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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 Abdul Azis Achmad Rusdi Agusti, Eddy Ahmad Munir Ainun, Qurrata Al-falathi, Siti Aminah Almira, Jihan Aman, Ahmad Asraruddin Asrul Saputra Badaruddin Barokah, Muhammad Desembardi, Faried Desember, Faried Djuniadi Djuniadi Fadhil Surur FAHRIZAL Farida, Anif Fariyani Fariyani, Fariyani Farizawati Farrah Syerina Fauziansyah Febriyani, Tika G. Gunawan Galuh Indra Hasniatisari Hasriadi Haurissa, Prita Husnul Mubarak IAN YULIANTI Imam Alfaruq Intan Zuhra Irwan T Ismayani, Susi jabul reski, fadhil Juli Agustina H Jummaidi Saputra Junaedi Muhidong Kahar Kahar, Kahar kamaludin, ade Kamus Karnisih, Karnisih Laurencia Vivin Monica LINDAWATI M.Syekh Ikhsan Syaipudin Mahjoedin, Yovial Mahmud Achmad Mahyuddin Maizan, Rafdia Marthiana, Wenny Maulidiyah, Rafiqah Mauliza, Suci Meutia, Cut Dara Muh Fajar Hardiansyah Muhammad Aziz Muhammad Faisal Muhammad Iqbal Muhammad Rusmin Muhammad Tahir Sapsal Muhammad Wasil Muhammad Yusuf, Tahir Muhtadin Mukrimin Murliana Mursalim Nasution, Anhar Nida Nuraini Nurdiana Nurfadillah Nurhanifa Nurhanifa Nurjannah Prabowo, Arga Satrio Prayoga, Dodo Solyus Pristianto, Hendrik Purwanto, A Didik Setya Putri Balqis Rahmat Kurniawan Rahmi, Hayatun Rajib Muammar Ridha Izzulhaq, Muhammad Rina Purnama Sari Rini, Retno Puspa Riyadhul Fajri Rokhman Salamah Salengke, Salengke Salsabila, Nadia Samsuddin Saputra, Joeny Saputri, Yuni Sazili Selpiah Sitti Nur Faridah Suhardi Suhartini Sukowati, Dwi Guntoro SUNARNO Sunarno Syafriadi Syahrial Sabaniah Tasari, Sutriani Teuku Rihayat Upik Nurbaiti Valens Wardani, Vera Warsono Widya, Mitha Wiratmadinata Yetri Hasan Yusrizal Zainal Abidin Zainul Amri Zufiyardi Zulkifli