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All Journal Communications in Science and Technology Jurnal Sylva Lestari
Prayogo, Yanico Hadi
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy Engineering Environmental Science Materials Science & Nanotechnology

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Phytochemical Profile of Rhizophora apiculata, Bruguiera gymnorhiza, and Bruguiera cylindrica for Wood Identification Andianto; Wahyudi, Imam; Sari, Rita Kartika; Pari, Gustan; Prayogo, Yanico Hadi
Jurnal Sylva Lestari Vol. 12 No. 2 (2024): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i2.884

Abstract

Identification of wood species that are difficult to distinguish from their anatomical structure can be done through phytochemical (extractive substance) profiling. This research aimed to analyze the phytochemical profile as a sorter for three species of mangrove wood from Indramayu and Cilacap Regencies, Indonesia, using the liquid chromatography-mass spectrum. The phytochemical markers of taxonomic were the dominant compounds only found in one wood species. The results showed that the three types of wood are dominated by phytochemicals dissolved in ethanol. The results of LCMS analysis of the ethanol extract showed that the phytochemical markers were triterpenoid, flavonoid, and fatty acyls glycoside groups for Rhizophora apiculata, steroid and naphthalene groups for Bruguiera gymnorhiza, and alkaloid as well as fatty amide group for Bruguiera cylindrica. The dominant compounds that characterize these can be used in sorting between mangrove wood species. Keywords: characterizer, compound, mangrove, phytochemicals
Antidiabetic Activities of Agarwood (Aquilaria malaccensis) Leaf Extracts via Enhanced Insulin Secretion in BRIN-BD11 Pancreatic Beta-Cells Prayogo, Yanico Hadi; Sari, Rita Kartika; Hamidi, Zikri; Syafii, Wasrin; Harlina, Eva; Prasetyo, Bayu Febram
Jurnal Sylva Lestari Vol. 13 No. 3 (2025): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v13i3.1197

Abstract

Agarwood leaves (Aquilaria malaccensis), a non-timber forest products, shows significant potential as a source of antidiabetic compounds. This study aims to evaluate the antidiabetic activity of agarwood leaves and their cytotoxicity on pancreatic beta-cells, as well as predict their compound bioactivity through an in silico approach. The leaves were extracted using ethanol, water, and a mixture of ethanol–water with the assistance of ultrasound irradiation. The extracts were then tested in vitro for their antidiabetic potential by assessing their ability to inhibit the alpha-glucosidase enzyme and their effect on insulin secretion, as well as their cytotoxicity on BRIN-BD11 pancreatic beta-cells. The phytocompounds in the extract were identified using liquid chromatography-mass spectrometry, and their binding behavior was studied by in silico molecular docking. Among the three, the ethanol–water extract showed the highest extraction yield. Cytotoxicity assays revealed that the ethanol–water extract was cytotoxic at high concentrations (1000 µg/mL), but safe at lower concentrations. The alpha-glucosidase inhibition was relatively weak. Nevertheless, the extracts significantly stimulated insulin secretion in BRIN-BD11 cells up to fivefold compared to untreated cells. In silico studies indicated that xanthone glycoside, flavonoid glycoside, and coumarin compounds exhibit strong binding affinities to multiple insulin-secretion-related proteins. These findings suggest that agarwood leaf extract, particularly ethanol–water extract, possesses promising antidiabetic activity through an insulinotropic mechanism. Keywords: agarwood, alpha-glucosidase, insulinotropic, molecular docking
In-vitro, In-vivo, and In-silico Studies of Insulinotropic Activity and Cytotoxicity of Mahagony Seed Extracts and Its Nanophytosome Hamidi, Zikri; Sari, Rita Kartika; Prayogo, Yanico Hadi; Syafii, Wasrin; Kasmi, Adinda Zahra Marissa; Prasetyo, Bayu Febram; Harlina, Eva; Wahyudi, Setyanto Tri
Communications in Science and Technology Vol 10 No 2 (2025)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.10.2.2025.1676

Abstract

This present study set out with the objective of evaluating the effect of ethanol–water solvent composition on extraction yield, insulinotropic activity (IA), cytotoxicity, and phytochemical profile (PP) of mahogany (Swietenia mahagoni) seed (MS) extracts. It also sought to study in silico and encapsulate the best extract, and to assay the antidiabetic of the extract and its nanophytosome. The extraction of MSs was achieved through the utilization of ethanol, ethanol–water (1:1), and water through ultrasound–assisted extraction. The extracts of IA and cytotoxicity were assayed in vitro using BRIN–BD11 cell lines and analyzed using LC-MS. The most effective extract was identified for its active compounds using molecular docking, encapsulation, characterization, and testing for its antidiabetic properties in vivo. The highest yield was observed in the water extract (MW), followed by the ethanol–water extract (MEW) and the ethanol extract (ME). MEW and MW demonstrated low level of cytotoxicity, with MEW exhibiting the highest level of IA. An in silico study identified four key antidiabetic compounds through the IA mechanism. The study demonstrated that MEW and its nanophytosome (250 mg/kg mouse weight) effectively reduced blood glucose level, and enhanced both erythrocyte function, and insulin secretion. This finding provides a new perspective in the development of natural-based antidiabetic agents through the nanophytosome formulation of mahogany seed extract.
Resistance to Termites and Colour Change in Gombong Bamboo (Gigantochloa pseudoarundinacea) Modified with Boron Compounds, Vegetable Oil, and Heating Pangestu, Lilih Cipta; Priadi, Trisna; Prayogo, Yanico Hadi
Jurnal Sylva Lestari Vol. 14 No. 1 (2026): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v14i1.1270

Abstract

Bamboo is a potential material in the furniture, construction, and craft industries due to its rapid growth and good physical and mechanical properties. However, its vulnerability to attacks by wood–destroying organisms, particularly termites, necessitates preservation to extend its service life. This study evaluated the resistance of gombong bamboo to subterranean and drywood termites, as well as its color changes. The modification treatments involve boric acid equivalent (BAE) impregnation, heat treatment (60 °C, 150 °C, and 180 °C), and vegetable oils (linseed and neem oil). Statistical analysis using one-way ANOVA was performed to determine the significance of each treatment factor on weight loss and colour parameters, followed by Duncan’s Multiple Range Test for mean comparison. In addition, color change and the chemical composition of the most effective oil treatment in terms of termite resistance were analysed using Gas Chromatography-Mass Spectrometry (GC-MS). The results showed that BAE, neem oil, and the combined treatments (BAE-vegetable oils) effectively improved bamboo resistance to both termite tests. The synergy between BAE impregnation, heat treatment (180 °C), and neem oil produced the highest level of termite resistance. Heat treatment at elevated temperatures also caused significant colour changes, particularly a reduction in brightness (L*) and an increase in dark brown tones attributed to thermal degradation of hemicellulose and extractives. GC-MS analysis revealed that neem oil was dominated by fatty acids and other compounds known for their antimicrobial, antifeedant, and termite-repellent activities, which likely contributed to the enhanced biological performance of the treated bamboo. Keywords: bamboo modification, bio-based treatment, impregnation, sustainable bamboo utilization
Co-Authors Andianto Bayu Febram Prasetyo Eva Harlina Gustan Pari Hamidi, Zikri Imam Wahyudi Indrawan, Imam Wahyudi Kasmi, Adinda Zahra Marissa Pangestu, Lilih Cipta Rita Kartika Sari Setyanto Tri Wahyudi Trisna PRIADI Wasrin Syafii