ArticleFood chemistry: X2025
The nonvolatile and volatile substances changes based on non-target metabonomics reveals the formation mechanism of Tsamba flavor before and after roasting of highland barley.
Article in Food chemistry: X, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Microbial-associated lipid oxidation drives flavor deterioration of Zanba during storage: Insights from integrated multi-omics analysis.Food chemistry. Molecular sciences · 2026Article
- Protein-Carbohydrate Interactions in Food Matrices and Their Effects on Food Quality.Foods (Basel, Switzerland) · 2026Review
- Qingke flavor characteristics and formation mechanisms: volatile metabolites and their changes from raw material to diverse product.Frontiers in nutrition · 2026Review
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4 authors.
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Abstract
As the traditional staple food for Tibetan people in northwest China, Tsamba is the main processing product of highland barley and roasting is the key processing step to determine the flavor of Tsamba. In this study, non-targeted metabonomics were employed to analyze the changes of non-volatile and volatile metabolites, as well as active substances, before and after roasting. The active substances in tsamba were significantly increased after roasting. The primary metabolome identified 625 non-volatile components, with lipids having the highest content and amino acids and their derivatives showing the greatest changes before and after roasting. A total of 243 volatile flavor compounds were detected, with heterocyclic compounds, terpenoids, and esters being the main substances that increased after roasting, providing the sweet, green and fruity flavor for Tsamba. Afterwards, 113 main volatile flavor substances were screened from volatile metabolomics data, and 5-ethyl-3-hydroxy-4-methyl-2 (5H) -furanone, 2-ethyl-3, 5-dimethylpyrazine, 2, 3-diethyl-5-methylpyrazin were the key volatile flavor substances. This study will help to reveal the unique flavor source of highland barley Tsamba and promote the standardisation of Tsamba food, which will help to improve the quality of Tsamba production.
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