Please use this identifier to cite or link to this item: http://repository.ipb.ac.id/handle/123456789/166820
Title: Pemanfaatan Teknologi Plasma Fine Bubble dalam Reduksi Residu Pestisida Tomat Ceri (Solanum lycopersicum var. cerasiforme)
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Authors: Purwanto, Yohanes Aris
Sugiarto, Anto Tri
Putri, Amalia
Issue Date: 2025
Publisher: IPB University
Abstract: Tomat ceri (Solanum lycopersicum var. cerasiforme) merupakan komoditas hortikultura bernilai tinggi dengan ukuran lebih kecil, rasa lebih manis, dan kandungan gizi lebih tinggi dibandingkan tomat biasa. Permintaan tomat ceri sebagai buah segar maupun bahan baku industri meningkat signifikan, namun ketersediaan di Indonesia masih terbatas, sehingga impor menjadi solusi untuk memenuhi permintaan. Dalam budidayanya, penggunaan pestisida berlebih menjadi tantangan karena meninggalkan residu dan menurunkan kualitas pascapanen buah. Teknologi plasma fine bubble menjadi salah satu alternatif untuk mereduksi residu pestisida dan mempertahankan mutu buah. Teknologi ini menghasilkan gelembung halus yang mengandung ozon dan reactive oxygen species (ROS). Tujuan penelitian adalah menerapkan teknologi plasma fine bubble untuk menurunkan residu pestisida dan mempertahankan mutu tomat ceri dengan berbagai konsentrasi ozon dan durasi perendaman. Proses perendaman menggunakan media air, konsentrasi larutan ozon 1 ppm dan 3 ppm dengan durasi perendaman 5 menit dan 10 menit. Konsentrasi ozon 3 ppm selama 10 menit menjadi perlakuan terbaik dalam mereduksi residu pestisida organofosfat yang ditunjukkan oleh perubahan warna menjadi bening berdasarkan uji kualitatif dengan test kits pestisida dan efektif menurunkan jumlah mikroorganisme hingga 0 CFU/g. Tomat ceri dengan perlakuan ozon juga terbukti mampu mempertahankan susut bobot, warna, kekerasan, dan total padatan terlarut lebih baik dibandingkan dengan kontrol.
Cherry tomatoes (Solanum lycopersicum var. cerasiforme) are a high-value horticultural commodity, characterized by their smaller size, sweeter taste, and higher nutritional content compared to regular tomatoes. The demand for cherry tomatoes, both as fresh fruit and as raw material for processing industries, has increased significantly. However, their availability in Indonesia remains limited, resulting in a reliance on imports to meet market needs. In cultivation, the excessive use of pesticides poses a significant challenge, as it leads to residue accumulation and compromises post-harvest quality. Plasma fine bubble technology offers a promising alternative for reducing pesticide residues while maintaining fruit quality. This technology generates ultrafine bubbles containing ozone and reactive oxygen species (ROS). The objective of this study was to apply plasma fine bubble technology to reduce pesticide residues and preserve the quality of cherry tomatoes using different ozone concentrations and soaking durations. The soaking treatments were conducted using water as a medium, with ozone concentrations of 1 ppm and 3 ppm, and immersion durations of 5 and 10 minutes. The treatment using 3 ppm ozone for 10 minutes was found to be the most effective in reducing organophosphate pesticide residues, as indicated by the color change to clear in qualitative pesticide test kits. This treatment also effectively reduced microbial counts to 0 CFU/g. Furthermore, cherry tomatoes treated with ozone demonstrated better retention of weight, color, firmness, and total soluble solids compared to the untreated control.
URI: http://repository.ipb.ac.id/handle/123456789/166820
Appears in Collections:UT - Agricultural and Biosystem Engineering

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