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dc.contributor.authorHurtado-Ponce, A. Q.
dc.date.accessioned2013-02-01T08:51:50Z
dc.date.available2013-02-01T08:51:50Z
dc.date.issued1992
dc.identifier.citationHurtado-Ponce, A. Q. (1992). Rheological properties of agar from Gracilariopsis heteroclada (Zhang et Xia) Zhang et Xia (Gracilariales, Rhodophyta) treated with powdered commercial lime and aqueous alkaline solution. Botanica marina, 35(5), 365-369.en
dc.identifier.issn0006-8055
dc.identifier.urihttp://hdl.handle.net/10862/1381
dc.description.abstractRheological properties were measured for 1.5% agar gels from Gracilariopsis heteroclada pre-treated with powdered commercial lime (CaCO3) during sun drying, and a combination of two alkaline solutions during water-bath heating in the laboratory. All samples were subjected to a one or three hours of heating prior to extraction. Slightly higher agar yield were obtained from samples treated with lime while drying (2.9-4.5%) than from seaweed (2.1-3.8%) treated with alkaline solutions in the laboratory. Better rheological (breaking strength,cohesiveness, breaking energy, and rigidity) and physical properties (dynamic gelling and melting temperatures) were obtained from laboratory treated seaweed after a 3-hour treatment. No effect of collection site, alkali treatment and treatment time on the yield of agar, was observed. However, significant (P ≤ 0.01) effects were recorded for collection site, alkali treatment and treatment time both on rheological properties and on gelling and melting temperatures.en
dc.language.isoenen
dc.publisherWalter de Gruyteren
dc.subjectGracilariopsis heteroclada
dc.subjectRhodophytaen
dc.titleRheological properties of agar from Gracilariopsis heteroclada (Zhang et Xia) Zhang et Xia (Gracilariales, Rhodophyta) treated with powdered commercial lime and aqueous alkaline solutionen
dc.typeArticleen
dc.identifier.doi10.1515/botm.1992.35.5.365
dc.citation.volume35
dc.citation.issue5
dc.citation.spage365
dc.citation.epage369
dc.citation.journalTitleBotanica Marinaen
seafdecaqd.library.callnumberVF SJ 0377
seafdecaqd.databank.controlnumber1992-39
dc.subject.asfaAgaren
dc.subject.asfaGelsen
dc.subject.asfaPhysical propertiesen
dc.subject.asfaRheologyen
dc.subject.asfaSeaweed productsen
dc.subject.asfaSeaweedsen


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