Douglas N. Pareta
Department of Pharmacy, Faculty of Mathematics and Natural Sciences, Christian University of Indonesia in Tomohon

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Anti-Inflammatory Activity Test of Mangrove Root (Sonneratia alba) Ethanol Extract Gel Preparation in Carragenan-Induced White Rats (Rattus norvegicus) Alfared S. Simanjuntak; Jeane Mongi; Wilmar Maarisit; Yessie K. Lengkey; Christel N. Sambou; Douglas N. Pareta
Biofarmasetikal Tropis (The Tropical Journal of Biopharmaceutical) Vol. 8 No. 1 (2025): April 2025
Publisher : FMIPA UKIT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55724/jbiofartrop.v8i1.493

Abstract

Nature provides various compounds that can provide anti-inflammatory activity, one of which is the compound contained in mangrove roots (Sonneratia alba). In these plants, especially in the roots, there are secondary metabolite compounds such as alkaloids, flavonoids, tannins, triterpenoids and from various reported research results, flavonoids have anti-inflammatory properties. The medicinal preparation that the researchers want to make is a gel preparation that is used for topical treatment therapy. The research was carried out with 15 rats into 5 test groups. Positive control group: given Diclofenac Sodium gel (Voltadex) 20 g (1%), negative control group: given gel without ethanol extract, 2.5% concentration group: given 2.5% ethanol extract gel, 5% concentration group: given 5% ethanol extract gel, 10% concentration group: 10% ethanol extract gel was given. The data was analyzed descriptively and presented in the form of tables and graphs. The research results showed that the Sonneratia alba ethanol extract gel preparation had anti-inflammatory activity. The research results show that the ethanol extract of Sonneratia alba mangrove roots can be used as a gel preparation and in in vivo testing the gel preparation of Sonneratia alba mangrove root ethanol extract has anti-inflammatory activity. The control group of Sonneratia alba mangrove root ethanol extract gel preparations of concentrations of 2.5%, 5% and 10% had a swelling inhibition percentage, which means that Sonneratia alba mangrove root ethanol extract gel preparations of 2.5%, 5% and 10% concentration had anti-inflammatory activity.
Inhibitory Test of Scleria sumatrensis Stem Extract against Propionibacterium acnes Bacteria in Vitro Sonny D. Untu; Douglas N. Pareta; Selvana S. Tulandi; Jabes W. Kanter; Andri Natanel
Biofarmasetikal Tropis (The Tropical Journal of Biopharmaceutical) Vol. 8 No. 1 (2025): April 2025
Publisher : FMIPA UKIT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55724/jbiofartrop.v8i1.505

Abstract

This study aims to test the antibacterial activity of Scleria sumatrensis extract against Propionibacterium acnes, a bacteria that causes acne. Extraction was carried out using the maceration method using 96% ethanol, and the antibacterial activity test was carried out using the diffusion method using a concentration of 100–500 ?g/disc. The results showed that the extract provided moderate antibacterial activity at a concentration of 100 ?g/disc and increased to strong at a concentration of 200–500 ?g/disc. S. sumatrensis extract contains secondary metabolite compounds such as phenolics, flavonoids, alkaloids, tannins, steroids, and terpenoids that play a role in inhibiting the growth of P. acnes through various mechanisms, including cell membrane damage, inhibition of protein synthesis, and disruption of bacterial metabolism. Based on the results of the study, S. sumatrensis extract has the potential as a natural antibacterial alternative for acne treatment without significant side effects or the risk of antibiotic resistance.
Antibacterial Activity Test of Scleria sumatrensis Leaf Extract against Staphylococcus aureus in Vitro Douglas N. Pareta; Reky R. Palandi; Selvana S. Tulandi; Juliani R. Turang; Alter Y. Runtu
Biofarmasetikal Tropis (The Tropical Journal of Biopharmaceutical) Vol. 8 No. 1 (2025): April 2025
Publisher : FMIPA UKIT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55724/jbiofartrop.v8i1.506

Abstract

Staphylococcus aureus bacteria is one of the important pathogens that can cause various types of infections, ranging from mild ones such as folliculitis and impetigo to life-threatening conditions such as nosocomial pneumonia, osteomyelitis, endocarditis, sepsis, and toxic shock syndrome. Due to its ability to develop resistance to antibiotics, new alternative treatments are needed, one of which is from natural ingredients. In this study, the antibacterial activity of Scleria sumatrensis extract was tested against Staphylococcus aureus with a concentration variation of 100 - 500 µg / disc. The results showed that at a concentration of 100 ?g / disc, the extract provided antibacterial activity in the moderate category, while at a concentration of 200 to 500 ?g / disc, the activity produced was included in the strong category. These findings indicate that Scleria sumatrensis extract has the potential as a natural antibacterial agent against Staphylococcus aureus, so it is worthy of further development as an alternative therapy for infections caused by S. aureus bacteria.
Antibacterial Activity Of Green Sirih Leaves (Piper betle Linn) Against Propionibacterium Acnes Douglas N. Pareta; Rainhard R. M. Tumiwuda; Silvana L. Tumbel; Wilmar Maarisit; Yessie K. Lengkey; Ferdy A. Karauwan; Mitra W. Timburas
Biofarmasetikal Tropis (The Tropical Journal of Biopharmaceutical) Vol. 8 No. 2 (2025): OKTOBER 2025
Publisher : FMIPA UKIT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55724/jbiofartrop.v8i2.522

Abstract

Betel is one of the medicinal plants often found around us. Because of its properties as an antiseptic and wound medicine, this plant can be cultivated. This research aimed to determine the antibacterial activity of green betel leaf essential oil against Propionibacterium acnes. This laboratory experimental research used a completely randomized design with three repetitions in five concentration treatments, one positive control and one negative control for Propionibacterium acnes bacteria. The test method used was the agar diffusion method. Data was collected by observing and measuring the inhibition zone on each Petri dish, which was then tabulated. The data obtained were analyzed descriptively. At a concentration of 10µl, green betel leaf essential oil can be an antibacterial agent against Propionibacterium acnes, according to the results of measuring the diameter of the inhibition zone produced.
Formulation And Evaluation Of Lip Balm Preparation From Watermelon Seed Extract (Citrullus lanatus) As Lip Moisturizer Alter Y. Runtu; Soniya Tumuju; Douglas N. Pareta; Andry Natanel; Anggelina A. Pangalila; Adolfina Sumagando; Marshella M. Mokoagouw
Biofarmasetikal Tropis (The Tropical Journal of Biopharmaceutical) Vol. 8 No. 2 (2025): OKTOBER 2025
Publisher : FMIPA UKIT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55724/jbiofartrop.v8i2.523

Abstract

This study aimed to formulate and evaluate a lip balm preparation containing watermelon seed extract (Citrullus lanatus) as a safe and effective natural lip moisturizer, in response to the increasing demand for plant-based cosmetic products. The extract was obtained using the maceration method, and four lip balm formulations were prepared with extract concentrations of 0%, 3%, 6%, and 9%. The preparations were evaluated through physical characterization tests, irritation assessment, hedonic evaluation, and stability testing over a 10-week storage period. The results indicated that all formulations were stable, exhibited acceptable pH values and melting points, and did not cause irritation. Increasing extract concentration significantly improved spreadability and moisturizing performance, with the 9% formulation receiving the highest preference among panelists. These findings suggest that watermelon seed extract has strong potential as a natural and safe active ingredient for lip care formulations.