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All Journal Jurnal Biologi Tropis SEMESTA: Journal of Science Education and Teaching
khairunnisa, kania
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Other

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The Effect of Project Based Learning Model on Students’ Learning Outcomes at SMPN 1 Payakumbuh Khairunnisa, Kania; Lestari, Tuti; Muttaqiin, Arief; Oktavia, Rani
SEMESTA: Journal of Science Education and Teaching Vol. 8 No. 1 (2025): Semesta: Journal of Science Education and Teaching
Publisher : Pendidikan IPA, FMIPA, UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/semesta/vol8-iss1/515

Abstract

This research is motivated by a learning process that only uses conventional models, so that in class it only focuses on the delivery of material by the teacher. Students are only asked to listen and take notes on the material presented, so that this has an impact on low student learning outcomes. This research aims to determine the effect of the Project Based learning model on the learning outcomes of the 8th grader at SMPN 1 Payakumbuh. This type of this research is quasi experiment using a non-equivalent control group design. This design begins with giving a pretest and ends with giving a posttest to the experimental and control groups. The sampling technique used was purposive sampling. Based on the results of the student response questionnaire to the Project Based learning model, a percentage of 86.45% was found to be in the very good category. Based on the results of hypothesis testing using the t test, a significance value of 3.685 > 2.0003 was obtained, meaning that there is a significant difference in the learning outcomes of students who use the Project Based Learning model and the learning outcomes of students who use conventional learning models. The results of the experimental class N-Gain test were found to be 0.55 in the medium category. It can be concluded that in this research, the Project Based Learning model has a significant influence on the learning outcomes of class VIII students at SMPN 1 Payakumbuh.
Literature Review: Potential of Lamiaceae Terpenoid Compounds as Anti-Inflammatory Noli, Zozy Aneloi; Sari, Melda Yunita; Khairunnisa, Kania; Yanti, Irda
Jurnal Biologi Tropis Vol. 26 No. 1 (2026): Januari-Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i1.11241

Abstract

Lamiaceae family are rich in natural bioactive compounds, particularly essential oils, with antioxidant, antimicrobial, antifungal, and anti-inflammatory activities, making them a potential source of therapeutic agents for managing inflammation, which is a biological response to tissue damage. This review article aims to provide an overview and analyze the potential of terpenoid compounds from the Lamiaceae family as anti-inflammatory agents. A systematic literature search was conducted using ScienceDirect, PubMed, SciFinder Scholar, EBSCO, and Google Books, covering publications from 2014 to 2025. Using relevant keywords, a total of 100 publications were initially identified. After title and abstract screening, 72 articles were selected for eligibility assessment, of which 20 peer-reviewed research articles reporting in vitro and in vivo anti-inflammatory activities of Lamiaceae terpenoids were analyzed in detail. This study showed that terpene compounds in Lamiaceae essential oils have significant potential to inhibit the production of inflammatory mediators, including cytokines (IL-6, IL-8, IL-1β, IL-2, IL-4, IL-17A, and TNF-α), and nitric oxide (NO). These findings strongly support the Lamiaceae family as a promising source of natural anti-inflammatory agents, warranting further investigation through mechanistic studies, in vivo validation, toxicity assessment, and formulation development to advance their potential therapeutic application.
Co-Authors Arief Muttaqiin Lestari, Tuti Oktavia, Rani Sari, Melda Yunita Yanti, Irda Zozy Aneloi Noli