1. Balian, G. and Bowes, J. H. 1977. The Science and Technology of Gelatin: The Structure and Properties of Collagen. Academic Press Inc., New York, PP. 1-27.
2. Baziwane, D. and He, Q. 2003. Gelatine: The Paramount Food Additives. Food Rev. Inter., 19(4): 423-435.
3. Burjandze, T. V. 1979. Hydroxy-proline Content and Location in Relation to Collagen Thermal Stability. Biopoly., 18: 931-936.
4. Elijah, T. 1978. Invertebrate Collagen. Sci., 202: 591-598.
5. Foegeding, E. A., Lanier, T. C., and Hultin, H. O. 1996. Food Chemistry: Collagen. Marcel Dekker Inc., New York, PP. 902-906.
6. Grossman, S. and Bergman, M. 1992. Process for the Production of Gelatin from Fish Skins. US Patent 5093474.
7. Gom´ez-Guill´en, M. C., Turnay, T. F., Fernandez-Diaz, M. D., Ulmo, N., Lizarbe, M. A. and Montero, P. 2002. Structural and Physical Properties of Gelatin Extracted from Different Marine Species: A Comparative Study. Food Hydroc., 16: 25–34.
8. Gom´ez-Guill´en, M. C., Giménez, B., López-Caballero, M. E. and Montero, M. P. 2011. Functional and Bioactive Properties of Collagen and Gelatin from Alternative Sources: A Review. Food Hydroc., 25: 1813-1827
9. Gudmundsson, M. 2002. Rheological Properties of Fish Gelatins. J. Food Sci., 67(6): 2172- 2176.
10. Hwang, J.H., Mizuta, S., Yokoyama, Y. and Yoshinaka, R. 2007. Purification and Characterization of Molecular Species of Collagen in the Skin of Skate (Raja Kenojei). Food Chem., 100(3): 921–925.
11. Johnston-Banks, F. A. 1990. Gelatin: Food Gels. Elsevier Applied Science Publ, London, PP. 233-289.
12. Jongjareonrak, A., Benjakul, S., Visessanguan, W. and Tanaka, M. 2005. Isolation and Characterization of Collagen from Bigeye Snapper (Priacanthus macracanthus) Skin. J. Sci. Food Agr., 85: 1203-1210.
13. Laemmli, U. K. 1970. Cleavage of Structure Proteins during the Assembly of the Head of Bacteriophage T4. Nature, 227: 680-685.
14. Ledward, D. A. 1986. Functional Properties of Food Macromolecules Gelation of Gelatin. Elsevier Applied Science, London. PP. 171- 201.
15. Li, H., Liu, B. L., Gao, L. Z. and Chen, H. L. 2004. Studies on Bullfrog Skin Collagen. Food Chem., 84(1): 65-69.
16. Lin, X. Y., Fan, H. S., Li, X. D., Tang, M. and Zhang, X. D. 2005. Evaluation of Bioactivity and Cytocompatibility of Nano-hyrodxyapatite/Collagen Composite In vitro. Key Eng. Mater. 286: 553–556.
17. Liu, Y., Sun, S., Singha, S., Cho, M. R. and Gordon, R. J. 2005. 3D Femtosecond Laser Patterning of Collagen for Directed Cell Attachment. Biomater., 26(22): 4597-4605.
18. Mizuta, Sh., Nakanishi, Y., Shiraishi, M., Yokoyama Y. and Yoshinaka R. 2007. Properties of Scallop Mantle Collagen: Its Content, Tissue Distribution and Thermal Behavior. Fisheries Sci., 73(6): 1353-1361.
19. Morales, J., Montero, P. and Moral A. 2000. Isolation and Partial Characterization of Two Types of Muscle Collagen in Some Cephalopods. J. Agric. Food Chem., 48(6): 2142–2148.
20. Muyonga, J. H., Cole, C. G. B. and Duodu, K. G. 2004a. Characterization of Acid Soluble Collagen from Skins of Young and Adult Nile Perch (Lates niloticus). Food Chem., 85(1): 81-89.
21. Muyonga, J. H., Cole, C. G. B. and Duodu, K. G. 2004b. Extraction and Physico-chemical Characterization of Nile Perch (Lates niloticus) Skin and Bone Gelatin. Food Hydroc., 18: 581-592.
22. Nagai, T. and Suzuki, N. 2000. Isolation of Collagen from Fish Waste Material Skin, Bones and Fins. Food Chem., 68(3): 77-281.
23. Nagai, T., Yamashita, E., Taniguchi, K., Kanamori, N. and Suzuki, N. 2001. Isolation and Characterization of Collagen from the Outer Skin Waste Material of Cuttlefish (Sepia lycidas). Food Chem., 72(4): 425-9.
24. Nam, K. A., You, S. G. and Kim, S. M. 2008. Molecular and Physical Characteristics of Squid (Todarodes pacificus) Skin Collagens and Biological Properties of Their Enzymatic Hydrolysates. J. Food Sci., 73(4): C249-C255.
25. Nemethy, G., Steinberg, I. Z. and Scheraga, H. A. 1963. Influence of Water Structure and of Hydrophobic Interactions on the Strength of Side-chain H Bonds in Proteins. Biopoly., 1: 43-69.
26. Nomura, Y., Toki, S., Ishii, Y. and Shirai, K. 2000. The Physicochemical Property of Shark Type I Collagen Gel and Membrane. J. Agr. Food Chem., 48(6): 2028-2032.
27. Pati, F., Adhikari, B. and Dhara, S. 2010. Isolation and Characterization of Fish Scale Collagen of Higher Thermal Stability. Bioresour. Technol., 101: 3737-42.
28. Rigby, B. J. 1968. Amino-acid Composition and Thermal Stability of the Skin Collagen of the Antarctic Ice-fish. Nature, 219: 166-167.
29. Sadowska, M., Kolodziejska, I. and Niecikowska, C. 2003. Isolation of Collagen from the Skins of Baltic Cod (Gadus morhua). Food Chem., 81(2): 257-262.
30. Schrieber, R. and Gareis, H. 2007. Gelatin Handbook. Wiley- VCH GMbH and Co., Weinhem, PP.157-166.
31. Senaratne, S., Park, P. J. and Kim, S. K. 2006. Isolation and Characterization of Collagen from Brown Backed Toadfish (Lagocephalus gloveri) Skin. Bioresour. Technol., 97: 191–197.
32. Shen, X.R., Kurihara, H. and Takahashi, K. 2007. Characterization of Molecular Species of Collagen in Scallop Mantle. Food Chem., 102: 1187–1191.
33. Swatschek, D., Schatton, W., Kellermann, J., Muller, W. E. G. and Kreuter, J. 2002. Marine Sponge Collagen: Isolation, Characterization and Effects on the Skin Parameters Surface–pH, Moisture and Sebum. Eur. H. Pharm. Biopharm., 53: 107-113.
34. Takahashi, T. and Yokoyama, W. 1954. Physico-chemical Studies on the Skin and Leather of Marine Animals. XII. The Content of Hydroxyproline in the Collagen of Different Fish Skins. Bull. Japanese Soc. Sci. Fish., 20: 525-529.