Katuk leaf (Sauropus androgynus (L.) Merr.) is believed to have medicinal properties, one of which is as an antioxidant. Its efficacy as an antioxidant cannot be separated from the phenolic and flavonoid compounds contained in katuk leaves. This study aims to determine the total phenolic and flavonoid levels as well as the antioxidant activity of graded extracts, namely n-hexane, ethyl acetate, and 70% ethanol extract of katuk leaves. The results showed that the total phenolic content and total flavonoid content of each extract were significantly different. Antioxidant activity by the DPPH method was calculated at IC50 using quercetin as a comparison. The highest antioxidant potential was shown in the ethanol extract. Each extract has the potential as a sunscreen and ethanol extract provides the highest SPF value.
Corporate Social Responsibility (CSR) is a strategy of alignments between the company, the community, and the environment. The disclosure of CSR activities through the Sustainability Report has been found to influence on the financial performance and value of the company itself. However, some previous researches showed inconsistent results. Asia Sustainability Reporting Rating (ASRRAT) is a form of appreciation for companies that have been implementing and reporting on their CSR activities granted by National Center for Sustainability Reporting (NCSR). Descriptive analysis and Structural Equation Modelling Partial Least Square (SEM PLS) used to analyze the hypothesis. . The purpose of this study is to analyze the correlation of sustainability report with financial performance and value performance of a company. This study shows that the sustainability report has a positive and significant impact on financial performance but has no significant effect on corporate value. Corporate value was positively and significantly affected by financial performance
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