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Journal of Food Quality and Hazards Control، جلد ۱۲، شماره ۳، صفحات ۲۱۸-۲۲۹
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Identification of Volatile Compounds and Yeast Species Derived from Salak Pondoh for Bread Aroma Enhancement
چکیده انگلیسی مقاله
Background: Yeast is a widely utilized microorganism in the fermentation industry, particularly as a leavening agent for bread. The bread-making process yields a number of metabolites, particularly volatile compounds, which influence the end product quality. This study sought to identify volatile compounds and yeast species involved in the leavening process of bread derived from salak pondoh fruit (Salacca edulis Reinw.) to enhance bread aroma.
Methods: This study was conducted in between January and September 2024. Yeast isolates were selected based on their dough-leavening ability and were designated as YIS-3 and YIS-4. A descriptive experimental design was applied to evaluate the fermentation performance of both strains in bread making. Two yeast isolates were used in this study, and each isolate was used to produce bread. Volatile compounds in the bread were analyzed using Gas Chromatography–Mass Spectrometry, and sensory evaluation was conducted through organoleptic testing by 30 semi-trained panelists aged 20-35 years. Molecular identification was performed by sequencing the Internal Transcribed Spacer region. The Kruskal–Wallis test was used to identify significant differences among sample groups. When significant differences were observed (p<0.05), post hoc pairwise comparisons were conducted using the Mann–Whitney U test to determine which groups differed significantly.
Results: Gas Chromatography–Mass Spectrometry analysis identified 254 volatile compounds in bread fermented with YIS-3 and 231 compounds in bread fermented with YIS-4. The dominant volatile compound in YIS-3 bread was benzeneethanamine, while o-nitrostyrene was predominant in YIS-4 bread. Sensory evaluation revealed no significant difference in aroma preference between the two samples (p>0.05). Molecular identification showed that isolate YIS-3 shared 95.88% sequence similarity with Saccharomyces cerevisiae strain XZFM13-1, while YIS-4 shared 95.25% similarity with S. cerevisiae strain HBUAS61689.
Conclusion: Both species, identified as S. cerevisiae, contributed distinctive and sensorially acceptable aroma profiles in bread fermentation.

DOI: 10.18502/jfqhc.12.3.19786
 
کلیدواژه‌های انگلیسی مقاله Bread, Odorants, Sensation, Volatile Organic Compounds, Saccharomyces cerevisiae
نویسندگان مقاله | N. Kusmiyati
Department of Food Science and Biotechnology, Faculty of Agricultural Technology, Universitas Brawijaya, Malang, Indonesia


| J. Kusnadi
Department of Food Science and Biotechnology, Faculty of Agricultural Technology, Universitas Brawijaya, Malang, Indonesia


| S. Septiana
Department of Food Science and Biotechnology, Faculty of Agricultural Technology, Universitas Brawijaya, Malang, Indonesia


| N. Zahroh
Departemen of Biology, Faculty of Science dan Technology, Universitas Islam Negeri Maulana Malik Ibrahim, Malang, Indonesia


| U. Utami
Departemen of Biology, Faculty of Science dan Technology, Universitas Islam Negeri Maulana Malik Ibrahim, Malang, Indonesia
نشانی اینترنتی http://jfqhc.ssu.ac.ir/browse.php?a_code=A-10-1828-1&slc_lang=en&sid=1
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original article
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