[1] Pereira-Pacheco, F., Robledo, D., Rodríguez-Carvajal, L. & Freile-Pelegrín, Y. (2007). Optimization of native agar extraction from Hydropuntia cornea from Yucatán, México. Bioresource Technology, 98: 1278–1284.
[2] Kumar, V. and Fotedar, R. (2009). Agar extraction process for Gracilaria cliftonii (Withell, Millar, & Kraft, 1994). Carbohydrate Polymers, 78: 813–819.
[3] Marinho-Soriano, E. and Bourret, E. (2003). Effects of season on the yield and quality of agar from Gracilaria species (Gracilariaceae, Rhodophyta). Bioresource Technology, 90: 329–33.
[4] Villanueva, R.D., Sousa, A.M.M., Gonçalves, M.P., Nilsson, M. & Hilliou, L. (2010). Production and properties of agar from the invasive marine alga, Gracilaria vermiculophylla (Gracilariales, Rhodophyta). Journal of Applied Phycology, 22: 211–220.
[5] Armisen, R. (1995). World-wide use and importance of Gracilaria. Journal of Applied Phycology, 7: 231–243.
[6] Venugopal, V. (2009). Marine Products for Healthcare: Functional and Bioactive Nutraceutical Compounds from the Ocean. CRC Press, Taylor & Francis Group, New York.
[7] Armise´n, R., Galatas, F., Hispanagar, S.A., and Spain. (2009). Agar. In: Phillips, G.O. and Williams, P.A. (2th edn). A Handbook of hydrocolloids. (pp. 82-107). Cambridge, UK.
[8] Lau, M., H., Tang, J. & Paulson, A., T. (2000). Texture profile and turbidity of gellan/gelatin mixed gels. Food Research International, 33: 665-671.
[9] Fox, P., Guinee, T., Cogan, M., and McSweeney, P. (2000). Fundamentals of cheese science. Aspen publication.
[10] Gunasekaran, S., and Mehmet, A. (2003). Cheese rheology and texture. CRC Press LLC
[11] Falshaw, R., Furneaux, R.H., & Stevenson, D.E. (1998). Agars from nine species of red seaweed in the genus Curdiea (Gracilariaceae, Rhodophyta). Carbohydrate Research, 308: 107-115.
[12] Rodríguez, M.C., Matulewicz, M.C., Noseda, M.D., Ducatti, D.R.B. & Leonardi, P.L. (2009). Agar from Gracilaria gracilis (Gracilariales, Rhodophyta) of the Patagonic coast of Argentina – Content, structure and physical properties. Bioresource Technology, 100: 1435–1441.
[13] Sousa, A.M., Alves, V.D., Morais, S., Delerue-Matos, C. & Gonçalves, M.P. (2010). Agar extraction from integrated multitrophic aquacultured Gracilaria vermiculophylla: evaluation of a microwave-assisted process using response surface methodology. Bioresource Technology, 101: 3258–3267. doi: 10.1016/j.biortech.2009.12.061. Epub 2010 Jan 6.
[14] Freile-Pelegrín, Y. & Murano, E. (2005). Agars from three species of Gracilaria (Rhodophyta) from Yucatán Peninsula. Bioresource Technology, 96: 295–302.
[15] AOAC. (1990). Official methods of analysis, 15th ed. Association of Official Analytical Chemists, Washington, DC.
[16] Box, G.E.P. and Hunter, J.S. (1957). Multi-factor experimental designs for exploring response surfaces. Ann. Math. Statist, 28: 195–241.
[17] Khuri, A.I. and Mukhopadhyay, S. (2010). “Response Surface Methodology.” In E.J. Wegman, Y.H. Said, and D.W. Scott, (Eds).Wiley Interdisciplinary Reviews - Computational Statistics, Vol. 2(2) (pp. 128–149). Wiley, Hoboken, New Jersey,
[18] Bezerraa, M.A., Santelli, R.E., Oliveira, E.P., Villar, S.L., & Escaleira, L.A. (2008). Review: Response surface methodology (RSM) as a tool for optimization in analytical chemistry. Talanta, 76: 965–977.
[19] Arvizu-Higuera, D.L., Rodríguez-Montesinos, Y.E., Murillo-Álvarez, J.I., Muñoz-Ochoa, M., & Hernández-Carmona, G. (2008). Effect of alkali treatment time and extraction time on agar from Gracilaria vermiculophylla. Journal of Applied Phycology, 20: 515–519.
[20] Orduña-Rojas, J., García-Camacho, K.Y., Orozco-Meyer, P., Ríosmena-Rodríguez, R., Pacheco-Ruiz, I., Zertuche-González, J.A. & Meling-López, A.E. (2008). Agar properties of two species of Gracilariaceae from the Gulf of California, Mexico. Journal of Applied Phycology, 20: 169–175.
[21] Ahmad, R., Surif, M., Ramli, N., Yahya, N., Rahiman, M.A.N., & Babayeva, L. (2011). A preliminary study on the agar content and agar gel strength of Gracilaria manilensis using different agar extraction processes. World Applied Sciences Journal, 15 (2): 184–188.
[22] Rebello, J., Ohno, M., Ukeda, H. & Sawamura, M. (1997). Agar quality of commercial agarophytes from different geographical origins: 1. Physical and rheological properties. Journal of Applied Phycology, 8: 517–521.
[23] Marinho-Soriano, E., Bourret, E., Moreira, D., Casabianca, M.L. & Maury, L. (1999). Agar from the reproductive and vegetative stages of Gracilaria bursa-pastor. Bioresource Technology, 67: 1–5.
