semi-quantitative method to detect alum residues in food, supporting quality control, customs inspections, and safety compliance in edible bird’s nests.
Product features:
✅ Detection Limit: Sensitive to as low as 25 mg/kg alum
✅ Professional and Precise: Custom-tailored for bird's nest detection.
✅ Compliant and Reliable:Strictly adheres to import and export standard requirements.
✅ Clear Visual Results: Use with colorimetric chart for intuitive result reading
✅ Rapid Test: Results in 15–25 minutes depending on sample type
✅ Lightweight and Portable: Easily carried to various scenarios, including inspection by importers, random checks by distributors, and testing by exporters.
✅ : Easy to Operate:Reducing the barriers to testing, improving efficiency, and saving both time and costs.
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Alum Rapid Test Kit
Brand: FSTEST
CatNO: IA32.1252.5
Specifications: 50tests/kit
Shelf life: 12 months
Application: The FSTest Alum Detection Kit provides a fast, reliable, and semi-quantitative method to detect alum residues in food, supporting quality control, customs inspections, and safety compliance in processed foods, noodles, snacks, and bird’s nests.
Product features:
✅ Detection Limit: Sensitive to as low as 25 mg/kg alum
✅ Wide Application: Suitable for detecting alum in noodles, fried foods, vermicelli, steamed buns, bird's nest, jellyfish, and more
✅ Clear Visual Results: Use with colorimetric chart for intuitive result reading
✅ Rapid Test: Results in 15–25 minutes depending on sample type
✅ Safe & Reliable: Supports food compliance with Chinese GB2760-2014 and import/export inspections
✅ High-Throughput: 50 tests per kit — ideal for lab and factory batch testing
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Nitrite Rapid Test Kit
Brand: FSTEST
CatNO: IA32.1220.5
Specifications: 100tests/kit
Shelf life: 12
Application: Intended to test nitrite in foods such as sausages, cured meats, ham, edible bird’s nest, pickled vegetables, and other vegetables semi-quantitatively.
Product features:
✅ High Sensitivity: LOD: 1 mg/kg (solid), 0.1 mg/L (liquid)
✅ Fast Results: Get colorimetric results in 5 minutes
✅ No Complicated Instruments Needed: Perform tests on-site using simple visual comparison
✅ Clear Visual Readout: Use the colorimetric chart to assess nitrite concentration
✅ Safe & Portable: Ideal for field inspections, customs, and food processing QC
Learn More >
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Dayuan & Oasis FoodTech Ltd.
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