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      Aktivitas Antioksidan Kombucha Temulawak (Curcuma Xanthorriza Roxb.) sebagai Minuman Fungsional

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      Date
      2025
      Author
      Salsabila, Najwa Hafidzah
      Syaefudin
      Muttaqin, Mafrikhul
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      Abstract
      Temulawak (Curcuma xanthorrhiza Roxb.), tanaman obat yang kaya akan potensi farmakologis. Fermentasi temulawak oleh Symbiotic Culture of Yeast and Bacteria (SCOBY) menjadi kombucha dinilai mampu meningkatkan total senyawa fenolik dan aktivitas antioksidan dari temulawak. Tujuan penelitian ini adalah mengevaluasi kadar total senyawa fenolik dan aktivitas serta kapasitas antioksidan dari kombucha dan ekstrak temulawak serta menganalisis potensi fermentasi temulawak oleh kultur SCOBY dalam meningkatkan kadar total fenolik dan aktivitas serta kapasitas antioksidan secara in vitro. Hasil menunjukkan bahwa fermentasi meningkatkan kadar senyawa fenolik dengan persentase peningkatan sebesar 151,9%. Peningkatan kadar fenolik berbading lurus dengan aktivitas antioksidan pada metode DPPH dan ABTS (penurunan IC50 35,18% dan 175,15%) serta, kapasitas antioksidan pada metode FRAP dan CUPRAC (peningkatan sebesar 9,7% dan 171,4% pada konsentrasi maksimal). Hasil ini menujukkan bahwa fermentasi mampu meningkatkan aktivitas dan kapasitas antioksidan temulawak, meskipun efektivitasnya masih tergolong moderat.
       
      Temulawak (Curcuma xanthorrhiza Roxb.), a medicinal plant rich in pharmacological potential. Fermentation of temulawak by Symbiotic Culture of Yeast and Bacteria (SCOBY) into kombucha is considered capable of increasing the total phenolic compounds and antioxidant activity of temulawak. The purpose of this study was to evaluate the levels of total phenolic compounds and antioxidant activity and capacity of kombucha and temulawak extract and analyze the potential of temulawak fermentation by SCOBY culture in increasing total phenolic levels and antioxidant activity and capacity in vitro. The results showed that fermentation increased the levels of phenolic compounds with a percentage increase of 151.9%. The increase in phenolic content is directly proportional to the antioxidant activity in DPPH and ABTS methods (IC50 decrease of 35.18% and 175.15%) as well as, antioxidant capacity in FRAP and CUPRAC methods (an increase of 9.7% and 171.4% at maximum concentration). These results indicate that fermentation is able to increase the antioxidant activity and capacity of temulawak, although the effectiveness is still moderate.
       
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      http://repository.ipb.ac.id/handle/123456789/164379
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      • UT - Biochemistry [1463]

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