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All Journal Jurnal Ilmu Pertanian Indonesia Riwayat: Educational Journal of History and Humanities
Ramadhan, Muhammad Anugerah
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Agriculture, Biological Sciences & Forestry Humanities Education Social Sciences

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Pengaruh Belanja Modal Pemerintah Provinsi terhadap Pertumbuhan Ekonomi Regional Daerah di Indonesia: Analisis Efektivitas Era SBY dan Jokowi Herdi, Adli Gumilang; Marpaung, Debora Nurhary Grecia; Noviandani, Diva; Ramadhan, Muhammad Anugerah; Situmorang, Veronica Uly Artha
Riwayat: Educational Journal of History and Humanities Vol 8, No 4 (2025): Oktober, Social Issues and Problems in Society
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jr.v8i4.48970

Abstract

This study aims to analyze the impact of provincial government capital expenditure on regional economic growth in Indonesia, with a particular focus on the comparative effectiveness between the administrations of Susilo Bambang Yudhoyono (20052014) and Joko Widodo (20142024). Using panel data from 34 provinces over the 20052024 period, this research employs panel regression with a fixed-effects specification and interaction tests between capital expenditure and government regimes. The results show that capital expenditure consistently exerts a positive and significant effect on regional economic growth. However, its effectiveness is found to be stronger during the Yudhoyono administration than during the Jokowi era, as indicated by a significant negative interaction coefficient in the latter period. Furthermore, the study identifies a structural shift in regional GDP levels between the two administrations and demonstrates the simultaneous significance of capital expenditure, government regime, and their interaction in influencing economic growth. The model explains 80.19% of the variation in regional GDP, while the remaining portion is driven by other factors such as private investment, international trade, and global economic conditions. These findings emphasize that although capital expenditure remains a vital instrument for fostering economic growth, its effectiveness largely depends on the quality of policy implementation and the surrounding political-fiscal context.
Purification of Kurisi (Nemipterus nematophorus) Fish Oil Derived from Surimi Processing Products Suseno, Sugeng Heri; Ramadhan, Muhammad Anugerah; Albarokah, Nurdiansyah
Jurnal Ilmu Pertanian Indonesia Vol. 31 No. 1 (2026): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.31.1.186

Abstract

Kurisi fish oil is a promising omega–3 fatty acid source, particularly eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). In Indonesia, this oil is commonly obtained from a surimi processing industry product. It is predominantly utilized as an additive in animal feed due to its failure to meet the quality standards required for human consumption. Therefore, purification is essential to enhance its quality and broaden its potential applications as a food–grade oil. This study evaluated the effectiveness of two purification methods: (A) a three–step process involving degumming, neutralization, and bleaching; and (A+), which includes winterization following the A process. The study commenced with the characterization of crude kurisi fish oil, followed by applying both purification techniques. Quality parameters analyzed included free fatty acids (FFA), peroxide value (PV), acid value (AV), p–anisidine value (p–AnV), total oxidation value (totox), and fatty acid composition. The results indicated that both purification methods significantly reduced oxidative degradation indicators. Notably, the A+ method yielded the most favorable results, achieving a polyunsaturated fatty acid (PUFA) content of 33.69% and demonstrating superior oxidative stability. These findings suggest that the A+ purification method effectively enhances the quality of kurisi fish oil, supporting its potential use as a functional food ingredient. Keywords: kurisi fish oil, omega–3, oxidation, fish oil purification, winterization
Co-Authors Albarokah, Nurdiansyah Herdi, Adli Gumilang Marpaung, Debora Nurhary Grecia Noviandani, Diva Situmorang, Veronica Uly Artha Sugeng Heri Suseno