Proximate and mineral compositions of the green seaweeds Caulerpa lentilifera and Caulerpa racemosa from South Sulawesi Coast, Indonesia

Abstract

Abstract This study aimed to evaluate the nutritional and mineral composition of the green seaweeds Caulerpa lentilifera and Caulerpa racemosa collecting from Takalar Water, South Sulawesi, Indonesia. Test of proximate analysis of seaweeds observed was ash, protein, lipid, fiber, and carbohydrate. While the test mineral compositions were phosphorus, calcium, potassium, sodium, magnesium, cuprum, manganese, zinc, ferrum, iodine. The results of the analysis showed that the proximate composition, C. lentilifera had the highest ash content (63.83%) while C. racemosa had the highest carbohydrate content of 38.18%. The results of the mineral analysis showed that C. lentillifera and C. racemosa contained macro and microminerals. The highest macromineral content is Na (10.040% and 16.280%) and followed by K (3.958% and 2.195%), Mg (59.201 ppm and 519.201 ppm), Ca (0.521% and 0.466%) and P (0.270% and 0.335%). The highest microminerals in the two types of seaweed from the largest are Fe (756.1805 and 386.1202 ppm), Mn (59.201 ppm and 519.062 ppm), Zn (10.079 ppm and 3.366 ppm), and Cu (5.496 ppm only in C. racemosa ). This study revealed that C. lentilifera and C. racemosa contain constituents with proximate and mineral composition as potential sources of plant foods and good sources of mineral supplements.

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