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      Analisis Stabilitas Genotipe Temu Ireng dari Tiga Lokasi Berdasarkan Total Flavonoid, Saponin, dan Aktivitas Antioksidan

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      Date
      2022
      Author
      Salsabilla, Fakhira
      Seno, Djarot Sasongko Hami
      Nurcholis, Waras
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      Abstract
      Temu ireng memiliki potensi yang baik untuk diaplikasikan secara luas sebagai obat tradisional, namun pemanfaatannya belum optimal karena tingkat produktivitasnya yang masih rendah. Tujuan penelitian yaitu menentukan genotipe tanaman temu ireng yang stabil dan memiliki aktivitas yang baik melalui pengaruh interaksi genotipe x lingkungan berdasarkan kandungan flavonoid, saponin, serta aktivitas antioksidan. Penelitian menggunakan 20 genotipe temu ireng sebagai sampel serta 2 varietas temu lawak kontrol yang ditanam pada 3 lokasi berbeda (Bogor, Cianjur dan Sukabumi). Pengujian total flavonoid dilakukan menggunakan metode AlCl3, sementara pengujian total saponin dilakukan menggunakan metode vanilin-asam sulfat, dan pengujian aktivitas antioksidan dilakukan menggunakan metode CUPRAC. Hasil penelitian menunjukkan adanya interaksi nyata antara faktor genotipe dan lingkungan pada taraf probabilitas 0%. Kandungan total flavonoid seluruh sampel pada ketiga lokasi tidak berbeda secara signifikan yang berkisar pada 0.02 hingga 0.04 mg QUE/g berat basah dan seluruh sampel merupakan genotipe stabil. Genotipe G1 dan G6 menghasilkan aktivitas antioksidan tertinggi secara signifikan pada ketiga lokasi sebesar 11.501 dan 10.201 mol TE/g berat basah, sementara seluruh sampel kecuali kedua genotipe tersebut merupakan genotipe stabil. Genotipe G5 mengandung total saponin tertinggi secara signifikan pada ketiga lokasi sebesar 146.369 mg DE/g berat basah, sementara genotipe G1, G2, G15, dan G16 merupakan genotipe stabil.
       
      Temu ireng has good potential to be widely applied as traditional medicine, but its’ utilization is not yet optimal due to its’ low productivity. The purpose of this study is to determine stable genotypes of temu ireng which had good activity through genotype and environmental interactions based on the content of flavonoids, saponins, and antioxidant activity. This study uses 20 genotypes of temu ireng as samples and 2 varieties of temu lawak as controls which were planted in 3 different locations (Bogor, Cianjur and Sukabumi). Total flavonoid testing was carried out using the AlCl3 method, while total saponin testing was carried out using the vanillin-sulfuric acid method and the antioxidant activity testing was carried out using the CUPRAC method. The results showed that there was a significant interaction between genotype and environmental factors at probability level of 0%. The total flavonoid content of all samples at the three locations did not differ significantly between 0.02 to 0.04 mg QUE/g fw, and all samples were stable genotypes. Genotypes G1 and G6 produced the highest antioxidant activity significantly at the three locations at 11.501 and 10.201 mol TE/g fw, while all samples except the two genotypes were stable genotypes. Genotype G5 had the highest total saponin content significantly at the three locations at 146.369 mg DE/g fw, while genotypes G1, G2, G15, and G16 were stable genotypes.
       
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      http://repository.ipb.ac.id/handle/123456789/115481
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      • UT - Biochemistry [1466]

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      Indonesia DSpace Group 
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