{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/38052"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/38052","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Studies on the preservation of crab processing waste and evaluation of the quality of the protein from crab waste","abstract":"Three experiments were conducted to determine the effect of different chemicals on the preservation of crab waste at room temperature. In Exp. 1, .2 and .4% NaOCI and H₂O₂ were used and the waste was stored for 17 d. In Exp. 2, NaCI (10%), NaNO₂ (1%), NaOCI (.4%), NaN₃ (.065%), KN0₃ (.1%), Tert butyl hydroperoxide (TBHP) (50 ppm), and I₂ (25 ppm) were used. After mixing with the chemicals the waste was stored for 21 d. In Exp. 3, the waste was treated with NaCI (100/0), NaNO₂(10/0) and NaN₃(.065%) and the mixtures were kept for 20, 30 and 40 d. In the first experiment the waste treated with .4% NaOCI preserved better than for the other treatments, with lower (P < .05) NH₃ and trimethylamine (TMA). In Exp. 2, treatment with NaCI, NaNO₂ and NaN₃ did not produce any change in the physical characters of the crab waste. The TMA, indole and NH₃ were lower (P < .05) and no H₂S was detected in the waste treated with those chemicals. In Exp. 3, treatment with NaCI did not alter the physical characteristics of crab waste. The waste had lower (P < .05) NH3, TMA and indole on d 20, 30 and 40 than those treated with NaNO₂ and NaN₃.","abstract_html":"Three experiments were conducted to determine the effect of different chemicals on the preservation of crab waste at room temperature. In Exp. 1, .2 and .4% NaOCI and H₂O₂ were used and the waste was stored for 17 d. In Exp. 2, NaCI (10%), NaNO₂ (1%), NaOCI (.4%), NaN₃ (.065%), KN0₃ (.1%), Tert butyl hydroperoxide (TBHP) (50 ppm), and I₂ (25 ppm) were used. After mixing with the chemicals the waste was stored for 21 d. In Exp. 3, the waste was treated with NaCI (100/0), NaNO₂(10/0) and NaN₃(.065%) and the mixtures were kept for 20, 30 and 40 d. In the first experiment the waste treated with .4% NaOCI preserved better than for the other treatments, with lower (P &lt; .05) NH₃ and trimethylamine (TMA). In Exp. 2, treatment with NaCI, NaNO₂ and NaN₃ did not produce any change in the physical characters of the crab waste. The TMA, indole and NH₃ were lower (P &lt; .05) and no H₂S was detected in the waste treated with those chemicals. In Exp. 3, treatment with NaCI did not alter the physical characteristics of crab waste. The waste had lower (P &lt; .05) NH3, TMA and indole on d 20, 30 and 40 than those treated with NaNO₂ and NaN₃.","abstract_has_math":false,"creators":["Joseph, Mercy A. D."],"institution":"Virginia Tech","degree_name":"Ph. D.","degree_level":"doctoral","degree_discipline":"Animal and Poultry Sciences","degree_department":"Animal and Poultry Sciences","school":null,"contributors":[],"advisors":[],"committee_chairs":["Fontenot, Joseph P."],"committee_members":["Gerken, Hubert J. Jr.","Polan, Carl E.","Eversole, Dan E.","Flick, George J. Jr.","Denbow, D. Michael"],"year":1996,"date_issued":"1996-08-05","date_published":"1996-08-05","updated_at":"2026-07-22T22:19:26Z","subjects":["crab waste","preservation","crab waste protein supplement","protein quality"],"languages":["en"],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-06062008-152119"],"render_values":[{"text":"etd-06062008-152119","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10919/38052","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.committeechair","label":"Committee Chair","values":["Fontenot, Joseph P."]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Gerken, Hubert J. Jr.","Polan, Carl E.","Eversole, Dan E.","Flick, George J. Jr.","Denbow, D. 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In Exp. 1, .2 and .4% NaOCI and H₂O₂ were used and the waste was stored for 17 d. In Exp. 2, NaCI (10%), NaNO₂ (1%), NaOCI (.4%), NaN₃ (.065%), KN0₃ (.1%), Tert butyl hydroperoxide (TBHP) (50 ppm), and I₂ (25 ppm) were used. After mixing with the chemicals the waste was stored for 21 d. In Exp. 3, the waste was treated with NaCI (100/0), NaNO₂(10/0) and NaN₃(.065%) and the mixtures were kept for 20, 30 and 40 d. In the first experiment the waste treated with .4% NaOCI preserved better than for the other treatments, with lower (P < .05) NH₃ and trimethylamine (TMA). In Exp. 2, treatment with NaCI, NaNO₂ and NaN₃ did not produce any change in the physical characters of the crab waste. The TMA, indole and NH₃ were lower (P < .05) and no H₂S was detected in the waste treated with those chemicals. In Exp. 3, treatment with NaCI did not alter the physical characteristics of crab waste. The waste had lower (P < .05) NH3, TMA and indole on d 20, 30 and 40 than those treated with NaNO₂ and NaN₃."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Ph. D."]},{"key":"dc:format.medium","label":"Dc Format Medium","values":["BTD"]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Studies on the preservation of crab processing waste and evaluation of the quality of the protein from crab waste"]}]}],"canonical_facts":{"dc:contributor.committeechair":["Fontenot, Joseph P."],"dc:contributor.committeemember":["Gerken, Hubert J. Jr.","Polan, Carl E.","Eversole, Dan E.","Flick, George J. Jr.","Denbow, D. Michael"],"dc:contributor.department":["Animal and Poultry Sciences"],"dc:creator":["Joseph, Mercy A. D."],"dc:date.accessioned":["2014-03-14T21:12:15Z"],"dc:date.available":["2014-03-14T21:12:15Z","2008-06-06"],"dc:date.issued":["1996-08-05"],"dc:description.abstract":["Three experiments were conducted to determine the effect of different chemicals on the preservation of crab waste at room temperature. In Exp. 1, .2 and .4% NaOCI and H₂O₂ were used and the waste was stored for 17 d. In Exp. 2, NaCI (10%), NaNO₂ (1%), NaOCI (.4%), NaN₃ (.065%), KN0₃ (.1%), Tert butyl hydroperoxide (TBHP) (50 ppm), and I₂ (25 ppm) were used. After mixing with the chemicals the waste was stored for 21 d. In Exp. 3, the waste was treated with NaCI (100/0), NaNO₂(10/0) and NaN₃(.065%) and the mixtures were kept for 20, 30 and 40 d. In the first experiment the waste treated with .4% NaOCI preserved better than for the other treatments, with lower (P < .05) NH₃ and trimethylamine (TMA). In Exp. 2, treatment with NaCI, NaNO₂ and NaN₃ did not produce any change in the physical characters of the crab waste. The TMA, indole and NH₃ were lower (P < .05) and no H₂S was detected in the waste treated with those chemicals. In Exp. 3, treatment with NaCI did not alter the physical characteristics of crab waste. The waste had lower (P < .05) NH3, TMA and indole on d 20, 30 and 40 than those treated with NaNO₂ and NaN₃."],"dc:description.degree":["Ph. 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