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Risma Marisi Tambunan
UNIVERSITAS PANCASILA
Biochemistry, Genetics & Molecular Biology Health Professions Medicine & Pharmacology Public Health

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α-GLUCOSIDASE INHIBITORY ACTIVITY AND FORMULATION OF SOLID LIPID NANOPARTICLE CONTAINING ETHANOL 70% STANDARDIZED EXTRACT OF KUMIS KUCING LEAVES (Orthosiphon stamineus Benth.) Risma Marisi Tambunan; Winda Dwi Juliyanti
JURNAL ILMU KEFARMASIAN INDONESIA Vol 16 No 1 (2018): JIFI
Publisher : Fakultas Farmasi Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1419.621 KB) | DOI: 10.35814/jifi.v16i1.485

Abstract

Kumis kucing leaves (Orthosiphon stamineus Benth.) are one type of plants that is able to inhibit the activity of α-glucosidase enzyme. This study aims to formulate Solid Lipid Nanoparticle from ethanol 70% standardized extract of kumis kucing leaves and which give α-glucosidase enzyme inhibitory activity. The result of SLN characteristic for particle size of formula I, II and III shows the result of 51,60 nm; 12.81 nm; 11.87 nm and zeta potential of formula I, II and III show the results -27.67; -10,7; -15.0, respectively. The results of the α-glucosidase enzyme inhibitory activity of the standardized extract, SLN formula I, II and III respectively showed IC50 of 132.9 ppm; 130.3 ppm; 131.4 ppm; 132.2 ppm and Acarbose as comparison showed IC50 of 50.0 ppm. Data processing using t-test statistically at α = 0,05 showed that extract and SLN of formula I had significant difference, thus the best SLN formula was formula I with concentration of tween 80 and propylenglycol of 6% and 10%.
Uji Aktivitas Inhibisi Isolat Kuersitrin dari Benalu Masisin Dendrophthoe pentandra (L.) Miq. terhadap Sel Leukemia L1210 ERMIN KATRIN W.; RISMA MARISI TAMBUNAN; HENDIG WINARNO
JURNAL ILMU KEFARMASIAN INDONESIA Vol 9 No 1 (2011): JIFI
Publisher : Fakultas Farmasi Universitas Pancasila

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Abstract

Parasitic plant [Dendrophthoe pentandra (L.) Miq.] on the masisin [Rhodomyrtus tomentosa (Aiton) Hassk.] was traditionally used for cancer treatment in Central Kalimantan. Maceration of dried Dendrophthoe pentandra using ethanol followed by ethyl acetate produced ethanol and ethyl acetate extracts which exhibit inhibitory activity against leukemia L1210 cells with IC50 of 17.3 and 20.9 µg/mL, respectively. Fractionation of ethyl acetate extract by column chromatography yielded 7 fractions (F1~F7). Inhibitory activity test on fractions F1~F7 against leukemia L1210 cells showed inhibitory activity with IC50 0f 19.9, 19.0, 20.7, 16.0, 13.7, 12.5, and 17.4 µg/mL, respectively. During evaporation of F5 by rotary evaporator, a yellowish precipitate was observed and identified as quercitrin (quercetin 3-O-rhamnoside). Inhibitory activity test on quercitrin against leukemia L1210 cell showed that the crystal has an IC50 of 14.7 µg/mL. Separation of F7 by semipreparative HPLC reverse phase column yielded isolate A and B which exhibited inhibitory activity on leukemia L1210 cells with IC50 of 15.0 and 14.4 µg/mL, respectively. Subsequent solvent partition of ethanol extract into ethyl acetate-water and separation of ethyl acetatesoluble portion by column chromatography produced 7 fractions (F8~F14). Further separation of F14 by column chromatography yielded quercitrin and isolate C which has not been identified yet.
Uji Aktivitas Penghambatan Enzim α-Glukosidase serta Uji Mutu Ekstrak Etanol Batang Brotowali (Tinospora crispa (L.) Miers.) YESI DESMIATY; RISMA MARISI TAMBUNAN; KARTININGSIH KARTININGSIH; LOLA DYAH PITHALOKA
JURNAL ILMU KEFARMASIAN INDONESIA Vol 12 No 2 (2014): JIFI
Publisher : Fakultas Farmasi Universitas Pancasila

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Abstract

In attempt to develop Indonesian traditional medicine (Jamu) to become standardize herbal, it is need to examine the extract that can guarantee its efficacy, quality and safety. Brotowali stem (Tinospora crispa (L.) Miers.) known has antidiabetic effect and no toxic activity. In this research, the quality and α-glukosidase inhibitor activity of ethanolic extract of brotowali stem has been determined. In the quality test were determined specific parameters (identity, organoleptic, extractable matter), non specific parameters (loss on drying, water content, total ash content, solvent residue, heavy metal, and microbial contamination), quantification of markers content (total flavonoid content with spectrophotometric UV-Vis and assay of apigenin content with densitometric method). The research showed that the extract was fulfiled the requirement, total flavonoid content was 0.52% and apigenin content was 0.03635%. The result of α-glukosidase inhibitor activity test gave IC50 of 237.26 ppm.
ISOLASI DAN IDENTIFIKASI KAFEIN DALAM EKSTRAK AIR DAUN BENALU TEH, SCURRULA JUNGHUNII, LORANTHACEAE Risma Marisi Tambunan; Bustanussalam Bustanussalam; Partomuan Simanjuntak; Retno Murwani
JURNAL ILMU KEFARMASIAN INDONESIA Vol 1 No 2 (2003): JIFI
Publisher : Fakultas Farmasi Universitas Pancasila

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Abstract

A known compound caffeine from the water extract of parasitic tea plants, Scurrula junghunii (Loranthaceae) have been isolated and identified. Identification the compound based on spectra of ultraviolet, infra red, nuclear magnetic resonance ('H- & 13C-NMR) and mass spectra.
Co-Authors Bustanussalam Bustanussalam ERMIN KATRIN W. HENDIG WINARNO Kartiningsih Kartiningsih LOLA DYAH PITHALOKA Partomuan Simanjuntak Retno Murwani Winda Dwi Juliyanti Yesi Desmiaty, Yesi