Assessment of quality of cod roes and relationship between quality and maturity stage
Cod roe landings are subject to great variability regarding their quality and subsequent price for the food industry. A scheme was developed for the classification of cod roe into four quality grades (A, B, C and D) based on appearance and texture attributes as described by cod roe traders. Evaluati...
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| Veröffentlicht in: | Journal of the science of food and agriculture 1999-07, Vol.79 (10), p.1249-1259 |
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| creator | Katsiadaki, I.G Taylor, K.D.A Smith, G |
| description | Cod roe landings are subject to great variability regarding their quality and subsequent price for the food industry. A scheme was developed for the classification of cod roe into four quality grades (A, B, C and D) based on appearance and texture attributes as described by cod roe traders. Evaluation of the maturity stage of 80 commercial cod ovaries through the frequency distribution of oocyte diameter and the percentage presence of empty follicular sacks revealed that cod ovaries with commercial value are at stage 4 (ripe or vitellogenic), stage 5 (spawning) and stage 6 (spent) of development. The designated maturity stages were found to be closely related to the described quality grades. This relationship implied that vitellogenic ovaries (stages 4a, 4b and 4c) were of A quality, early spawning ovaries (stage 5a) were most often classed as B quality, advanced and late spawning ovaries (stage 5b and 5c) were of C quality, whilst spent ovaries (stage 6) were of the lowest quality grade (D). Several physicochemical characteristics recorded (eg pH, membrane features) were also found to be related to the quality and the maturity stage of the ovaries. There is a significant relationship between roe quality and moisture content, with roes of higher quality having a lower moisture content. |
| doi_str_mv | 10.1002/(SICI)1097-0010(19990715)79:10<1249::AID-JSFA356>3.0.CO;2-J |
| format | Article |
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A scheme was developed for the classification of cod roe into four quality grades (A, B, C and D) based on appearance and texture attributes as described by cod roe traders. Evaluation of the maturity stage of 80 commercial cod ovaries through the frequency distribution of oocyte diameter and the percentage presence of empty follicular sacks revealed that cod ovaries with commercial value are at stage 4 (ripe or vitellogenic), stage 5 (spawning) and stage 6 (spent) of development. The designated maturity stages were found to be closely related to the described quality grades. This relationship implied that vitellogenic ovaries (stages 4a, 4b and 4c) were of A quality, early spawning ovaries (stage 5a) were most often classed as B quality, advanced and late spawning ovaries (stage 5b and 5c) were of C quality, whilst spent ovaries (stage 6) were of the lowest quality grade (D). Several physicochemical characteristics recorded (eg pH, membrane features) were also found to be related to the quality and the maturity stage of the ovaries. There is a significant relationship between roe quality and moisture content, with roes of higher quality having a lower moisture content.</description><identifier>ISSN: 0022-5142</identifier><identifier>EISSN: 1097-0010</identifier><identifier>DOI: 10.1002/(SICI)1097-0010(19990715)79:10<1249::AID-JSFA356>3.0.CO;2-J</identifier><identifier>CODEN: JSFAAE</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>appearance ; Biological and medical sciences ; cod ; cod (fish) ; color ; eggs ; Fish and seafood industries ; fish roe ; Food industries ; food quality ; Fundamental and applied biological sciences. Psychology ; gonadal development ; maturity ; maturity stage ; oocytes ; ova ; ovarian development ; ovaries ; ovary ; quality ; roe ; size ; texture ; vitellogenesis ; vitellogenic ovaries</subject><ispartof>Journal of the science of food and agriculture, 1999-07, Vol.79 (10), p.1249-1259</ispartof><rights>Copyright © 1999 Society of Chemical Industry</rights><rights>2000 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c5096-5ed8add57d24b95e0a5341cddd26c89c1cbe7d785ca4a524261f85f74a4273ac3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2F%28SICI%291097-0010%2819990715%2979%3A10%3C1249%3A%3AAID-JSFA356%3E3.0.CO%3B2-J$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2F%28SICI%291097-0010%2819990715%2979%3A10%3C1249%3A%3AAID-JSFA356%3E3.0.CO%3B2-J$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27848,27903,27904,45553,45554</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1188157$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Katsiadaki, I.G</creatorcontrib><creatorcontrib>Taylor, K.D.A</creatorcontrib><creatorcontrib>Smith, G</creatorcontrib><title>Assessment of quality of cod roes and relationship between quality and maturity stage</title><title>Journal of the science of food and agriculture</title><addtitle>J. Sci. Food Agric</addtitle><description>Cod roe landings are subject to great variability regarding their quality and subsequent price for the food