Determintion of agar gel properties of Chilean Gracilaria grown in the field and laboratory at different light conditions

概要

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The agar from the field and culture products of Gracilaria chilensis in Chile, were extracted by the method of Jacquline et al. (1997) and were measured on agar yield, viscosity, gelling temparature, melting temparature gel strength and flexility. The agar yield of the materials kept in the dark condition was the maximum values of 29%, while the lowest agar yield of 17% was obtained from sterile plants. The highest gel strength of 919±37.5 g cm^<-2> was obtained from the cystcarpic plants, while the lowest gel strength of 444±103 g cm^<-2> was obtained from sterile plants. There were not significant differences in gel strength and flexibility et at. among the materials grown in the field from different propagations and reproductive stages. The agar yiled of the materials grown without light increased, while the gel strength decreased.
高知大学海洋生物教育研究センターの論文
1998-12-31