Abstract
Padina sp. seaweed is a species of brown seaweed that grows naturally in Indonesian waters and it is not been optimally utilized. Padina sp. contains bioactive natural carotenoids that can apply as additive ingredients in functional foods and cosmetics field. This study aimed to determine the total carotenoid content in Padina sp. seaweed-infused oil. Seaweed oily extract or Padina sp. seaweed-infused oil was obtained from the filtered maceration of Padina sp. powder using virgin coconut oil as a solvent. Furthermore, the total carotenoid content in Padina sp. seaweed-infused oil, Padina sp. powder and virgin coconut oil as solvent for maceration of Padina sp. were analyzed using the spectrophotometry method. Padina sp. powder and virgin coconut oil without Padina sp. (as control) contained total carotenoid content 2.42±0.32 µg/g and 0.71±0.66 µg/g respectively. Padina sp. seaweed-infused oil had total carotenoid content by maceration process with virgin coconut oil as solvent at a temperature of 65 °C for 1 hour, 3 hours, and 5 hours were 2.73±0.36, 2.18±1.01, and 1.74±1.24 µg/g respectively. Therefore, the total carotenoid content increased in Padina sp. seaweed-infused oil. It could be an opportunity for functional food products and cosmetic ingredients.
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