industry. A scheme was developed for the classification of cod roe into four quality grades (A, B, C and D) based on appearance and texture attributes as described by cod roe traders. Evaluation of the maturity stage of 80 commercial cod ovaries through the frequency distribution of oocyte diameter and the percentage presence of empty follicular sacks revealed that cod ovaries with commercial value are at stage 4 (ripe or vitellogenic), stage 5 (spawning) and stage 6 (spent) of development. The designated maturity stages were found to be closely related to the described quality grades. This relationship implied that vitellogenic ovaries (stages 4a, 4b and 4c) were of A quality, early spawning ovaries (stage 5a) were most often classed as B quality, advanced and late spawning ovaries (stage 5b and 5c) were of C quality, whilst spent ovaries (stage 6) were of the lowest quality grade (D). Several physicochemical characteristics recorded (eg pH, membrane features) were also found to be related to the quality and the maturity stage of the ovaries. There is a significant relationship between roe quality and moisture content, with roes of higher quality having a lower moisture content.</description><subject>appearance</subject><subject>Biological and medical sciences</subject><subject>cod</subject><subject>cod (fish)</subject><subject>color</subject><subject>eggs</subject><subject>Fish and seafood industries</subject><subject>fish roe</subject><subject>Food industries</subject><subject>food quality</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>gonadal development</subject><subject>maturity</subject><subject>maturity stage</subject><subject>oocytes</subject><subject>ova</subject><subject>ovarian development</subject><subject>ovaries</subject><subject>ovary</subject><subject>quality</subject><subject>roe</subject><subject>size</subject><subject>texture</subject><subject>vitellogenesis</subject><subject>vitellogenic ovaries</subject><issn>0022-5142</issn><issn>1097-0010</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>K30</sourceid><recordid>eNqNkF1v0zAUhiMEEmXwG4gEF9tFyrEdx3FBk6qMjlbVetEVJJA4ch1nZKRJZ6ca_fc4pCsXcLErf-jxeV8_QZARGBIA-u50Oc2mZwSkiAAInBIpJQjCz4QcEfhAaCxHo_H0IpotJ2PGk3M2hGG2eE-j2ZNgcHz3NBj4aTTiJKbPgxfO3QKAlEkyCFZj54xzG1O3YVOEdztVle2-2-omD21jXKhqvzGVasumdj_Kbbg27b0x9RHugI1qd7Y7uFbdmJfBs0JVzrw6rCfBavLxOvsUzReX02w8jzQHmUTc5KnKcy5yGq8lN6A4i4nO85wmOpWa6LURuUi5VrHiNKYJKVJeiFjFVDCl2Unwpp-7tc3dzrgWb5udrX0kkpT5HwqIU0996yltG-esKXBry42yeySAnWfEzjN2vrDzhQ-eUcg_jPeM6D3jwTMyBMwWSHHmp789dFBOq6qwqtal-xtB0pRw4bHvPXZfVmb_T4NHFPh__sOVD4j6gNK15tcxQNmfmAgmOH65usTJdfY5nX9dYub51z1fqAbVjfWdV0sKhAGVjAhO2W9_07gf</recordid><startdate>19990715</startdate><enddate>19990715</enddate><creator>Katsiadaki, I.G</creator><creator>Taylor, K.D.A</creator><creator>Smith, G</creator><general>John Wiley & Sons, Ltd</general><general>Wiley</general><general>Published for the Society of Chemical Industry by Elsevier Applied Science</general><scope>FBQ</scope><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>HJHVS</scope><scope>IZSXY</scope><scope>K30</scope><scope>PAAUG</scope><scope>PAWHS</scope><scope>PAWZZ</scope><scope>PAXOH</scope><scope>PBHAV</scope><scope>PBQSW</scope><scope>PBYQZ</scope><scope>PCIWU</scope><scope>PCMID</scope><scope>PCZJX</scope><scope>PDGRG</scope><scope>PDWWI</scope><scope>PETMR</scope><scope>PFVGT</scope><scope>PGXDX</scope><scope>PIHIL</scope><scope>PISVA</scope><scope>PJCTQ</scope><scope>PJTMS</scope><scope>PLCHJ</scope><scope>PMHAD</scope><scope>PNQDJ</scope><scope>POUND</scope><scope>PPLAD</scope><scope>PQAPC</scope><scope>PQCAN</scope><scope>PQCMW</scope><scope>PQEME</scope><scope>PQHKH</scope><scope>PQMID</scope><scope>PQNCT</scope><scope>PQNET</scope><scope>PQSCT</scope><scope>PQSET</scope><scope>PSVJG</scope><scope>PVMQY</scope><scope>PZGFC</scope></search><sort><creationdate>19990715</creationdate><title>Assessment of quality of cod roes and relationship between quality and maturity stage</title><author>Katsiadaki, I.G ; Taylor, K.D.A ; Smith, G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5096-5ed8add57d24b95e0a5341cddd26c89c1cbe7d785ca4a524261f85f74a4273ac3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>appearance</topic><topic>Biological and medical sciences</topic><topic>cod</topic><topic>cod (fish)</topic><topic>color</topic><topic>eggs</topic><topic>Fish and seafood industries</topic><topic>fish roe</topic><topic>Food industries</topic><topic>food quality</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>gonadal development</topic><topic>maturity</topic><topic>maturity stage</topic><topic>oocytes</topic><topic>ova</topic><topic>ovarian development</topic><topic>ovaries</topic><topic>ovary</topic><topic>quality</topic><topic>roe</topic><topic>size</topic><topic>texture</topic><topic>vitellogenesis</topic><topic>vitellogenic ovaries</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Katsiadaki, I.G</creatorcontrib><creatorcontrib>Taylor, K.D.A</creatorcontrib><creatorcontrib>Smith, G</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Periodicals Index Online Segment 19</collection><collection>Periodicals Index Online Segment 30</collection><collection>Periodicals Index