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Journal : agriTECH

Optimasi Formula Produk Gel Oles Berbahan Dasar Biji Selasih Menggunakan Teknik Response Surface Methodology Annisa Hayyu Fatmawati; Dede Robiatul Adawiyah; Nur Wulandari
agriTECH Vol 41, No 3 (2021)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (28.398 KB) | DOI: 10.22146/agritech.55833

Abstract

Biji selasih kering diketahui mengandung komponen hidrokoloid yaitu xylan dan glukomanan sehingga memiliki kemampuan membentuk gel bila dicampurkan dengan air. Salah satu pengembangan produk pangan yang dapat memanfaatkan biji selasih sebagai hidrokoloid adalah spreadable gel. Istilah spreadable gel merujuk pada produk selai yang sering digunakan sebagai bahan pengisi atau pelapis produk bakery. Perbedaan spreadable gel dengan selai adalah pada ingredient buah yang diganti dengan biji selasih. Penelitian ini dilakukan dengan rancangan D-Optimal Custom Design menggunakan metode Response Surface Methodology (RSM) secara eksperimental di laboratorium. Tujuan penelitian adalah menetapkan formulasi optimum produk spreadable gel yang memiliki nilai sineresis rendah dan dapat diterima oleh panelis. Penelitian ini menggunakan variabel bebas rasio biji selasih kering (g) : air (mL) (1:10-1:30), lama perendaman (30-90 menit), penambahan gula (30-50%), rentang pH (4-5), variasi perisa (leci dan jeruk), dan konsentrasi perisa (0,05%; 0,1%; 0,2%). Melalui optimasi diperoleh hasil yaitu spreadable gel biji selasih terbaik dengan formulasi rasio biji selasih kering (g) terhadap air (mL) 1:10, penambahan gula 30%, lama perendaman 48 menit, dan pH 5 dengan penambahan perisa jeruk 0,1% yang menghasilkan nilai viskositas maksimum 24800 cP yaitu mudah dioles pada roti, tingkat sineresis ±3% dan nilai sensori tingkat kesukaan pada angka rerata 6,39 skala suka. 
Sensory Profiling Evaluation and Panel Performance Test of Chocolate Ice Cream Premix Products Fransiska Utami; Dede Robiatul Adawiyah; Dias Indrasti
agriTECH Vol 43, No 4 (2023)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/agritech.70125

Abstract

The growth of the food and beverage industry in Indonesia is creating new opportunities for the ice cream sector, which experienced a remarkable 51.9% growth between 2013 and 2018. Nowadays, crafting ice cream at home has become convenient through the use of premixes, often added with chocolate flavor. Therefore, this study aimed to conduct a sensory profiling evaluation and panel performance test on chocolate ice cream mix powder products. Sensory analysis was used to analyze product quality, differences, and similarities, with humans as measurement tools. This study also employed a group of trained and reliable panelists for product testing. The sensory profile and performance of several chocolate ice cream premixes on the market were assessed with the quantitative descriptive analysis (QDA) method. The premix products considered were those registered with BPOM, and the analysis encompassed physical characteristics (overrun and melting rate) and sensory evaluation. Meanwhile, the panelist selection was based on ISO 8586 Year 2012. Panelist performance evaluation was conducted to determine their proficiency in sensory analysis, and the results obtained were analyzed using sensehub and XLSTAT. The QDA test results showed that PT XYZ chocolate ice cream premix was superior in all sensory attributes. However, the weaknesses identified in this premix were related to low overrun value and higher melting rate. The panelist performance evaluation indicated that panelists P1 to P9 needed retraining in discrimination skills. This is because although the panelists had a relatively good consistency, their discrimination ability showed insignificant results.
Co-Authors Agustin, Denny Ahmad Johari Akbar, Dzifiar Yasykuri Akbar, Dzifiar Yasykuri Alfiyani, Novi Amalia Rakhmadani Amalia Shabrina Ramadhani Anggrei Viona Seulalae Angka, Stephanie Anis Khairunnisa, Anis Annisa Hayyu Fatmawati Astri Hermeinasari Ayunda Rachmawati Azis Boing Sitanggang Bambang Pontjo Priosoeryanto Bendi Sabela Budi Nurtama C Hanny Wijaya Dahrul Syah Dase Hunaefi Dase Hunaefi Denny Agustin Desty Gitapratiwi Dewi Sartika Saragih Dian Herawati Dian Puspitasari Dias Indrasti Dias Indrasti Dwinawati, Elisabeth Efendi, Darda Eko Purnomo Eko Purnomo Eko Yuniarsih Elvira Syamsir Endang Prangdimurti Erniati, Erniati Febby Setiawan Felia Prima Wefiani Feri Kusnandar Florentina Maria Titin Supriyanti Fransisca Zakaria Rungkat Fransiska Rungkat Zakaria Fransiska Rungkat Zakaria Fransiska Utami Frido, Salsabila Safira Gitapratiwi, Desty Hanifah Nuryani Lioe Henni Rizki Septiana Hermeinasari, Astri Hoerudin Hoerudin Hoerudin Hoerudin Hunaefi, Dase Kaoru Kohyama Kariska Iswari Yasa Kezia Patricia Leonie Margaretha Widya Pangestika, Leonie Margaretha Widya Liber Liber Liliasari , Lilis Nuraida Lince Lince Lince Lince Lince Lince Malik Abdul Azis Maria Afrida Masykur, Siti Fauziyyah Melina Melina Melzer, Guido Miss Sathita Wisetsombat Mutiara Utami N. Nurjanah Namirah, Aisyah Maryam Ni Nyoman Puspawati Nova Kurnia Nugraha Edhi Suyatma Nur Wulandari Nur Wulandari Nur Wulandari Nuri Andarwulan Nurjanah Nurjanah Nurjanah Nurjanah Nurlela, Lani Olivia Mellyana Tjiptoputri Palupi, Nurheni Sri Patricia, Kezia Piyaporn Chueamchaitrakun Piyaporn Chueamchaitrakun Purwiyatno Hariyadi Putri, Permata Adinda Rahmawati, Medina Alia Ramlan Ramlan Reno Irwanto Ria Noviar Triana Rinaldi, Ahmad Rini Kesenja Rini Kesenja Rohani Islami SARASWATI SARASWATI Sari, Ulfiana Anika Sholehuddin, Zen Fauzan Siregar, Lerissa Aulia Siti Fauziyyah Masykur Stephanie Angka Subarna Subarna Sugiyono . Sugiyono Sugiyono Suliantari Suliantari Tiara Indra Saraswati Tjahja Muhandri Tomoko Sasaki Triana, Ria Noviar Ulfiana Anika Sari Uswatun Hasanah Utami, Mutiara Siska Putri Weinreich, Bernd Winiati Pudji Rahayu Yogi Karsono Yulianti Yulianti Zeller, Yves Henri Marie