ANALISIS UJI INFUSA BUAH PETAI CINA, DAUN KEJI BELING DAN DAUN TEMPUYUNG SEBAGAI INHIBITOR ENZIM α-AMILASE DAN α-GLUKOSIDASE

Authors

  • Silvera Devi Sy Chemistry Department Faculty of Mathematic and Natural Sciences Universitas Riau, Indonesia
  • Musyima Rahmah Nst Sekolah Tinggi Ilmu Farmasi Riau, Indonesia
  • Riryn Novianty Chemistry Department Faculty of Mathematics and Natural Sciences Universitas Riau, Indonesia

DOI:

https://doi.org/10.25077/jrk.v12i2.314

Keywords:

α-amilase, α-glukosidase, keji beling, petai cina, tempuyung

Abstract

Enzim α-amilase dan α-glukosidase dalam proses pencernaan akan  menghidrolisis amilum menjadi glukosa dan apabila glukosa darah melebihi batas normal (>140 mg/dL), maka seseorang didiagnosa menderita diabetes melitus. Pengobatan diabetes melitus khususnya tipe 2 biasanya diatasi menggunakan obat akarbose yang akan menginhibisi aktivitas α-amilase dan α-glukosidase. Pada penelitian ini akan dianalisis kemampuan inhibisi infusa dari sampel segar dan kering buah petai cina (Leucaena leucocephala L de Wit), daun keji beling (Strobilanthes crispus BI) dan daun tempuyung (Sonchus arvensis L.) terhadap ke 2 enzim ini. % inhibisi infusa terhadap aktivitas enzim α-amilase ditentukan menggunakan metode asam 3,5-dinitrosalisilat (DNS) sedangkan untuk α-glukosidase menggunakan substrat p-nitrofenil-α-D-glukopiranosida (p-NPG). Absorbansi hasil reaksi diukur menggunakan microplate reader pada panjang gelombang 530 nm untuk α-amilase dan 410 nm untuk α-glukosidase. Hasil penelitian menunjukkan bahwa % inhibisi infusa sampel kering lebih baik dibandingkan sampel segar  dalam menghambat aktivitas enzim α-amilase dengan persentase sebagai berikut: infusa buah petai cina kering 92,54+1,11%, infusa daun keji beling kering 99,79+6,92% dan infusa daun tempuyung kering 87,63+3,95%, nilai ini tidak berbeda nyata dengan akarbose 93,89+ 0,02%. Sedangkan % inhibisi terhadap aktivitas enzim α-glukosidase dari semua sampel memiliki perbedaan yang nyata dengan akarbose (P<0,05) dengan nilai inhibisi 97,99+ 0,19%. Hasil ini menunjukkan bahwa ketiga tanaman tersebut berpotensi sebagai antidiabetes terutama dalam menginhibisi aktivitas enzim α-amilase.

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Published

2019-03-30

How to Cite

Sy, S. D., Nst, M. R., & Novianty, R. (2019). ANALISIS UJI INFUSA BUAH PETAI CINA, DAUN KEJI BELING DAN DAUN TEMPUYUNG SEBAGAI INHIBITOR ENZIM α-AMILASE DAN α-GLUKOSIDASE. Jurnal Riset Kimia, 10(1), 44–50. https://doi.org/10.25077/jrk.v12i2.314

Issue

Vol. 10 No. 1 (2019): March

Section

Articles

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