{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,19]],"date-time":"2026-03-19T18:33:33Z","timestamp":1773945213275,"version":"3.50.1"},"reference-count":50,"publisher":"MDPI AG","issue":"24","license":[{"start":{"date-parts":[[2020,12,8]],"date-time":"2020-12-08T00:00:00Z","timestamp":1607385600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["17J02308"],"award-info":[{"award-number":["17J02308"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Riken Food Co., Ltd.","award":["basic science research funding"],"award-info":[{"award-number":["basic science research funding"]}]},{"name":"RIKEN VITAMIN Co., Ltd.","award":["basic science research funding"],"award-info":[{"award-number":["basic science research funding"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Sea urchin gonads are a delicious seafood item of high commercial value. Our past studies have revealed that the gonads of the sea urchin Mesocentrotus nudus fed the basal frond portion of fresh Saccharina kelp (BS) or the sporophylls of fresh Undaria (SU) during May\u2013July are of high-quality. The present study investigated the flavor and taste of BS and SU gonads in comparison with those from non-fed M. nudus (NF) using gas chromatography\u2013mass spectrometry (GC\u2013MS) and gas chromatography (GC)-sniffing techniques, and a taste-sensing system. Data of the estimated intensity of taste (EIT) were compared with assessment of gonads from M. nudus collected from an Eisenia bed (fishing ground) and a barren in July. Gonads from both BS and SU released pleasant green, sour, and fruity aromas characteristic of butyl acetate, which are here recognized essential flavor components of high-quality gonads. The gonads of BS and SU had a strong umami taste compared to those of NF, and the Eisenia bed and the barren. The most marketable M. nudus gonads were assessed to be those with green and fruity aromas from butyl acetate, sweet aroma from benzaldehyde, umami EIT &gt; 13.8, bitterness EIT &lt; 3.1, and without any unpleasant sulfurous odor from sulfur-containing compounds.<\/jats:p>","DOI":"10.3390\/s20247008","type":"journal-article","created":{"date-parts":[[2020,12,8]],"date-time":"2020-12-08T09:17:04Z","timestamp":1607419024000},"page":"7008","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Quantification of the Flavor and Taste of Gonads from the Sea Urchin Mesocentrotus nudus Using GC\u2013MS and a Taste-Sensing System"],"prefix":"10.3390","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5946-4297","authenticated-orcid":false,"given":"Satomi","family":"Takagi","sequence":"first","affiliation":[{"name":"Laboratory of Marine Plant Ecology, Graduate School of Agricultural Science, Tohoku University, Aza-Aoba, Aramaki, Aoba, Sendai, Miyagi 980-0845, Japan"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9813-6181","authenticated-orcid":false,"given":"Yoichi","family":"Sato","sequence":"additional","affiliation":[{"name":"Riken Food Co., Ltd., Miyauchi, Tagajyo, Miyagi 985-0844, Japan"},{"name":"Nishina Center for Accelerator-Based Science, RIKEN, Hirosawa, Wako, Saitama 351-0198, Japan"}]},{"given":"Yuko","family":"Murata","sequence":"additional","affiliation":[{"name":"National Research Institute of Fisheries Science, Japan Fisheries Research and Education Agency, Fukuura, Kanazawa, Yokohama, Kanagawa 236-8648, Japan"}]},{"given":"Atsuko","family":"Kokubun","sequence":"additional","affiliation":[{"name":"Food Analysis Laboratory, Quality Assurance Division, RIKEN VITAMIN Co., Ltd., Aoyagi, Soka, Saitama 340-0002, Japan"}]},{"given":"Ken","family":"Touhata","sequence":"additional","affiliation":[{"name":"National Research Institute of Fisheries Science, Japan Fisheries Research and Education Agency, Fukuura, Kanazawa, Yokohama, Kanagawa 236-8648, Japan"}]},{"given":"Noriko","family":"Ishida","sequence":"additional","affiliation":[{"name":"National Research Institute of Fisheries Science, Japan Fisheries Research and Education Agency, Fukuura, Kanazawa, Yokohama, Kanagawa 236-8648, Japan"}]},{"given":"Yukio","family":"Agatsuma","sequence":"additional","affiliation":[{"name":"Laboratory of Marine Plant Ecology, Graduate School of Agricultural Science, Tohoku University, Aza-Aoba, Aramaki, Aoba, Sendai, Miyagi 980-0845, Japan"}]}],"member":"1968","published-online":{"date-parts":[[2020,12,8]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Brown, N.P., and Eddy, S.D. 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