Determination of Total Phenolic Content and Sunscreen Activity of 96% Ethanol Extract of Sea Grape (Caulerpa racemosa) Using the UAE Method (Ultrasound-Assisted Extraction)
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Abstract
Sea grapes, with the Latin name Caulerpa racemosa, are a marine plant in the Caulerpaceae family. Sea grapes are known to contain many active compounds, one of which is phenolics, which also play a role in sunscreen activity. The purpose of this study was to determine the total phenolic content and sunscreen activity of 96% ethanol extract of fresh sea grapes (Caulerpa racemosa) using the UAE (Ultrasound Assisted Extraction) method. This research is an experimental study, namely the determination of total phenolic content and sunscreen activity of 96% ethanol extract of sea grapes (Caulerpa racemosa) using the UAE (Ultrasound Assisted Extraction) extraction method with 96% ethanol solvent and phytochemical screening tests were carried out. Secondary metabolites found in fresh sea grapes positively contain phenolic compounds. The results of the total phenolic content contained in sea grape ethyl acetate extract using the Ultrasound Assisted Extraction (UAE) method showed an average total phenolic content of 1.30%. The Sun Protection Factor (SPF) value for the 96% ethanol extract of sea grapes (Caulerpa racemosa) is 4.43, which is included in the minimal protection category
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