AKTIVITAS ANTIDIABETES SECARA IN VITRO EKSTRAK ETANOL DAUN DAN KULIT BATANG BINTANGUR (Calophyllum rigidum Miq.)

Eris Septiana, Partomuan Simanjuntak
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Abstract

ABSTRACT Diabetes mellitus is still a serious health problem both in the world and in Indonesia. The use of plants as a source of antidiabetic medicine is still needed. Bintangur plant, Calophyllum rigidum, contains active compounds that have the potential to act as anti-diabetic drugs but have not been used optimally. The purpose of this study was to determine the in vitro antidiabetic activity of the ethanol extract of Calophyllum rigidum stem bark and leaves. The antidiabetic method used was α-glucosidase enzyme inhibition. Phytochemical screening is based on color change reactions. The results obtained showed that the ethanol extract of stem bark and leaf had α-glucosidase enzyme inhibitory activity with IC50 values ​​of 63.75 and 65.86 µg/mL, respectively. Both extracts contain alkaloids, flavonoids, steroids/triterpenoids, saponins, and tannins, while quinones are only found in the stem bark extracts. The conclusion is that the ethanol extract of the stem bark and leaves of Calophyllum rigidum has active antidiabetic activity through inhibition of the α-glucosidase enzyme. Key words: antidiabetic, α-glucosidase, Calophyllum rigidum, phytochemical screening ABSTRAK Penyakit diabetes mellitus masih merupakan masalah kesehatan serius baik di dunia maupun di Indonesia. Pemanfaatan tanaman sebagai sumber bahan obat antidiabetes masih diperlukan. Tanaman bintangur, Calophyllum rigidum, mengandung senyawa aktif yang berpotensi sebagai obat antidiabetes namun belum dimanfaatkan secara optimal. Tujuan penelitian ini adalah untuk mengetahui aktivitas antidiabetes secara in vitro dari ekstrak etanol kulit batang dan daun Calophyllum rigidum. Metode antidiabetes yang digunakan adalah penghambatan enzim α-glukosidase. Penapisan fitokimia berdasarkan pada reaksi perubahan warna. Hasil yang didapatkan yaitu ekstrak etanol kulit batang dan daun memiliki aktivitas penghambatan enzim α-glukosidase dengan nilai IC50 masing-masing sebesar 63,75 dan 65,86 µg/mL. Kedua ekstrak mengandung golongan senyawa alkaloid, flavonoid, steroid/triterpenoid, saponin, dan tannin, sedangkan kuinon hanya ditemukan pada ekstrak kulit batang. Kesimpulannya ialah bahwa ekstrak etanol kulit batang dan daun Calophyllum rigidum memiliki aktivitas antidiabetes yang aktif melalui penghambatan enzim α-glukosidasi            Kata Kunci : antidiabetes, α-glukosidase, Calophyllum rigidum, penapisan fitokimia
抗糖尿病活性在体外乙醇提取物和野茎皮中(Calophyllum rigidum Miq)。
糖尿病在世界和印度尼西亚都是一个严重的健康问题。使用植物作为抗糖尿病药物的来源仍然是必要的。植物Calophyllum rigidum含有抗糖尿病药物的活性化合物,但尚未得到充分利用。本研究的目的是测定花椒茎皮和叶乙醇提取物的体外抗糖尿病活性。降糖方法为α-葡萄糖苷酶抑制法。植物化学筛选是基于颜色变化反应。结果表明,茎皮乙醇提取物和叶乙醇提取物具有α-葡萄糖苷酶抑制活性,IC50值分别为63.75和65.86µg/mL。两种提取物都含有生物碱、类黄酮、类固醇/三萜、皂苷和单宁,而醌只存在于茎皮提取物中。综上所述,胼胝体茎皮和叶的乙醇提取物通过抑制α-葡萄糖苷酶具有较强的抗糖尿病活性。关键词:抗糖尿病,α-葡萄糖苷酶,甘油桃,植物化学筛选Pemanfaatan tanaman sebagai sumber bahan obat抗糖尿病。甘薯,甘薯,甘薯,甘薯,甘薯,甘薯,甘薯,甘薯,甘薯,甘薯,甘薯,甘薯,甘薯,甘薯,甘薯,甘薯,甘薯,甘薯,甘薯。土鹃、白藜芦醇、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹、芦竹。Metode抗糖尿病阳地古那坎adalah penghambatan酶α-葡萄糖苷酶。Penapisan fitokimia berdasarkan padaksi perubahan warna。Hasil yang didapatkan yitu ekstrak乙醇kulit batang dandanan memiliki aktivitas penghambatan酶α-葡糖苷酶IC50 - masmassebesar 63、75、65、86µg/mL。龙眼生物碱、黄酮类化合物、甾体/三萜、皂苷、丹单宁、龙眼生物碱、龙眼生物碱。枸杞,枸杞,芦笋,芦笋,芦笋,芦笋,芦笋,芦笋,芦笋,芦笋,芦笋,芦笋,芦笋,芦笋,芦笋
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