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Mardiah
Magister Teknologi Pangan, Universitas Djuanda, Bogor, Jl. Tol Ciawi No.1, Kotak Pos 35 Ciawi, Bogor, 16720.

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Deteksi Cepat Formalin Menggunakan Zat Warna Kelopak Bunga Rosella ((Hibiscus Sabdariffa L.) Pada Berbagai Produk Pangan Basah Desi Tirtawati; Mardiah; Siti Irma Rahmawati
JURNAL AGROINDUSTRI HALAL Vol. 11 No. 1 (2025): Jurnal Agroindustri Halal
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/jah.v11i1.15681

Abstract

One of the dangerous substances still used in food goods as a preservative is formalin. The public finds it challenging to identify food products that contain formalin because formalin testing has so far been done in labs using chemical reagents. Formalin may be identified using anthocyanin dyes, according to the findings of multiple studies. Anthocyanin dyes are reported to be present in rosella flowers. Finding out if rosella flower extract can be utilized to detect formalin in different wet food products was the aim of this investigation. Using water and ethanol solvents, fresh rosella flower petal extract and dried rosella were prepared in different ratios of 1: 4, 1: 6, and 1: 8. The resulting food product samples were then tested on white tofu, lontong, and yellow noodles. The color changes that transpired in samples that were provided liquid rosella flower petal extract and the paper kit test were used to conduct qualitative observations. Formalin identification was analyzed by comparing the qualitative and quantitative findings of laboratory tests. The study's findings demonstrated that food samples containing formalin with a pH of greater than 8 underwent a color shift. In the paper kit test of fresh Rosella flower petal extract, the red color turned yellow and went from red to greenish blue. While the results of observations of color changes using dried rosella flower petal extract were more difficult to detect because the color was too thick. The fresh rosella flower petals ethanol extract with a 1:8 ratio produced the best results.
Senyawa Volatil Daging Celeng (Sus scrofa vittatus) dengan Berbagai Pengolahan Menggunakan Metode SPME-GC/MS Lia Amalia; Noli Novidahlia; Intan Kusumaningrum; Sahnur Mulya; Mardiah; Aji Jumiono; Arshyla Eliska; Muhamad Fauzi Ramadhan; Nurfitri Lidiyani
JURNAL AGROINDUSTRI HALAL Vol. 11 No. 1 (2025): Jurnal Agroindustri Halal
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/jah.v11i1.18382

Abstract

Food adulteration involving the mixing of non-halal meat into halal products is a sensitive issue in Indonesia. Wild boar meat (Sus scrofa vittatus) is often found to be used in such practices, making it essential to identify its volatile compound profile. This study aims to identify volatile compounds in wild boar meat processed through boiling, frying, and roasting, using Solid-Phase Microextraction (SPME) combined with Gas Chromatography-Mass Spectrometry (GC-MS). The research was conducted qualitatively with three treatments and five replications for each cooking method. The analysis showed that boiled wild boar meat contained 156 volatile compounds, fried meat 142 compounds, and roasted meat 163 compounds, with total intensities of 779, 691, and 819, respectively. Principal Component Analysis (PCA) yielded an R²X value of 0.842 and a cumulative Q² of 0.747, indicating clear separation between samples. The main contributing volatile compounds were 2-Octenal (E)-, Longifolene, and Cyclopropyl carbinol.
Co-Authors Aji Jumiono Arshyla Eliska Desi Tirtawati Intan Kusumaningrum Lia Amalia Muhamad Fauzi Ramadhan Noli Novidahlia Nurfitri Lidiyani Sahnur Mulya Siti Irma Rahmawati