Highly methylated agar from Gracilaria edulis (Gracilariales, Rhodophyta)

Journal of Applied Phycology

Volumn 11, Issue 2, 1999, Pages 225-227

  Villanueva, Ronald ^a   Montaño, Nemesio ^a  

^a University of the Philippines Diliman   (Philippines)

Author keywords

Agar; FT IR spectroscopy; Gelation properties; Gracilaria edulis; Methylated agar; NMR spectroscopy

Indexed keywords

3,6 ANHYDRO ALPHA LEVO GALACTOPYRANOSE; 6 O METHYL BETA DEXTRO GALACTOPYRANOSE; AGAR; CALCIUM; CARRAGEENAN; CHEMICAL STRUCTURE; GEL; GELATION; INFRARED SPECTROSCOPY; METHYLATION; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; POTASSIUM; SODIUM; SULFATE; SULFATION;

GRACILARIA GRACILIS;

EID: 0032790796     PISSN: 09218971     EISSN: None     Source Type: Journal    
DOI: 10.1023/A:1008036313588     Document Type: Article

References (13)

1. Armisen R, Galatas F (1987) Production, properties and uses of agar. In McHugh DJ (ed.), Production and Utilization of Products from Commercial Seaweeds. FAO Fisheries Technical Paper 288: 1-57.
2. Craigie JS, Leigh C (1978) Carrageenans and agars. In Hellebust JA, Craigie JS (eds), Handbook of Phycological Methods. Physiological and Biochemical Methods. Cambridge University Press, Cambridge: 109-131.
3. Duckworth M, Yaphe W (1970) Definitive assay for pyruvic acid in agar and other algal polysaccharides. Chem. Ind. (Lond.): 747-748.
4. Fiszman SM, Duran L (1992) Effect of fruit pulp and sucrose on the compression response of different polysaccharide gel systems. Carbohydr. Polym. 17: 11-17.
5. Hurtado-Ponce AQ, Umezaki I (1988) Physical properties of agar gel from Gracilaria (Rhodophyta) of the Philippines. Bot. mar. 31: 171-174.
6. Jackson SG, McCandless EL (1978) Simple, rapid, turbidometric determination of inorganic sulfate and/or protein. Anal. Biochem. 90: 802-808.
7. Lahaye M, Rochas C, Yaphe W (1986) A new procedure for determining the heterogeneity of agar polymers in the cell walls of Gracilaria spp. (Gracilariaceae, Rhodophyta). Can. J. Bot. 64: 579-585.
8. Laserna EC, Veroy RL, Luistro AH, Cajipe GJB (1981) Extracts from some red and brown seaweeds of the Philippines. Proc. int. Seaweed Symp. 5: 443-448.
9. Matsuhiro B, Rivas P (1993) Second-derivative Fourier transform infrared spectra of seaweed galactans. J. appl. Phycol. 5: 45-51.
10. Murano E, Toffanin R, Pedersini C, Carabot-Cuervo A, Blunden G, Rizzo R (1996) Structure and properties of agar from two unexploited agarophytes from Venezuela. Hydrobiologia 326/327: 497-500.
11. Murano E, Gilli R, Navarini L, Toffanin R, D'Agnolo E, Paoletti S, Rizzo R (1995) Ion-driven gelation of highly sulfated agar. J. mar. Biotechnol. 3: 143-145.
12. Thomas PC, Krishnamurthy V (1976) Agar from cultured Gracilaria edulis (Gmel.) Silva. Bot. mar. 19: 115-117.
13. Velasquez GT (1989) Phycological Research in the Philippines. National Academy of Science and Technology, Manila, Philippines, 303 pp.