Page 40 - FoodFocusThailand No.195 June 2022

SPECIAL FOCUS

The Application of Electronic Nose in Food and Fish, shrimp, meat freshness measurement: The electronic
Beverage Industry nose can classify the freshness level of meat such as beef, shrimp,
Seasoning products: In Japan, electronic noses are used to salmon, and tuna, which benefits frozen food manufacturers in
control the quality of soy sauce products, which work very well. For assessing the freshness level of their exported products.
Thailand as the world’s largest producer of seasoning sauces, Dairy products: Several agro-industrial countries in Europe
especially the fish sauce, it is possible to apply electronic nose applied the electronic nose in the quality control of dairy products
technology to a wide range of products. However, the Thai fish sauce such as fresh milk, butter, and yogurt.
production still used taste specialists to control fermentation quality. Herbs and Natural Products: Hemp and cannabis are popular
It was found that there were still some problems with inaccuracy. raw materials. The electronic nose is used to identify plants that
Tea and coffee: Numerous studies revealed that electronic noses provide a specific flavor that can be fortified in the food and
tend to be more effective for the analysis of beverage products than pharmaceutical industry. The electronic nose can also be used to
other analytical instruments due to their capability mimicking the determine the quality and the price of such raw materials before
human nose. The results from the electronic nose are related to the extracting the active ingredients contained in the plant.
human nose, which can identify the aroma and palatability of tea or Plant extracts: The electronic nose can be used to assess the
coffee. Currently, we have further studied together with the application quality of vegetable oil and biodiesel oil because these products
of environmental sensors to control the production of raw materials contain a relatively high ratio of a volatile compound.
in the plantation area. Perfume: The research team used the electronic nose to design
Food preservation: Food manufacturers are trying to innovate a fragrance from Thai orchids and help research and development
and develop methods for maintaining food quality without changing of a deodorant product for a German company , the owner of well-
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the taste. The electronic nose can do rapid analysis of the food taste, known deodorant brand in Thailand.
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which allows development to be done efficiently. For example, we The electronic nose technology can be integrated with other
can use the electronic nose to investigate the aroma changing during technologies, such as attaching it to a cooking robot or combined with
storage time to determine the shelf-life evaluation of cod roe. Almonds the Internet of Things technology to monitor air quality and pollution
in different crop areas have different tastes, which can be classified in livestock farms and industrial plants or smart cities.
using the electronic nose. We also used the electronic nose to taste
the vegetable tablets frozen and kept for 3 years and found that the
smell quality of these tablets was still similar to the fresh produced
ones.
Quality control of wine and other beverages: The electronic
nose can track the aroma of the wine fermentation process. Especially More Information Service Info C003
in Japan, the electronic nose is used to control the quality of sake.

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