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Journal : Communication in Food Science and Technology

Analisis Nilai pH dan Sensori Yoghurt dan Soyghurt dengan Proses Fermentasi yang Berbeda Yosi Syafitri; Syahrizal Nasution; Dina Fithriyani
Communication in Food Science and Technology Vol 1 No 1 (2022): Communication in Food Science and Technology, October Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Institut Teknologi Sumatera

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/cfst.v1i1.939

Abstract

Yoghurt is a milk product that lactic acid bacteria have fermented. Soyghurt drinks have gained popularity in recent years. Soyghurt is a fermented soymilk drink that tastes similar to yoghurt. Commercial starter cultures or back-sloping methods can make yoghurt and soyghurt. The purpose of this study was to compare the pH and sensory characteristics of yoghurt and soyghurt made using different production methods. Back-slope yoghurt, commercial yoghurt starter, back-slope soyghurt, and commercial starter soyghurt were the four treatments used in this study. The fermentation process was carried out at room temperature (27-30 °C) for 24 hours. Color, aroma, taste, and texture were all measured, as well as the pH value. The sample shows the product has a pH value between 4 and 5. The low pH value in yoghurt and soyghurt is due to the growth of lactic acid bacteria. Based on sensory analysis, commercial starter culture produced the best yoghurt and soyghurt rather than the back-slope method in sensory attributes of taste, aroma, and texture. In addition, the color of soyghurt products appeared to be darker than yoghurt products.
Analisis Cemaran Angka Lempeng Total, Angka Kapang Khamir, dan Salmonella pada Produk Ayam Geprek di Belakang Wisma ITERA Ditaria Al Hasanah; Syahrizal Nasution; Lita Lianti
Communication in Food Science and Technology Vol 3 No 1 (2024): Communication in Food Science and Technology, April Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Institut Teknologi Sumatera

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/cfst.v3i1.1812

Abstract

Ayam geprek merupakan produk olahan daging ayam yang dilumuri tepung melalui proses penggorengan untuk mendapatkan hasil yang renyah kemudian digeprek, dan dilengkapi dengan lalapan dan sambal. Ayam geprek mudah terkontaminasi apabila penyimpanannya tidak tepat. Kontaminasi tersebut dapat terjadi melalui kondisi lingkungan, penanganan bahan baku, pengolahan, dan sanitasi pekerja. Penelitian ini bertujuan untuk mengevaluasi nilai angka lempeng total, angka kapang khamir, dan Salmonella sp pada ayam geprek di empat penjual Wisma ITERA, kemudian nilai tersebut dibandingkan dengan standar SNI 7388:2009 dan BPOM No. 13 tahun 2019. Ruang lingkup penelitian ini meliputi uji angka lempeng total, angka kapang khamir, dan Salmonella sp di empat penjual ayam geprek belakang wisma ITERA dilakukan dua kali ulangan dan duplo. Data yang diperoleh dianalisis secara deskriptif. Hasil penelitian menunjukkan bahwa semua sampel yang diuji masih memenuhi standar SNI 7388:2009 dan BPOM No. 13 tahun 2019. Namun, hasil dari pengujian Salmonella sp diperoleh hasil yaitu terdapat dugaan Shigella dan dugaan Salmonella sp pada beberapa sampel.