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Ensuring Edible Oil Quality through Packaging Testing- Evaporation Residue Test,Oxygen Transmission Rate (OTR) Test and Seal Performance Test

Packaging testing plays a critical role in maintaining edible oil quality and safety. Various tests and instruments can be used to evaluate the suitability of packaging materials for preventing oil degradation and contamination.

Recent food safety concerns surrounding edible oils highlight the need for robust packaging solutions. This report focuses on the significance of testing methods and instruments employed to assess the effectiveness of packaging materials in safeguarding edible oil integrity.

Three crucial tests are employed to evaluate packaging performance:

Evaporation Residue Test: This test identifies the potential migration of harmful chemicals from the packaging material into the oil during storage. It plays a vital role in ensuring consumer safety by detecting the presence of substances that may leach from the packaging and contaminate the oil.


Labthink ERT-01 Evaporation Residue Constant Weight Tester is an automated instrument known for its high accuracy (0.3mg) and controlled temperature testing environment (100-130°C). This minimizes potential inaccuracies associated with manual operation and cooling processes.

Oxygen Transmission Rate (OTR) Test: This test measures the packaging's ability to impede oxygen ingress. Oxygen is a primary factor in oil oxidation, which leads to quality deterioration and potential health risks. By measuring the OTR, manufacturers can ensure the packaging provides an adequate barrier against oxygen permeation.


ASTM F1307-2014 (US) serves as a reference standard for conducting the OTR test. Labthink C230 Oxygen Transmission Rate Test System is employed for this test. This test measures the rate at which oxygen permeates through the packaging material under controlled conditions. Different gas concentrations are maintained on either side of the packaging sample, and the instrument detects the oxygen flow rate passing through the material. This provides valuable data on the packaging's ability to restrict oxygen exposure to the oil.

Seal Performance Test: Leakage in packaging can compromise oil safety by allowing oxygen or contaminants to enter the container. This test detects even microscopic leaks, ensuring the package forms a complete and secure barrier.


Labthink C660B Leak Tester is a specialized instrument used for this test. The packaging sample is placed inside a vacuum chamber where a negative pressure is applied. The instrument then detects any leaks by identifying air bubbles escaping from the pressurized package. This method helps identify even minute breaches in the seal, ensuring the packaging maintains a complete and secure barrier.

By implementing these tests and instruments, manufacturers can select suitable packaging materials that safeguard edible oil quality and safety. These tests provide valuable insights into the effectiveness of packaging in preventing oil degradation and contamination, ultimately contributing to consumer health and well-being.

As the demand for functional packaging materials grows, testing methods are evolving to ensure a more comprehensive evaluation of packaging films. Labthink encourages collaboration with packaging industry companies for quality control! Visit the website www.labthink.com to learn more!

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