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All Journal 3BIO: Journal of Biological Science, Technology and Management Current Research on Biosciences and Biotechnology
Melani, Lili
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience

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The influence of chitosan on plant growth and β-sitosterol content in adventitious roots of Talinum paniculatum in NFT hydroponic cultivation system Widodo, Sinta Oktaviani Wahyu; Faizal, Ahmad; Melani, Lili
Current Research on Biosciences and Biotechnology Vol. 5 No. 2 (2024)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/crbb.2024.5.2/JH7W60YM

Abstract

β-sitosterol is the most abundant type of phytosterol found in nature and it offers numerous health benefits for humans including anticancer, antidiabetic, and blood cholesterol-lowering properties. One biomass with a significant β-sitosterol content is the Javanese ginseng root (Talinum paniculatum). However, Javanese ginseng has not been fully exploited and is often perceived as a mere wild plant. This research was conducted by cultivating Javanese ginseng using the Nutrient Film Technique (NFT) hydroponic method along with the addition of chitosan elicitors at various concentrations: 0, 12.5, 25, and 50 ppm. The purpose of this research was to determine the optimal chitosan concentration for the growth of Javanese ginseng, the β-sitosterol content, and the productivity of β-sitosterol in Javanese ginseng roots cultivated using the NFT hydroponic method. The research revealed that a 12.5 ppm chitosan concentration could increase the root weight by 8.785 g and the shoot weight by 88 g. The growth rate increased to 3.457 g/day and the productivity of β-sitosterol in the roots reached 25.084 mg/m2/month. On the other hand, the addition of chitosan led to a decrease in the root-to-shoot ratio, indicating an improved cultivation environment compared to cultivation without chitosan. Furthermore, the results of the research also indicated that the addition of chitosan did not affect the β-sitosterol content in the Javanese ginseng roots. Therefore, it can be concluded that the optimal chitosan concentration that positively impacts Javanese ginseng cultivated using the NFT hydroponic method is 12.5 ppm.
Value Chain and Techno-Economic Analysis of Biodiesel Production from Rubber Seeds in Banyuasin, Indonesia Putri, Adela Damika; Nurdiansyah, Muhamad Aldi; Melani, Lili; Dwiartama, Angga; Abduh, Muhammad Yusuf
3BIO: Journal of Biological Science, Technology and Management Vol. 8 No. 2 (2026)
Publisher : School of Life Sciences and Technology, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/3bio.2026.8.2.3

Abstract

Banyuasin Regency, located in the province of South Sumatra, has the largest area of rubber plantations in Indonesia, with huge potential as biodiesel feedstock, and generates income for rubber planters through the exploitation of the seeds. This study focuses on the value chain of the exploitation of seeds for biodiesel and its economic benefits to the planters using the Hayami method. The snowball and stratified random sampling methods were used to determine the pricing of the seeds. The value chain actors include the rubber planters, the crumb rubber processing and marketing unit, the biodiesel processing unit, and the consumers, which operate through the market governance structure. The findings indicate that rubber seed processing generates an added value of IDR 4,937/kg, with a value-added ratio of 64%, classifying it as a high-value commodity. Furthermore, integrating rubber seed value chain activities has the potential to increase farmers’ annual income by IDR 3,850,000, contributing to financial sustainability. A techno-economic analysis confirms the feasibility of intermediate-scale biodiesel production in Banyuasin Regency, with a benefit-cost ratio of 1.35, demonstrating its potential to create substantial economic value from rubber seeds. These findings highlight a strategic opportunity for the crumb rubber processing and marketing unit in the Banyuasin Regency to enhance its role within the supply chain while improving farmer profitability. By optimizing value chain efficiency and ensuring market stability, rubber seed-based biodiesel production can contribute to economic growth, rural development, and renewable energy advancement in Indonesia.   
Co-Authors Abduh, Muhammad Yusuf Ahmad Faizal Dwiartama, Angga Nurdiansyah, Muhamad Aldi Putri, Adela Damika Widodo, Sinta Oktaviani Wahyu