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The Effect of Gembili Flour (Dioscorea esculenta L.) Substitution on Sensory Quality and Consumer Acceptance of Donuts Salsabila, Salwa; Nurlaela, Luthfiyah; Sulandari, Lilis; Ramadhani, Aji Fajar
Jurnal Pendidikan Tata Boga dan Teknologi Vol 7, No 1 (2026): Jurnal Pendidikan Tata Boga dan Teknologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jptbt.v7i1.27080

Abstract

Donuts are bakery products widely consumed by the public and are generally produced using wheat flour as the main ingredient. The high dependence on wheat flour encourages the utilization of local food resources as alternative raw materials, one of which is gembili flour (Dioscorea esculenta L.). This study aimed to examine the effect of gembili flour substitution on the sensory quality and consumer acceptance of donuts. The research employed a single-factor experimental design with five substitution levels: P1 (10%), P2 (20%), P3 (30%), P4 (40%), and P5 (50%). Sensory attributes evaluated included color, aroma, taste, and texture, while hedonic assessment consisted of color, aroma, taste, texture, and overall liking. The use of gembili flour influenced product characteristics due to its high starch content and the absence of gluten, which affected dough structure, elasticity, and the final texture of the donuts. Data were analyzed using One Way Analysis of Variance (ANOVA) followed by Duncan’s multiple range test at a 5% significance level. The findings indicated that the level of substitution significantly affected sensory quality and consumer acceptance. Treatments P1 and P2 achieved the highest scores and showed no significant differences for most parameters, whereas higher substitution levels tended to reduce product acceptability. Therefore, gembili flour substitution up to 10-20% is considered optimal for producing donuts with acceptable sensory quality and consumer preference.
Development Of Hots-Based Test Questions Wayground On Basic Food Processing Techniques In Culinary Vocational School Fajriah, Elok; Pangesthi, Lucia Tri; Nurlaela, Luthfiyah; Putri, Diwyacitta Antya
Jurnal Pendidikan Tata Boga dan Teknologi Vol 7, No 1 (2026): Jurnal Pendidikan Tata Boga dan Teknologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jptbt.v7i1.27174

Abstract

The availability of assessment instruments that measure Higher Order Thinking Skills in basic food processing techniques is still limited. Therefore, an appropriate instrument is needed to evaluate students’ higher-order thinking abilities. This study aimed to develop and examine the quality of a HOTS-oriented test instrument on basic food processing techniques. The research employed a Research and Development (R&D) method using the 4D model (define, design, develop, and disseminate). The test was implemented through Wayground, an online interactive learning platform used to create and administer digital quizzes and assessments. The research subjects consisted of 59 students. Data analysis included item validity using Product Moment correlation, reliability using Cronbach’s Alpha, as well as analysis of item difficulty, discrimination index, distractor effectiveness, and completion time. The results indicated that 28 out of 55 items (50.9%) were valid. The reliability coefficient reached 0.81, categorized as very high. The difficulty level was dominated by moderate items (57%), followed by easy (39.5%) and difficult items (3.5%). The discrimination index showed fair (32%), good (43%), and very good (25%) categories. Distractor effectiveness was mostly in the good (57%) and very good (25%) categories. The fastest average completion time was 22 seconds, while the longest was 1 minute and 17 seconds. These results indicate that the instrument is feasible for measuring students’ higher-order thinking skills in basic food processing techniques.
Co-Authors A. Grummy Wailanduw Agus Budi Santosa Akhmad Mustaming, Akhmad Annisa Nur'aini Ariyono Setiawan Aulia Bayu Yushila Bayu Yushila, Aulia Diwyacitta Antya Putri Diwyacitta Antya Putri, Diwyacitta Antya EKO HARIADI Ekohariadi Eppy Yundra Eppy Yundra, Eppy Euis Ismayati Fadilla, Niki Fadillah, Anjar Isna Fajriah, Elok Fitriana Nugraheni, Fitriana Ganmawati, Aisyah Gita Miranti, Mauren Hanif Naufal Ahmi Hanif Naufal Ahmi Heri Sudarmaji Hikmah, Yuniar Fitria Hippj, Vony F.S Hartini hudayah, Tri Erni I Gusti Putu Asto Buditjahjanto I.G.P. Asto Buditjahjanto Ida Ayu Putu Sri Widnyani Irra Chrisyanti Dewi Ismet Basuki Ita Fatkhur Romadhoni Jenar, Saptono Keken Lokosari Khoirul Roziqin Kusstianti, Nia Laela Muliana Lailatul Hanifi Rahmah Latifahtur Rahmah Levina Apriyeni Wijaya Lilik Anifah lilis Sulandari LUCIA TRI PANGESTHI Lukitasari, Febriani Ma'ani, Hasman Marniati Marniati, Marniati Maspiah, Maspiah Maspiyah Maspiyah Maspiyah Maspiyah Mauren Gita Miranti Mediatrix Tu'baran Megasari, Dindy Sinta MEI ROSSA, ITA Meini Sondang Meini Sondang Meini Sondang Sumbawati Mochamad Cholik Mochammad Imron Awalludin Mohamad Syamsul Huda Mohd Yusof Bin Kamaruzaman Munoto Munoto Munoto, Munoto Munoto, Munoto Muslim, Supari . Nur Azizah, Anistian Nur, Mohamad Nurfatimah, Ratna Palupi Nurul Farikhatir Rizkiyah Pangesthi, Lucia Tri PERMANA PUTRA, ARIZKA Permata, Tri Wahyuni Indah Pradani, Rizky Yulianingrum Puput Wanarti Rusimamto Purwaningtyas, Kezia Eka rahmah, latifahtur Raida Amelia Ifadah Ramadhani, Aji Fajar Ramdhani, Rommy Mochamad Ratna Palupi Nurfatimah Ratna Palupi Nurfatimah Ratna Suhartini Risnanda Fadhilla, Aisya Rita Ismawati Rommy Mochamad Ramdhani Rommy Mochammad Ramdhani Rubiyati Rubiyati Sabil , M. Asnawi Safira Damayanti Salim Salim Salsabila, Salwa Sari, Fadlilah Indira Sari, Widianti Mafika Satriawati, Asti Sa’diyah, Dewi Fitrotus Setiawan, Ariyono Shania Mashunna, Noor Sri Handajani Sri Handajani Sri Setyo Iriani Sriyani Sriyani Tri Rijanto Tri Rijanto Ulil Hartono Wahini, Meda WAHONO, AGUNG WIJANARKO, SETIAWAN Winiasri, Linda Yeni Anistyasari Zuhrie, M. Syariffuddien