{"title":"开口晒干鱿鱼（Illex argentinus）水花形成的特征：从化学成分角度看","authors":"Fu-Yuan Ma , Pratik Nayi , Tzou-Chi Huang , Ho-Hsien Chen","doi":"10.1016/j.foodchem.2025.143647","DOIUrl":null,"url":null,"abstract":"<div><div>A modified intermittent sun-drying process was conducted to investigate the mechanism and chemical composition of bloom formation on dried squid (<em>Illex argentinus</em>). The bloom layer on the squid surface consisted of free amino acids and fat. Fat and free amino acid components were extracted and analyzed using SEM-EDX, FT-IR, GC, and HPLC. Nitrogenous and fatty acid-containing crystals in the bloom were characterized. The nitrogenous fraction primarily contained taurine (866 ± 177 mg/g dry weight), glycine (82 ± 7 mg/g DW), alanine (381 ± 56 mg/g DW), and glutamic acid (178 ± 26 mg/g DW), whereas the fat fraction was rich in palmitic acid (29 %), eicosapentaenoic acid (16 %), and docosahexaenoic acid (41 %). Tempering treatments at night facilitated water redistribution and the migration of amino acids and fat to the surface. The dried squid was stored in a desiccator at 30 ± 3 °C with a saturated NaCl solution to maintain 75 % humidity. After 10 days, surface blooming occurred, enhancing the distinctive organoleptic properties of sun-dried squid.</div></div>","PeriodicalId":318,"journal":{"name":"Food Chemistry","volume":"478 ","pages":"Article 143647"},"PeriodicalIF":9.8000,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Characterization of bloom formation on open sun-dried squid (Illex argentinus): A chemical composition perspective\",\"authors\":\"Fu-Yuan Ma , Pratik Nayi , Tzou-Chi Huang , Ho-Hsien Chen\",\"doi\":\"10.1016/j.foodchem.2025.143647\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>A modified intermittent sun-drying process was conducted to investigate the mechanism and chemical composition of bloom formation on dried squid (<em>Illex argentinus</em>). The bloom layer on the squid surface consisted of free amino acids and fat. Fat and free amino acid components were extracted and analyzed using SEM-EDX, FT-IR, GC, and HPLC. Nitrogenous and fatty acid-containing crystals in the bloom were characterized. The nitrogenous fraction primarily contained taurine (866 ± 177 mg/g dry weight), glycine (82 ± 7 mg/g DW), alanine (381 ± 56 mg/g DW), and glutamic acid (178 ± 26 mg/g DW), whereas the fat fraction was rich in palmitic acid (29 %), eicosapentaenoic acid (16 %), and docosahexaenoic acid (41 %). Tempering treatments at night facilitated water redistribution and the migration of amino acids and fat to the surface. The dried squid was stored in a desiccator at 30 ± 3 °C with a saturated NaCl solution to maintain 75 % humidity. After 10 days, surface blooming occurred, enhancing the distinctive organoleptic properties of sun-dried squid.</div></div>\",\"PeriodicalId\":318,\"journal\":{\"name\":\"Food Chemistry\",\"volume\":\"478 \",\"pages\":\"Article 143647\"},\"PeriodicalIF\":9.8000,\"publicationDate\":\"2025-06-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Food Chemistry\",\"FirstCategoryId\":\"97\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0308814625008982\",\"RegionNum\":1,\"RegionCategory\":\"农林科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2025/3/1 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, APPLIED\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Food Chemistry","FirstCategoryId":"97","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0308814625008982","RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/3/1 0:00:00","PubModel":"Epub","JCR":"Q1","JCRName":"CHEMISTRY, APPLIED","Score":null,"Total":0}
Characterization of bloom formation on open sun-dried squid (Illex argentinus): A chemical composition perspective
A modified intermittent sun-drying process was conducted to investigate the mechanism and chemical composition of bloom formation on dried squid (Illex argentinus). The bloom layer on the squid surface consisted of free amino acids and fat. Fat and free amino acid components were extracted and analyzed using SEM-EDX, FT-IR, GC, and HPLC. Nitrogenous and fatty acid-containing crystals in the bloom were characterized. The nitrogenous fraction primarily contained taurine (866 ± 177 mg/g dry weight), glycine (82 ± 7 mg/g DW), alanine (381 ± 56 mg/g DW), and glutamic acid (178 ± 26 mg/g DW), whereas the fat fraction was rich in palmitic acid (29 %), eicosapentaenoic acid (16 %), and docosahexaenoic acid (41 %). Tempering treatments at night facilitated water redistribution and the migration of amino acids and fat to the surface. The dried squid was stored in a desiccator at 30 ± 3 °C with a saturated NaCl solution to maintain 75 % humidity. After 10 days, surface blooming occurred, enhancing the distinctive organoleptic properties of sun-dried squid.
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Food Chemistry publishes original research papers dealing with the advancement of the chemistry and biochemistry of foods or the analytical methods/ approach used. All papers should focus on the novelty of the research carried out.
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