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All Journal Agrointek Science and Technology Indonesia
Muhammad Romli
Division Of Agroindustrial Engineering And Technology, Faculty Of Engineering And Technology, IPB University, Bogor, West Java, 16680, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Environmental Science Materials Science & Nanotechnology Physics

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Clustering in Chemical Characteristics and Contaminant Metal Levels of Indonesian Sago Starch: A Comprehensive Analysis of Purity and Quality Agus Budiyanto; Muhammad Romli; Elisa Anggraeni; Edi I. Wiloso; Mulyana Hadipernata
Science and Technology Indonesia Vol. 11 No. 3 (2026): July
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2026.11.3.758-772

Abstract

Indonesia has the most sago plantations in the world, which means that sago can be used for a wide range of things, including food, animal feed, fuel, fiber, and fertilizer. However, Indonesian sago starch can’t be used more widely in either domestic or international markets because there isn’t enough information about its chemical composition and contaminant levels. This study examines the chemical composition and heavy metal levels of sago starch from various regions of Indonesia. The results show that the chemical properties of sago starch vary from province to province. For example, the carbohydrate content ranges from 84.26% to 94.93%, while the fat and protein content are relatively low. There are also reports of differences in the amounts of amylose and amylopectin. The levels of heavy metals are very low and meet international safety standards, which means that Indonesian sago starch is safe to eat. Sago starch from Indragiri Hilir, Banjarmasin, and Lingga exhibits chemical properties similar to those from Meranti, Indonesia’s primary sago-producing region, suggesting their potential as alternative sources. The appropriate amounts of amylose and amylopectin in these areas make it suitable for food products that require very high flexibility. These results support improving the use of sago starch and help raise the quality and safety standards for Indonesian sago products.
Input-output evaluation of kenaf biomass utilization for upstream supply chain optimization in agroindustry Nunung Nurhasanah; Marimin Marimin; Machfud Machfud; Muhammad Romli
AGROINTEK Vol 20, No 2 (2026)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v20i2.31249

Abstract

Hibiscus cannabinus L. emerged as a promising natural fiber crop in Indonesia, offering significant value-added potential across its biomass components—bast, stem core, leaves, and seeds. This study presented a comprehensive value-added analysis along the upstream and midstream supply chain networks of the kenaf agroindustry. The research specifically focused on optimizing the upstream supply chain by evaluating the economic contribution of each biomass component and identifying opportunities for full biomass utilization. The Input-Output method from Indonesia’s Central Statistics Agency (BPS) was applied, along with a sensitivity analysis on market pricing scenarios. The results revealed that, for each hectare of cultivation, optimized utilization of kenaf components yielded an added value of IDR31,357,322 in the upstream network and IDR130,309,594 in the midstream traditional textile production. Notably, the incorporation of stem core (KCC and KCP), seed oil, and fermented leaf-based animal feed contributed to a 21.67% increase in upstream added value, alongside a 17.65% rise in farmers’ income. These findings demonstrated the potential for upstream supply chain optimization through low-tech, full biomass processing, supported Indonesia’s competitiveness as a global kenaf supplier, and highlighted the need for institutional frameworks to enable scale-up and sustainability.
Co-Authors Agus Budiyanto Edi I. Wiloso Elisa Anggraeni Machfud Machfud Marimin , Mulyana Hadipernata Nunung Nurhasanah