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All Journal Biosfer: Jurnal Pendidikan Biologi Biosel: Biologi Science and Education Biopendix: Jurnal Biologi, Pendidikan dan Terapan Jurnal Pengabdian kepada Masyarakat Nusantara BIOEDUPAT: Pattimura Journal of Biology and Learning Rumphius Pattimura Biological Journal
ARINI, INE
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Environmental Science Immunology & microbiology Social Sciences

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Journal : Rumphius Pattimura Biological Journal

 1 
IMPROVING BIOLOGICAL SCIENCE LEARNING OUTCOMES WITH USED A CONTEXTUAL-BASED INQUIRY APPROACH THE CONCEPT OF PHOTOSYNTHESIS IN CLASS VIII STUDENTS OF JUNIOR HIGH SCHOOL NEGERI 2 AMBON Wattimury, Ince; Arini, Ine; Smith, Alwi
RUMPHIUS Vol 5 No 2 (2023): RUMPHIUS Pattimura Biological Journal
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/rumphiusv5i2p057-065

Abstract

The inquiry approach is one of the approaches proposed by experts to be developed in the learning process. Where inquiry learning teaches students how to research problems or questions of facts. Learning used an inquiry approach requires a classroom environment where students feel free to create, make assumptions and draw conclusions. The aim of this research is to determine the improvement in biological science learning outcomes regarding the concept of photosynthesis used a contextual-based inquiry learning approach for class VIII3 students at Junior Hight School Negeri 2 Ambon. This type of research includes descriptive research using a PTK design. This research was conducted at a Junior High School Negeri 2 Ambon. The subjects in this research were students in class VIII3 as many as 26 students. Data analysis uses qualitative data, then the final value is converted using completeness criteria. Based on the tests gived in cycle I, the final test results for each group were not significant. In group I, only 4 students (15.4%) had not reached the completion criteria and 5 other students were able to achieve completion with a percentage (19.2%). The number of students who achieved completeness in group II was 7 students (27.0%), and 2 other students (7.7%) did not achieve completeness. Meanwhile in group III, there were 5 students who were able to achieve completeness with a percentage of (19.2%) and 3 students (11.5%) who did not achieve completeness. Thus, there were 9 students (34.6%) who had not achieved completeness and 17 students (65.4%) had achieved completeness. Meanwhile, in cycle II the test results increased. In group I, there were 5 students who met the completion criteria with a percentage of 19.2%, 4 other students still had not completed it. Group II increased even more, 7 students (27%) met the criteria for completion while 2 students (7.7%) still did not complete. In group III there were 5 students (19.2%) who met the criteria for completion, and 3 other students (11.5%) who still had not completed it. The final test seems to show very good results. The conclusion of the research was taught used a contextual-based inquiry approach to the concept of photosynthesis can improve student learning outcomes, seen in cycle I and cycle II because the cognitive, affective and psychomotor aspects can improved.
EFFECTIVENESS OF ETHANOL EXTRACT MEAT FRUIT MAHKOTA DEWA (Phaleria macrocarpa (Scheff) Boerl) ON REDUCE URIC ACID LEVELS IN MALE MICE (Mus musculus) Pikaulima, Pricilia; Rehena, Johanis Fritzgal; Arini, Ine
RUMPHIUS Vol 4 No 1 (2022): RUMPHIUS Pattimura Biological Journal
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/rumphiusv4i1p011-017

Abstract

Mahkota Dewa (Phaleria macrocarpa (Sceff.) Boerl.) is a medicinal plant that is used empirically as a medicine for various diseases, one of which is gout. This study aims to determine the ethanol extract of the crown of the gods in reducing uric acid levels in mice. This study used an experimental method with the research subject being male mice (mus musculus) and the object of research was the decrease in uric acid levels in mice when given treatment. The independent variable was the ethanol extract of the crown of the god flesh and the dependent variable was uric acid levels in male mice (Mus musculus). Data on the percentage decrease in uric acid levels was tested using one-way ANOVA (5% confidence level) followed by the Bonferroni test. The results showed that the dosage of ethanol extract of Mahkota Dewa fruit was 1.25; 2,5 and 5g/kgbw were able to reduce uric acid levels in the blood serum of male mice induced by potassium oxonate. of the five treatment groups, the average uric acid level with the negative control was 0.48 ± 0.04 mg/dl. Positive control was 0.62 ± 0.08 mg/dl. The ethanol extract dose of 1.25g/kgBB was 1.68 ± 0.13. The ethanol extract dose of 2.5g/kgbw was 1.62 ± 0.08 and the ethanol extract dose of 5g/kgBW was 1 ± 0.5.
Analysis Antioxidant of Clove Leaves (Syzygium aromaticum) as a Source of Bioactive Compounds Wael, Syahran; Arini, Ine; Muskita, Marike; Rakuasa, Heinrich
RUMPHIUS Vol 8 No 1 (2026): RUMPHIUS Pattimura Biological Journal (in process)
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/rumphiusv8i1p047-054

Abstract

This study aimed to evaluate the antioxidant activity of the chloroform extract of clove leaves (Syzygium aromaticum) as a source of bioactive compounds. Unlike most previous studies that predominantly focused on essential oils or polar extracts of clove, this research specifically investigates the antioxidant potential of the semi-polar chloroform extract, which remains relatively underexplored. Extraction was performed using chloroform to obtain semi-polar compounds with potential biological activity. Phytochemical screening revealed the presence of phenolic compounds, flavonoids, tannins, and terpenoids, which are known to function as natural antioxidants. Antioxidant activity was assessed using the DPPH (2,2-diphenyl-1-picrylhydrazyl) radical scavenging assay based on the ability of the sample to neutralize free radicals. The results demonstrated an increase in percentage inhibition with increasing extract concentration, indicating a positive linear relationship between concentration and antioxidant activity. Linear regression analysis yielded an IC₅₀ value of 69.40 ppm, classifying the extract as having strong antioxidant activity. In comparison, ascorbic acid exhibited an IC₅₀ value of 8.75 ppm, indicating very strong antioxidant activity. This difference is attributed to the nature of ascorbic acid as a pure compound, whereas the chloroform extract consists of a complex mixture of secondary metabolites. The novelty of this study lies in highlighting the significant antioxidant potential of the semi-polar chloroform fraction of clove leaves, thereby expanding the understanding of solvent-specific bioactive compound distribution and providing new insight into its possible application in functional food and pharmaceutical development. Overall, the findings suggest that the chloroform extract of clove leaves has promising potential as a natural source of bioactive compounds for further development.
Co-Authors Alhamid, Jaffira Salma Aska, Aska Bahri, Husnaini Erbabley, Adriana Fredy Leiwakabessy Ince Wattimury Latupeirissa, Louvenska Latupeirissa, Louvenska Nona Muskita, Marike Muskitta, Marike Pikaulima, Pricilia pradana, Sendy putra Rakuasa, Heinrich Rehena, Johanis Fritzgal Rizki Sianturi, Advend Sri Romuty, Theofany Rumangun, Febi Stevano Smith, Alwi Syahran Wael syahrul, muhammad Theopilus W Watuguly Tuapattinaya, Prelly Marsel Jolanda Tuaputty, Hasan