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Testing Spices Packaging Barrier Properties

When it comes to packaging spices, the primary goal is to protect them from moisture, air, and light, all of which can degrade their quality. Several packaging options are commonly used to achieve this.

Plastic containers made from PET (polyethylene terephthalate) are commonly used for spice due to their lightweight durability and effective moisture barrier properties. Flexible pouches, especially stand-up pouches with resealable zippers, are increasingly favored for their space efficiency and ability to incorporate barrier layers that shield against both moisture and air. Additionally, traditional choices like glass jars and metal tins remain prevalent, valued for their ability to create an airtight seal and preserve the spices' freshness.



To effectively preserve the quality of spices, their packaging must possess several crucial properties. First of all, the packaging must have a robust moisture barrier. Spices are inherently vulnerable to moisture absorption, which can lead to undesirable effects like caking, clumping, and the proliferation of mold or bacteria. Consequently, the packaging must effectively prevent any moisture from penetrating and compromising the product.

Furthermore, an effective oxygen barrier is essential. Exposure to oxygen triggers oxidation, a process that diminishes the flavor and aroma of spices. Therefore, packaging that minimizes oxygen permeability is crucial for preserving their freshness and potency.

Beyond these protective functions, the packaging must also possess durability and strength to withstand the stresses of transportation and handling. The packaging materials must be food-grade, free from any harmful chemicals to ensure food safety.

Ensuring the quality of spice packaging involves a range of tests.
  • Barrier Properties: Moisture Vapor Transmission Rate (MVTR) test measures how much moisture passes through the packaging material over a specific time. Oxygen Transmission Rate (OTR) test determines how much oxygen permeates the packaging, crucial for preventing oxidation.
  • Tensile Strength and Durability: These tests assess the packaging's resistance to tearing, puncturing, and other physical stresses, ensuring it can withstand handling and transportation.
  • Seal Integrity: Leak tests are performed to verify that seals are airtight, preventing moisture and oxygen ingress.
  • Food Safety Compliance: Migration testing: This is done to ensure no harmful chemicals from the packaging materials migrate into the spices.

Labthink C406H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured according to ASTM D3985、ASTM F1249,ISO 15106-2 and other relevant standards to provide high precision and high efficiency oxygen and water vapor transmission rate tests for high and medium gas barrier materials. It is suitable for testing the oxygen and water vapor transmission performance of films, sheets and related materials in the fields of food, medicine, medical devices, daily chemicals, photovoltaic, electronic and many others.

By implementing these rigorous testing procedures, spice manufacturers can ensure that their packaging effectively protects the delicate qualities of their products, delivering fresh and flavorful spices to consumers.

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