| Studies on the Key Aroma Compounds in Soy Milk Made from Three Different Soybean Cultivars. | |
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MedLine Citation:
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PMID: 21981068 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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An investigation by Aroma Extract Dilution Analysis (AEDA) of the aroma concentrate of soy milk made from a major Japanese soybean cultivar, Fukuyutaka (FK), revealed 20 key aroma compounds as Flavor Dilution (FD) factors of not less than 43. Among them, 2-isopropyl-3-methoxypyrazine, cis-4,5-epoxy-(E)-2-decenal, trans-4,5-epoxy-(E)-2-decenal, 3-hydroxy-4,5-dimethyl-2(5H)-furanone, and 2'-aminoacetophenone were identified as the key aroma compounds in soy milk for the first time. (E,E)-2,4-Decadienal exhibiting the fatty note and trans-4,5-epoxy-(E)-2-decenal exhibiting the metallic/sweet note were detected as having the highest FD-factor of 46, followed by hexanal (green), (E)-2-nonenal (fatty), and (E,E)-2,4-nonadienal (fatty) as the FD-factor of 45. Although all these compounds might be generated from lipids, various aroma components, which were thought to be generated from amino acids, sugars, and ferulic acid, were detected as the FD-factors of 43 to 44. Investigation by comparative AEDA experiments of the soy milk aroma concentrates of two cultivars for soybean curd and soy milk, FK and Vinton81 (VT), and one cultivar for boiled beans, Miyagishirome (MY), revealed that most of the key aroma compounds were common in all of them, but 2-isopropyl-3-methoxypyrazine exhibiting a pea-like/earthy note was detected only in FK and VT. In addition, a sensory experiment revealed that the pea-like/earthy notes in FK and VT were significantly stronger than that in MY. These results insisted that a pea-like/earthy note contributed by 2-isopropyl-3-methoxypyrazine might be one of the essential characteristics to describe soy milk aromas. |
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Authors:
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Shu Kaneko; Kenji Kumazawa; Osamu Nishimura |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-10-8 |
Journal Detail:
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Title: Journal of agricultural and food chemistry Volume: - ISSN: 1520-5118 ISO Abbreviation: - Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-10-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0374755 Medline TA: J Agric Food Chem Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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