Content of Carrageenan, Chlorophyll a and Carotenoid of Kappaphycus alvarezii Cultivated in Different Seawater Depth Laikang Village, District of Mangarabombang, Takalar Regency

Akmal Iskandar, Rajuddin Syam, Dody Dh Trijuno


The objective of the study is to analyze the content of carrageenan, chlorophyll a and carotenoid of seaweed K. alvarezii cultivated in different seawater depth. The research consists of 5 treatments of different sea level, which are 20 cm; 100 cm; 200 cm; 300 cm and 400 cm, each treatment consists of three re trials, then there will be 15 trial test. The method used is by randomly hanging seaweed in vertical order. Variance analysis is performed at the rate of 95%. The findings show significant difference of depths for cultivation towards carrageenan content and insignificant difference towards chlorophyll a and carotene content of seaweed. The highest carrageenan content is in the depth of 20 cm (56,31%) and the lowest is in the 400 cm (17,10%). Chlorophyll a and carotenoid content is relatively high in the depth of 100 cm (respectively 0,013 mg/g-1 and 0,299 mg/g-1) and the lowest is in the depth of 20 cm (respectively 0,006 mg/g-1 dan 0,163 mg/g-1).

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