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All Journal Nusantara Science and Technology Proceedings Jurnal Teknologi Pangan
Dianita Kumalasari
Food Technology Department, Faculty Of Engineering And Science, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Surabaya 60294, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology

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Identification of Formalin Content on Jambal Roti Salted Fish at Traditional Markets, North Surabaya, Indonesia Ratna Yulistiani; Jariyah; Yunita Satya Pratiwi; Dianita Kumalasari; Agi Ramadhan
Nusantara Science and Technology Proceedings 5th International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4506

Abstract

Jambal Roti, a well-known salted fish delicacy in Indonesia, has become a subject of concern due to reports of formaldehyde contamination. This research was conducted to investigate the presence of formaldehyde in Jambal Roti sold in traditional markets in North Surabaya and to analyze the physical characteristics of the contaminated fish. Using a descriptive research design with a survey approach, a total of 23 samples were collected and tested. The results showed that six samples, or 26%, contained formal--dehyde, with concentrations ranging from 0.125 ppm to 1.071 ppm. The highest formaldehyde level was found in sample JR18. The physical examination of contaminated samples revealed distinct characteristics that set them apart from uncontaminated ones. These samples had a firmer and more resilient texture, making them less susceptible to damage. In terms of appearance, they exhibited a paler yet more vibrant color compared to normal Jambal Roti. Moreover, the typical salty aroma that is characteristic of this fish was noticeably absent in the contaminated samples. These findings suggest that formaldehyde not only poses a health risk but also alters the physical and sensory qualities of Jambal Roti, affecting its overall quality as a food product. The presence of formaldehyde in food products is a serious concern, as it compromises both consumer safety and the reputation of the product. This study underscores the importance of stricter monitoring and regulation of food safety in traditional markets to prevent the distribution of contaminated food items like Jambal Roti, ensuring that consumers are not exposed to harmful chemicals.
Identifikasi Senyawa Volatil Aroma pada Daun Lokio (Allium chinense G Don) Selama Penyimpanan Suhu Ruang Kumalasari, Dianita; Brahmanti, Ajeng Astrini
Jurnal Teknologi Pangan Vol 19, No 1 : JUNI 2025
Publisher : UPN VETERAN JAWA TIMUR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jtp.v19i1.5285

Abstract

Daun lokio (Allium chinense G. Don) merupakan salah satu bahan rempah yang dikenal memiliki aroma khas dan banyak digunakan sebagai bumbu penyedap dalam kuliner Indonesia. Aroma khas tersebut berasal dari senyawa volatil dan asam amino bebas yang terdapat dalam jaringan daunnya. Penelitian ini bertujuan untuk mengkaji perubahan profil senyawa volatil daun lokio selama penyimpanan pada suhu ruang (25–30 °C) guna mengevaluasi stabilitas aromanya. Analisis senyawa volatil dilakukan menggunakan Gas Chromatography-Mass Spectrometry (GC-MS). Hasil identifikasi menunjukkan bahwa senyawa volatil utama yang terdeteksi selama penyimpanan meliputi acetaldehyde, propanal, methanethiol, 2-methylpropanal, 3-methylbutanal, dimetil disulfida, dan dimetil trisulfida. Perubahan konsentrasi senyawa-senyawa tersebut menunjukkan kecenderungan penurunan kualitas aroma seiring bertambahnya waktu simpan. Temuan ini menegaskan bahwa penyimpanan pada suhu ruang tidak direkomendasikan untuk mempertahankan mutu sensoris daun lokio sebagai bahan rempah, mengingat tingginya volatilitas senyawa aromatiknya. Studi ini memberikan kontribusi terhadap pengembangan strategi pascapanen untuk menjaga kualitas rempah berbasis daun aromatik.
Co-Authors Agi Ramadhan Brahmanti, Ajeng Astrini Jariyah Ratna Yulistiani Yunita Satya Pratiwi