Considering the advantages, the food and feed industry will increasingly shift to combustion-based Dumas method!
The protein content is one of the important parameters in food and feed analysis, and it has become essential for the characterization of the nutritional value of materials. Other important components include fat, dietary fiber, carbohydrates, as well as moisture and ash, and in addition to nutritional labeling requirements, protein content can also play an important role in food processing. More common protein measurement methods include the classical wet chemical technique known as the Kjeldahl method and the combustion method known as the Dumas method. [Nitrogen content by Dumas method (partial)] ■ Skim milk: 4.98% ■ Raw milk: 3.58% ■ Blood meal: 14.44% ■ Wheat flour: 2.66% ■ Infant formula: 1.98% *For more details, please refer to the related links or feel free to contact us.
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**Advantages of the Dumas Method for Combustion Analysis** - Speed: Analysis is completed in 3 minutes - Throughput: Up to 150 samples can be analyzed between 9 AM and 5 PM - Cost per analysis: Significantly lower compared to the wet Kjeldahl method - Environmental and safety issues: No need for the use of concentrated acids or bases, waste disposal, or draft usage required by the wet Kjeldahl method - Efficiency and automation: Results are calculated by the device software and provided in a format that can be sent to the Laboratory Information Management System (LIMS) - Standard compliance: The combustion Dumas method is an established standard method *For more details, please refer to the related links or feel free to contact us.*
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LECO Corporation in the United States has been meeting the expectations of the development of materials and quality control analysis in various industrial products since 1936. In particular, in the field of carbon, sulfur, oxygen, nitrogen, and hydrogen analysis in metallic materials, it holds an overwhelming market share and can provide analytical values that ensure sufficient reliability for global transactions. Additionally, the application of these analytical techniques has been recognized in various fields, such as elemental analysis of organic substances and nutritional component analysis in food, as convenient, safe, and more accurate methods. Furthermore, in the field of mass spectrometry, as a pioneer of time-of-flight mass spectrometry (TOF-MS), it has contributed to the accumulation of data that serves as a foothold for cutting-edge research in Europe and the United States. Moving forward, we will continue to strive to contribute to the development of new technologies, productivity, and quality improvement in various fields based on accurate analytical results.
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