Macronutrients content of Red Seaweed Kappaphycus alvarezii and Kappaphycus striatum

Farah Diyana Ariffin, Aminah Abdullah, Shahrul Hisham Zainal Ariffin, Chan Kok Meng


Seaweed contains various nutrients that has the potential to be a source of nutritious food, but only a few studies done on the red seaweeds in Malaysia. Therefore, this study was conducted to determine the macronutrients content, amino acid profile and fatty acid component in Kappaphycus alvarezii and Kappaphycus striatum. The study found that the range of moisture, fat, ash, protein, fiber and carbohydrates content for both red seaweeds were 6.9% - 7.3%, 0.5% - 2.6%, 29.4% - 30.9%, 2.5% - 5.7% , 5.3% - 5.5% and 50.1% - 53.3% respectively. A total of 16 amino acids were identified in which the essential amino acid for K. alvarezii and K. striatum were 41.11% and 36.15% respectively. A total of 34 fatty acids were identified in which the content of saturated fatty acids (SFA) was the highest (42.7% - 72.8%), followed by mono-unsaturated fatty acid (MUFA) (13.8% - 36.2%) and polyunsaturated fatty acids (PUFAs) was the lowest (13.5% - 21.2%). In conclusion, this study suggest that K. alvarezii and K. striatum are potentially be used as raw materials or food ingredients to improve the nutritional value of the human diet.




Kappaphycus alvarezii; Kappaphycus striatum; proximate analysis; amino acids; fatty acids

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