BLBS102-c20 BLBS102-Simpson March 21, 2012 13:35 Trim: 276mm X 219mm Printer Name: Yet to Come
Table 20.4.(Continued)Raw MaterialsPretreatmentaExtractiona%Yield (Basedon Wet Basis)CollagenTypeMolecular
CompositionsReferencesBigeye snapper bone(P. tayenus)0.1 M NaOH for 6 h,followed by 10% (v/v)butanol for 18 h and 0.5M EDTA-4 Na for 40 h0.5 M acetic acid for 24 h andre-extract with the same solution for24 h (ASC)1.6 (ASC)Type IAt least twodifferentα-chainsKittiphattanabawonet al. (2005)Pagrus majorscale 10% (w/v) for 48 h,followed by 0.5 MEDTA for 24–48 h0.01 M HCl for 48 h (ASC)0.01 M HCl containing porcine pepsinfor 72 h (PSC)∼2forASCand PSCType INMdIkoma et al. (2003)Oreochromisniloticasscale10% (w/v) for 48 h,followed by 0.5 MEDTA for 24–48 h0.01 M HCl for 48 h (ASC)0.01 M HCl containing porcine pepsinfor 72 h (PSC)∼2forASCand PSCType INMdIkoma et al. (2003)Carp scale(C. carpio)0.1 M NaOH for 6 h,followed by 0.5 MEDTA-2Na for 24 h0.5 M acetic acid for 4 days (ASC)1.35bType I(α1)α 2
2Duan et al. (2009)Scallop mantle(Patinopectenyessoensis)0.1 M NaOH for 12 h0.5 M acetic acid containing porcinepepsin for 2 days0.48 (PSC)Type I(major)and V(minor)Two differentα-chainsXuan Ri et al.(2007)Cuttlefish outer skin(Sepia lycidas)0.1 N NaOH for 3 days0.5 M acetic acid for 3 days (ASC)days and re-extract with the samesolution for 2 days (ASC)
0.5 M acetic acid containing porcinepepsin for 48 h (PSC)b 2(ASC)
35b(PSC)NMd(α1)α 2
2Nagai et al. (2001)Rhizostomousjellyfishmesogloea(Rhopilemaasamushi)0.1M NaOH0.5M acetic acid for 3 days (ASC)0.5 M acetic acid containing porcinepepsin for 48 h (PSC)32.5b(PSC)NMdα1 α2 α3 α4forPSCNagai et al. (2000)Common minkewhale(Balaenopteraacutorostrata)unesu99.5% ethanol, followedby 0.1 M NaOH for 2days0.5 M acetic acid for 3 days (ASC)0.5 M acetic acid containing porcinepepsin (PSC)0.9 (ASC)28.4 (PSC)Type I(α1)α 2
2Nagai et al. (2008)aAll procedures were performed at 4◦C.bBased on dry basis.cBased on hydrohyproline content.dNM, not mentioned.376