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Journal : Jurnal Syntax Transformation

Effect of Hot Breaking and Cold Breaking on the Rheology of Tomato Paste (Lycopersicon Esculentum Mill) Selpiah; Salengke; Iqbal
Jurnal Syntax Transformation Vol 6 No 5 (2025): Jurnal Syntax Transformation
Publisher : CV. Syntax Corporation Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/jst.v6i5.1072

Abstract

Tomato paste quality hinges on processing methods, with hot break (95°C) and cold break (65°C) treatments critically impacting rheology and shelf life. Prior studies lack comprehensive analysis of prolonged heating durations and storage effects on viscosity stability. This study examines how hot/cold break treatments influence tomato paste rheology, enzyme activity (PME, PG), and storage stability to identify optimal processing parameters. Tomatoes were heated at 65°C (cold break) or 95°C (hot break) for 5–15 minutes, processed into paste, and stored for 5 weeks. Rheological properties (flow index *n*, consistency coefficient *k*) were measured weekly using a viscometer (30–60°C), while PME/PG activities were assayed titrimetrically and via DNS. Hot break at 45°C with 10-minute heating yielded the highest viscosity stability (*n* = 0.3685, *k* = 1.478) and extended shelf life by reducing microbes. PG enzymes were more heat-resistant than PME, with cold break showing higher residual activity (27.72% PME, 35% PG after 5 weeks). Storage revealed pseudoplastic degradation, with 60°C treatments exhibiting drastic *k*-value declines (~50%). The 10-minute hot break at 45°C is recommended for industrial tomato paste production to balance viscosity and shelf life. Future research should explore hybrid thermal treatments to enhance nutritional retention, building on findings by Wang et al. (2023).
Co-Authors A. Didik Setyo Purwantoro Achmad Rusdi Agusti, Eddy Ahmad Januardi Al-falathi, Siti Aminah Alfaruq, Imam Almira, Jihan Aman, Ahmad ARIYANTI, EKA LESTARI Asrul Saputra Aziz, Asti Irawati Badaruddin Barokah, Muhammad Christovel V. Hendriks Desembardi, Faried Desember, Faried Desi Riskasusanti Diyah Yumeina Djuniadi Djuniadi Dwi Guntoro S. Fadhil Surur FAHRIZAL Farida, Anif Fariyani Fariyani, Fariyani Farizal Farizawati Fauziansyah Febriana Intan Permata Hati Febriyani, Tika Fikri Tamima G. Gunawan Galuh Indra Hasniatisari Hasriadi Haurissa, Prita Husnul Mubarak IAN YULIANTI Intan Zuhra Irwan T Ismayani, Susi jabul reski, fadhil Jein A Muabuay Joko Nugroho Wahyu Karyadi Jummaidi Saputra Junaedi Muhidong Kahar Kahar, Kahar kamaludin, ade Karnisih, Karnisih Khaeril Anwar Junaedi Laurencia Vivin Monica LINDAWATI M.Syekh Ikhsan Syaipudin Mahjoedin, Yovial Mahmud Achmad Mahyuddin Maizan, Rafdia Marina Butudoka Marthiana, Wenny Maulidiyah, Rafiqah Mauliza, Suci Meutia, Cut Dara Mohammad Aris Muh Fajar Hardiansyah Muhamad Abdi Setiawan Gibran Muhammad Faisal Muhammad Iqbal Muhammad Nur Fajar Muhammad Rusmin Muhammad Tahir Sapsal Muhammad Wasil Muhammad Yusuf, Tahir Muhtadin Mukrimin Murliana Mursalim Nasution, Anhar Nida Nuraini Nurdiana Nurfadillah Nurhanifa Nurhanifa Nurjannah Nursigit Bitoro Olly Sanny Hutabarat Prabowo, Arga Satrio Prayoga, Dodo Solyus Pristianto, Hendrik Purwanto, A Didik Setya Puspitasari, Rizka Dwi Rahmi, Hayatun Rajib Muammar Ridha Izzulhaq, Muhammad Rina Purnama Sari Rini, Retno Puspa Riyadhul Fajri Riyadhul Fajri Rokhman Salamah Salengke, Salengke Salsabila, Nadia Saputri, Yuni Sazili Selpiah Slamet Widodo Suhartini Sukowati, Dwi Guntoro SUNARNO Sunarno Syafriadi Tasari, Sutriani Teguh Eka S. Apriliyanto Teuku Rihayat Upik Nurbaiti Valens Wardani, Vera Warsono Widya, Mitha Wiratmadinata Yetri Hasan Yusrizal Zainal Abidin Zainul Amri Zufiyardi Zulkifli