Online</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - West</collection><collection>Primary Sources Access (Plan D) - International</collection><collection>Primary Sources Access & Build (Plan A) - MEA</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - Midwest</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - Northeast</collection><collection>Primary Sources Access (Plan D) - Southeast</collection><collection>Primary Sources Access (Plan D) - North Central</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - Southeast</collection><collection>Primary Sources Access (Plan D) - South Central</collection><collection>Primary Sources Access & Build (Plan A) - UK / I</collection><collection>Primary Sources Access (Plan D) - Canada</collection><collection>Primary Sources Access (Plan D) - EMEALA</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - North Central</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - South Central</collection><collection>Primary Sources Access & Build (Plan A) - International</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - International</collection><collection>Primary Sources Access (Plan D) - West</collection><collection>Periodicals Index Online Segments 1-50</collection><collection>Primary Sources Access (Plan D) - APAC</collection><collection>Primary Sources Access (Plan D) - Midwest</collection><collection>Primary Sources Access (Plan D) - MEA</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - Canada</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - UK / I</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - EMEALA</collection><collection>Primary Sources Access & Build (Plan A) - APAC</collection><collection>Primary Sources Access & Build (Plan A) - Canada</collection><collection>Primary Sources Access & Build (Plan A) - West</collection><collection>Primary Sources Access & Build (Plan A) - EMEALA</collection><collection>Primary Sources Access (Plan D) - Northeast</collection><collection>Primary Sources Access & Build (Plan A) - Midwest</collection><collection>Primary Sources Access & Build (Plan A) - North Central</collection><collection>Primary Sources Access & Build (Plan A) - Northeast</collection><collection>Primary Sources Access & Build (Plan A) - South Central</collection><collection>Primary Sources Access & Build (Plan A) - Southeast</collection><collection>Primary Sources Access (Plan D) - UK / I</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - APAC</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - MEA</collection><jtitle>Journal of the science of food and agriculture</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Katsiadaki, I.G</au><au>Taylor, K.D.A</au><au>Smith, G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Assessment of quality of cod roes and relationship between quality and maturity stage</atitle><jtitle>Journal of the science of food and agriculture</jtitle><addtitle>J. Sci. Food Agric</addtitle><date>1999-07-15</date><risdate>1999</risdate><volume>79</volume><issue>10</issue><spage>1249</spage><epage>1259</epage><pages>1249-1259</pages><issn>0022-5142</issn><eissn>1097-0010</eissn><coden>JSFAAE</coden><abstract>Cod roe landings are subject to great variability regarding their quality and subsequent price for the food industry. A scheme was developed for the classification of cod roe into four quality grades (A, B, C and D) based on appearance and texture attributes as described by cod roe traders. Evaluation of the maturity stage of 80 commercial cod ovaries through the frequency distribution of oocyte diameter and the percentage presence of empty follicular sacks revealed that cod ovaries with commercial value are at stage 4 (ripe or vitellogenic), stage 5 (spawning) and stage 6 (spent) of development. The designated maturity stages were found to be closely related to the described quality grades. This relationship implied that vitellogenic ovaries (stages 4a, 4b and 4c) were of A quality, early spawning ovaries (stage 5a) were most often classed as B quality, advanced and late spawning ovaries (stage 5b and 5c) were of C quality, whilst spent ovaries (stage 6) were of the lowest quality grade (D). Several physicochemical characteristics recorded (eg pH, membrane features) were also found to be related to the quality and the maturity stage of the ovaries. There is a significant relationship between roe quality and moisture content, with roes of higher quality having a lower moisture content.</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/(SICI)1097-0010(19990715)79:10<1249::AID-JSFA356>3.0.CO;2-J</doi></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete; Periodicals Index Online |
| subjects | appearance Biological and medical sciences cod cod (fish) color eggs Fish and seafood industries fish roe Food industries food quality Fundamental and applied biological sciences. Psychology gonadal development maturity maturity stage oocytes ova ovarian development ovaries ovary quality roe size texture vitellogenesis vitellogenic ovaries |
| title | Assessment of quality of cod roes and relationship between quality and maturity stage |
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