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| PILOT PRODUCTION OF AGAR FROM HAINAN Gracilaria |
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| Alkali treatment method is a key factor in the production of Gracilaria agar. The effect of different alkali concentrations on Gracilaria collected from different locations in Hainan is Compared in this paper. The yield and gel strength of agar were higher when Gracilaria collected from Dongjiao was treated with 35°Be NaOH. Gracilaria (thick) collected from Wanning, Haikou and Qinglan were treated with 15°B6 NaOH;Gracilaria (thin) collected from Wanning, Chengmai and Puqian were treated with 10°B6 NaOH; and Gracilaria (thick) collected from Chengmai was treated with 5°Be NaOH. Sodium hypochloride was the best one among four bleaching agent tested. Using above results, the productions of agar on the industrial scale were carried out and: better economic benefit was obtained. |
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