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Penetapan Kadar Flavonoid Total dan Uji Daya Antioksidan Ekstrak Etanol Daun Ungu (Graptophyllum Pictum L.) Griff ) Haeria Haeria
Jurnal Farmasi UIN Alauddin Makassar Vol 1 No 1 (2013): Jurnal Farmasi
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jurfar.v1i1.2088

Abstract

A study concerning determination of total flavanoid content, and antioxidant activity of ethanolic extract daun ungu (Graptophyllum pictum (L.) Griff). The purpose of this study was to determine the levels of total flavonoids and reduction power test of ethanolic extract daun ungu (Graptophyllum pictum (L.) Griff). Extraction of chemical constituents from the daun ungu (Graptophyllumpictum (L.) Griff) by maceration method using ethanol 70%. To determine the levels of flavonoids and reduction power of the extract samples, then analyzed using a spectrophotometer UV-Vis compound. The result showed levels of total flavonoids purple leaf (Graptophyllum pictum (L.) Griff) from a concentration of 2%, 3%, 4%, 5% and amounted to 6,293 mg/100 g, 7,856 mg/100 g, 8,335 mg/100 g and 8,852 g. In the determination of reducing power of ethanolic extract daun ungu (Graptophyllum pictum (L.) Griff) had a reduced ability at 2%, 3%, 4%, 5% concentration and amounted to 5,65 mg/100 g, 14,73 mg/100 g, 17,70 mg/100 g and 21,60 mg/100 g. Reduction power ethanol extract of purple leaf was increase with increasing concentration, the higher concentration have more potent extract reduction capability.
PENENTUAN POTENSI TABIR SURYA EKSTRAK KLIKA ANAK DARA (Croton oblongus Burm F.) Haeria Haeria; Surya Ningsi; Israyani Israyani
Jurnal Farmasi UIN Alauddin Makassar Vol 2 No 1 (2014): Jurnal Farmasi
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jurfar.v2i1.2148

Abstract

A study concerning the determination of the potential sunscreen extract cortex anak dara (Croton oblongus Burm f.) UV-Vis spectrophotometry. This study aims to determine the SPF value, percent transmission erythema (% Te), and the percent transmission of pigmentation (% Tp) of the extract cortex anak dara (Croton oblongus Burm f.) with use spectrophotometer UV-Vis. Determination of potential sunscreen SPF value is determined based on the calculation of %Te and %Tp. The measurement results indicate that the SPF value of the extract with a concentration of 300 ppm = 2,991. Value of %Te = 22, 655%, and the value of %Tp = 26.837%. SPF value can be determined extract cortex anak dara (Croton oblongus Burm f.) at a concentration of 300 ppm has a minimum level of protection and sunscreen for the result value %Te and %Tp extract cortex anak dara (Croton oblongus Burm f.) is said to not be able to hold the skin to prevent redness / erythema, but can withstand pigmentation or darkening of the skin.
Co-Authors Israyani Israyani Surya Ningsi