Analisis Efek Mitragynine Terhadap Metabolisme Glukosa melalui Uji Toleransi Glukosa (OGTT) dan Uji Toleransi Insulin (ITT) pada Model Tikus Diabetes

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Evi Sylvia Awwalia
RA. Hani Faradis
Devyana Dyah Wulandari
Hotimah Masdan Salim

Abstrak

Mitragynine adalah alkaloid utama yang terdapat dalam Mitragyna speciosa (kratom) dan dikenal memiliki berbagai aktivitas biologis, termasuk potensi terhadap metabolisme glukosa. Namun, bukti ilmiah mengenai perannya dalam toleransi glukosa dan sensitivitas insulin masih terbatas. Penelitian ini bertujuan untuk mengevaluasi efek ekstrak metanol Mitragyna speciosa yang mengandung mitragynine terhadap metabolisme glukosa melalui uji Oral Glucose Tolerance Test (OGTT) dan Insulin Tolerance Test (ITT) pada hewan coba. Hewan uji dibagi menjadi beberapa kelompok, yaitu kontrol dan perlakuan dengan pemberian ekstrak metanol M. speciosa dosis 15 mg/kg berat badan (BB)  dan 30 mg/kgBB. Parameter yang diamati meliputi kadar glukosa darah pada berbagai titik waktu setelah pemberian glukosa (OGTT) serta respon terhadap pemberian insulin eksogen (ITT). Pemberian ekstrak mitragynine menunjukkan efek penurunan kadar glukosa darah yang signifikan dibanding kelompok kontrol pada uji OGTT, terutama pada dosis 30 mg/kgBB. Selain itu, pada uji ITT terlihat adanya peningkatan sensitivitas insulin dengan penurunan glukosa darah yang lebih cepat pada kelompok perlakuan. Efek ini bersifat dosis-respons, di mana dosis lebih tinggi memberikan hasil yang lebih optimal. Ekstrak metanol M. speciosa yang mengandung mitragynine berpotensi meningkatkan metabolisme glukosa dengan memperbaiki toleransi glukosa serta meningkatkan sensitivitas insulin. Temuan ini membuka peluang pengembangan mitragynine sebagai kandidat agen adjuvan untuk pengelolaan gangguan metabolisme glukosa, meskipun penelitian lebih lanjut mengenai mekanisme molekuler dan keamanan jangka panjang masih diperlukan

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Awwalia, E. S., Faradis, R. H., Wulandari, D. D., & Salim, H. M. (2026). Analisis Efek Mitragynine Terhadap Metabolisme Glukosa melalui Uji Toleransi Glukosa (OGTT) dan Uji Toleransi Insulin (ITT) pada Model Tikus Diabetes. Prominentia Medical Journal, 7(1), 13–18. https://doi.org/10.37715/pmj.v7i1.6054
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