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Journal : JURNAL FARMASI DAN ILMU KEFARMASIAN INDONESIA

Phytochemical Screening and Anti-hyperglycemic Effect Test of Ethanol Extract of Waru Leaf (Hibiscus tiliaceus) on Glucose-loaded Mice Sofia, Vivi; Firdaus, Tya Novita; Saputri, Muharni
JURNAL FARMASI DAN ILMU KEFARMASIAN INDONESIA Vol. 11 No. 3 (2024): JURNAL FARMASI DAN ILMU KEFARMASIAN INDONESIA
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jfiki.v11i32024.345-355

Abstract

Background: The treatment of diabetes mellitus relies on synthetic drugs with various side effects. Therefore, it is necessary to explore alternative treatments with herbal therapies, such as Hibiscus tiliaceus leaves. Objectives: The aim of this study was to determine the anti-hyperglycemic effect of an ethanol extract from Hibiscus tiliaceus leaves in glucose-loaded mice. Methods: The initial stage of dried leaf characterization was to ensure the identity, quality, purity, and safety to be used, and then extracted using the maceration method with 70% ethanol solvent. The next step was phytochemical screening to identify secondary metabolite content. The anti-hyperglycemic effect was evaluated using the oral glucose tolerance test (OGTT) on 25 male mice divided into five treatment groups. The negative control group was given Na CMC 0.5% w/v Na CMC, and the positive control group was administered glibenclamide. The ethanol extract of Hibiscus tiliaceus leaves was administered at doses of 200, 400, and 800 mg/kg. Approximately 200 µL of blood was collected and analyzed for glucose levels. The data were statistically analyzed using one-way analysis of variance (ANOVA) with SPSS ver. 25 program. Results: Hibiscus tiliaceus leaves contain alkaloids, flavonoids, saponins, and tannins. The highest decrease in blood glucose levels was observed in the ethanol extract group at a dose of 400 mg/kg BW, with a decrease of 78.52%, followed by a dose of 200 mg/kg BW of 76.63%, a dose group of 800 mg/kg BW of 73.48%, and a positive control group (glibenclamide) of 34.68%, which was significantly different from the negative control group (Na CMC 0.5%) (p < 0.05). Conclusion: The ethanol extract of H. tiliaceus has anti-hyperglycemic effects.
Antihypertensive Activity of Black Garlic Extract in Rats and Its Phytochemical Analysis using GC-MS Estiningsih, Daru; Saiful Bachri, Moch; Hayu Nurani, Laela; Ma’ruf, Muhammad; Yuliani, Sapto; Sofia, Vivi; Prasasti, Dian
JURNAL FARMASI DAN ILMU KEFARMASIAN INDONESIA Vol. 12 No. 1 (2025): JURNAL FARMASI DAN ILMU KEFARMASIAN INDONESIA
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jfiki.v12i12025.67-74

Abstract

Background: Hypertension is defined as a medical condition where blood pressure rises above 140/90 mmHg. Black garlic is recognized as a natural remedy that may help lower high blood pressure, primarily due to its abundant antioxidant properties, which are believed to inhibit the function of the angiotensin-converting enzyme (ACE) that is essential for regulating blood pressure. Objective: This study aimed to identify the chemical composition of black garlic using GC-MS and assess its antihypertensive effects in rat models. Methods: This study characterized the chemical composition of black garlic using GC-MS (Agilent 7890A) and evaluated its antihypertensive effects in rats. Hypertension was induced by oral administration of NaCl at a dose of 3.75 g/20 g body weight (BW) from day 0 to day 14. Blood pressure measurements were taken on days 0, 14, and 21. Black garlic extract was administered at three dose levels 4.2 mg/20 g BW, 8.4 mg/20 g BW, and 12.4 mg/20 g BW to evaluate dose dependent antihypertensive responses. Statistical analysis included the Kolmogorov-Smirnov test for normality, homogeneity testing, One-Way ANOVA Results: The GC-MS analysis identified 9-octadecenoic acid as the dominant compound in black garlic, accounting for 34.53% of its total composition. The antihypertensive activity test showed that administering black garlic at a dose of 12.4 mg/20 g BW significantly lowered systolic, diastolic, and mean arterial blood pressure while enhancing nitric oxide levels in hypertensive rats. Conclusion: Black garlic has the potential as an effective herbal treatment to lower blood pressure.