Document Detail


Novel character impact compounds in Yuzu (Citrus junos Sieb. ex Tanaka) peel oil.
MedLine Citation:
PMID:  19203264     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Yuzu ( Citrus junos Sieb. ex Tanaka), a tree-grown fruit similar to a kind of sour orange, is widely used in Japanese food/cooking for its pleasant flavor. To clarify the odor-active volatiles that differentiate yuzu from other citrus fruits, sensory evaluations were conducted on yuzu peel oil. The results revealed that the polar part of yuzu peel oil was the source of the characteristic aroma of fresh yuzu fruit. By aroma extract dilution analysis (AEDA) of the polar volatile part of yuzu peel oil, seven odorants were newly identified as odor-active volatiles in yuzu peel oil in the highest flavor dilution (FD) factors of 128 and 32: oct-1-en-3-one, (E)-non-4-enal, (E)-dec-4-enal, 4-methyl-4-mercaptopentan-2-one, (E)-non-6-enal, (6Z,8E)-undeca-6,8,10-trien-3-one (Yuzunone), and (6Z,8E)-undeca-6,8,10-trien-4-ol (Yuzuol). Among the most odor-active volatiles in yuzu, (E)-non-6-enal and Yuzunone were identified for the first time solely in yuzu peel oil and not in the peel of other citrus species, and Yuzuol was identified for the first time in nature. Sensory evaluation of yuzu aroma reconstitutions revealed that the newly identified compound, Yuzunone, contributes greatly to the distinct yuzu aroma.
Authors:
Norio Miyazawa; Naomi Tomita; Yoshiko Kurobayashi; Akira Nakanishi; Yasutaka Ohkubo; Tomoko Maeda; Akira Fujita
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  57     ISSN:  1520-5118     ISO Abbreviation:  J. Agric. Food Chem.     Publication Date:  2009 Mar 
Date Detail:
Created Date:  2010-06-03     Completed Date:  2010-08-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1990-6     Citation Subset:  IM    
Affiliation:
Technical Research Center, T. Hasegawa Co., Ltd., 335 Kariyado, Nakahara-ku, Kawasaki-shi 211-0022, Japan. norio_miyazawa@t-hasegawa.co.jp
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MeSH Terms
Descriptor/Qualifier:
Citrus / chemistry*
Fruit / chemistry
Plant Extracts / analysis*
Plant Oils / chemistry*
Volatile Organic Compounds / analysis*
Chemical
Reg. No./Substance:
0/Plant Extracts; 0/Plant Oils; 0/Volatile Organic Compounds

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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