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All Journal AGRIEKONOMIKA Planta Tropika
Siburian, Putri Wahyuni
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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Alginate-Based Edible Coatings Enriched with Cinnamon Essential Oil Extend Storability and Maintain the Quality of Strawberries under Tropical Condition Siburian, Putri Wahyuni; Falah, Moh. Affan Fajar; Mangunwikarta, Jumeri
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 9, No 1 (2021)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.v9i1.10368

Abstract

Strawberries are often transported and sold without temperature control, which causes huge losses due to rapid decay and quality deterioration. In this study, the effectiveness of edible coatings using alginate and enriched with an antibacterial agent (cinnamaldehyde from Cinnamomum burmannii essential oil), to maintain the quality and shelf life of strawberry was examined. Alginate coatings were prepared by dissolving 2%(w/v) sodium alginate, 0.5%(v/v) glycerol, 0.1%(w/v) CMC, and 0.5% (w/v) stearic acid, while antimicrobial agent was prepared by homogenizing 0.5%(v/v) cinnamon essential oil and 0.2%(v/v) Tween 20. Physicochemical and biochemical attributes [weight loss, firmness, color (L*, a*, b*), soluble solids content, vitamin C loss, acidity level, odor, total yeast and molds, and total mesophilic microorganisms were analyzed during storage under tropical conditions at 27±2°C. Statistical analysis was performed using ANOVA followed by a Tukey test. The inhibitory activity of antimicrobial agent was evaluated using the disc diffusion method. An alginate-based coatings enriched with Cinnamomum burmannii essential oil (AL+CBEO) was effective in maintaining physicochemical quality attributes and reducing the number of spoilage microorganisms, while alginate coatings alone (AL) found to be optimal for vitamin C loss prevention and additionally exhibited a more desirable odor. Overall, strawberry stored under tropical conditions appeared to be better preserved by alginate-based coatings enriched with cinnamon essential oil. 
Alginate-Based Edible Coatings Enriched with Cinnamon Essential Oil Extend Storability and Maintain the Quality of Strawberries under Tropical Condition Siburian, Putri Wahyuni; Falah, Moh. Affan Fajar; Mangunwikarta, Jumeri
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 9, No 1 (2021)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.v9i1.10368

Abstract

Strawberries are often transported and sold without temperature control, which causes huge losses due to rapid decay and quality deterioration. In this study, the effectiveness of edible coatings using alginate and enriched with an antibacterial agent (cinnamaldehyde from Cinnamomum burmannii essential oil), to maintain the quality and shelf life of strawberry was examined. Alginate coatings were prepared by dissolving 2%(w/v) sodium alginate, 0.5%(v/v) glycerol, 0.1%(w/v) CMC, and 0.5% (w/v) stearic acid, while antimicrobial agent was prepared by homogenizing 0.5%(v/v) cinnamon essential oil and 0.2%(v/v) Tween 20. Physicochemical and biochemical attributes [weight loss, firmness, color (L*, a*, b*), soluble solids content, vitamin C loss, acidity level, odor, total yeast and molds, and total mesophilic microorganisms were analyzed during storage under tropical conditions at 27±2°C. Statistical analysis was performed using ANOVA followed by a Tukey test. The inhibitory activity of antimicrobial agent was evaluated using the disc diffusion method. An alginate-based coatings enriched with Cinnamomum burmannii essential oil (AL+CBEO) was effective in maintaining physicochemical quality attributes and reducing the number of spoilage microorganisms, while alginate coatings alone (AL) found to be optimal for vitamin C loss prevention and additionally exhibited a more desirable odor. Overall, strawberry stored under tropical conditions appeared to be better preserved by alginate-based coatings enriched with cinnamon essential oil. 
Economic effect of non-renewable and renewable energy on South Korea's agri-food sector: an input-output analysis Siburian, Putri Wahyuni; Soo, Lim Song
Agriekonomika Vol 14, No 2: October 2025
Publisher : Department of Agribusiness, Faculty of Agriculture, Universitas Trunojoyo Madura, Indonesi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agriekonomika.v14i2.31213

Abstract

South Korea’s Green New Deal has sparked debate over the balance between economic growth and environmental sustainability. While promising in concept, prior studies reveal tensions between these goals. This study empirically examines the economic viability of renewable energy policies using the Bank of Korea’s input-output (I/O) table to analyze the agri-food sector. Results show that non-renewable energy investments remain more economically profitable: a 1 million KRW investment yields 22,607 KRW more in production, 7,898 KRW more in value-added, and 2,004 KRW more in wages compared to renewables. However, non-renewables expose the economy to greater risk, supply shortages of 1 million KRW in this sector result in 53,484 KRW more in production losses than renewables. Thus, while non-renewable energy offers short-term economic advantages, renewable energy provides greater resilience. Long-term sustainability and reduced vulnerability to supply disruptions underscore the importance of transitioning toward renewable energy in building a stable and future-ready economy.
Co-Authors Falah, Moh. Affan Fajar Mangunwikarta, Jumeri Mohammad Affan Fajar Falah Soo, Lim Song