Research Keyword: electronic nose

Characterization of the changes of aroma profiles in large-leaf yellow tea during processing using GC–MS and electronic nose analysis

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This study examined how large-leaf yellow tea develops its distinctive fried rice-like aroma during processing. Researchers identified 178 different volatile compounds throughout eight processing stages using advanced analytical techniques. The full fire roasting step was found to be most important for creating the final roasted and nutty flavors, generating 30 new nitrogen-containing compounds. An electronic nose device successfully tracked these aroma changes in real-time, suggesting it could be used for quality control in tea production.

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Quality Characteristics of Low-Fat Sausage Using Cultured Mushroom Mycelium

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Researchers tested using mushroom mycelium (the root structure of mushrooms) as a replacement for meat in sausages. They found that using up to 50% mushroom mycelium produced sausages with good quality, improved moisture retention, and enhanced umami flavor while reducing fat content. The sausages made with mushroom mycelium were also more tender and juicy, though higher replacement levels affected consumer preference. This research suggests mushroom mycelium is a promising sustainable alternative protein source for meat products.

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The effect of combining the enzymolysis of snail digestive enzyme and β-glucanase on the release of flavor in Lentinus edodes powder

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Scientists treated shiitake mushroom powder with special enzymes to improve its flavor and aroma. They found that combining two enzymes—one from snails and another that breaks down plant fibers—removed unpleasant tastes like bitter almond and grassy notes while enhancing pleasant fruity and savory flavors. The treated mushroom powder maintained its characteristic mushroom taste while tasting better overall, making it a more desirable ingredient for cooking.

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Evaluating the Impact of Cultivar and Processing on Pulse Off-Flavor Through Descriptive Analysis, GC–MS, and E-Nose

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Many people don’t eat pulses (beans and chickpeas) despite their health benefits because they have unpleasant flavors often described as beany or earthy. This research tested different bean varieties and cooking methods to reduce these bad flavors. They found that light-colored beans like navy beans naturally have milder flavors, and roasting beans before turning them into flour reduces earthy tastes. A quick electronic nose test works better than traditional chemical analysis for predicting which beans will taste better to consumers.

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Comparative Characterization of Key Volatile Compounds in Slow- and Fast-Growing Duck Raw Meat Based on Widely Targeted Metabolomics

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This study compared the aroma and flavor compounds in raw duck meat from two different breeding types: slower-growing heritage breeds and faster-growing commercial breeds. Using advanced chemical analysis tools, researchers found that slow-growing ducks produce meat with a fatty and fruity smell due to higher levels of certain oils, while fast-growing ducks have a mushroom-like aroma. The study also revealed that differences in the meat’s chemical composition, particularly in fat metabolism and amino acids, explain these flavor differences and can help duck farmers breed better-tasting birds.

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