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All Journal Jurnal Gizi dan Pangan Buletin Udayana Mengabdi Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Jurnal Santiaji Pendidikan (JSP) JUIMA : Jurnal Ilmu Manajemen BIOTIK: Jurnal Ilmiah Biologi Teknologi dan Kependidikan Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Jurnal Pendidikan Matematika RAFA Jurnal Bakti Saraswati Jurnal Bahasa Rupa Jurnal Teknologi Pertanian (Agricultural Technology Journal) Muqtasid: Jurnal Ekonomi dan Perbankan Syariah J Statistika : Jurnal Ilmiah Teori Dan Aplikasi Statistika Jurnal Delima Harapan Journal of Information Technology and Computer Engineering Interdental Jurnal Kedokteran Gigi (IJKG) Syntax Idea Jurnal Agrium JURNAL ILMIAH SIMANTEK Jurnal Penelitian Iqtishadia: Jurnal Kajian Ekonomi dan Bisnis Islam JIKEM: Jurnal Ilmu Komputer, Ekonomi dan Manajemen Jurnal Gastronomi Indonesia Prosiding Seminar Nasional Sisfotek (Sistem Informasi dan Teknologi Informasi) Jurnal Psikologi Pendidikan dan Konseling PEKBIS Itepa : Jurnal Ilmu dan Teknologi Pangan

Ni Luh Ari Yusasrini

Program StudiAgroekoteknologi, FakultasPertanian, UniversitasMalikussaleh

Author-ID : 3299824

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Academic self-concept, teacher’s supports and student’s engagement in the school Nur Saqinah Galugu; Samsinar Samsinar
Jurnal Psikologi Pendidikan dan Konseling: Jurnal Kajian Psikologi Pendidikan dan Bimbingan Konseling Volume 5 Number 2 December 2019
Publisher : Program Studi bimbingan Konseling PPs UNM Makassar

Students' engagement in school is a condition where the students can engage in learning activity well, it seems by the students' ability and willingness to engage in the school activity. This research aims to examine the role of academic self-concept as the moderate variable on the relationship between teacher's support and students' engagement in school. This research uses qualitative through the correlational method. Students' engagement is measured by the student's engagement at school questionnaires (SESQ). While the teacher's support is measured by the perceived teacher academic support scale (PTASS). Academic self-concept is a moderate variable that is measured by using the academic self-concept scale (ASC) by measure on two aspects namely students' confidence and students' effort in the academic aspect. Testing hypotheses have one by using moderated regression analysis (MRA). The results show that the relationship between the teacher's support and students' engagement in school is increasingly strengthened by the presence of academic self-concept as a moderated variable. Teacher's supports such as emotional supports in the learning process can enhance academic self-concept positively. The positive self-concept among the students encourage to develop student's self-regulation and achievement academic and automatically increase student's engagement in the learning process.

ANALSIS NILAI TAMBAH KERIPIK BUAH DI KECAMATAN TAMBANG KABUPATEN KAMPAR Ermi Tety; Samsul Kamal
PEKBIS Vol 8, No 3 (2016)
Publisher : Program Studi Pendidikan Ekonomi Universitas Riau

This research used descriptive analysis, cost and income analysis, business efficiency (RCR) analysis, and added value analysis with Hayami method. The result showed that pineapple chips and jackfruit chips agroindustrial business already profitable. An average of 12 businessman ear net income of pineapple chips and jackfruit chips each of Rp. 8.350.062,26 per month and Rp. 1.243.240,79 per month. The processing efficiency of pineapple and jackfruit into pineapple chips and jackfruit chips each of 1,37 dan 1,85. The added value for pineapple processing into pineapple chips is Rp. 2.389,30 with ratio of added value to production equal to 42,79% and added value for jackfruit processing into jackfruit chips is Rp. 15.575,51 with ratio of added value to production equal to 71,61%.

Perubahan Kadar Malondialdehid Hati Dan Ginjal Tikus Diabetik Yang Diberi Diet Rumput Laut Caulerpa Racemosa N. L. A Yusasrini; I. D. G Mayun Permana
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 8 No 1 (2021): Scientific Journal of Food Technology (March)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Caulerpa racemosa seaweed is a type of seaweed that can be used as an antidiabetic. Previous studies have shown that Caulerpa. sp. was able to reduce blood glucose levels and showed the regeneration of pancreatic ? cells in diabetic rats. The purpose of this study was to determine the effect of C. racemosa seaweed diet on liver and kidney malondialdehyde levels in diabetic rats. The research stages began with chemical analysis of C. rasemosa seaweed flour and continued with bioassay testing. The analysis included proximate analysis, fiber, total phenol and antioxidant activity of C. rasemosa seaweed, analysis of blood sugar in serum and malondialdehyde (MDA) in the liver and kidneys. Results showed that C. rasemosa seaweed flour contained 11.37% water, 23.24% of ash content, 12.84% of protein, 2.02% of fat, 50.45% of carbohydrate by different, 6.35% of crude fiber, total phenol 2785 mg GAE / g, and 15.68% of antioxidant activity. Diet of C. rasemosa seaweed flour for 30 days was able to reduce blood glucose levels by 53.12% in the diabetic rat group. Liver MDA levels in the group of diabetic rats fed a diet C. rasemosa decreased 17.79% compared to the control group. Renal MDA levels in the diabetic rat group fed a diet of C. rasemosa seaweed were still higher than the control group but 15.53% lower than the diabetic group fed standard diet.

Lipid Profile Improving Effect of Tenggulun Leaf (Protium javanicum) Tea Powder in Rats Fed with High-Fat Diet Yusasrini, Ni Luh Ari; Darmayanti, Luh Putu Trisna
Jurnal Gizi dan Pangan Vol. 17 No. 2 (2022)
Publisher : The Food and Nutrition Society of Indonesia in collaboration with the Department of Community Nutrition, IPB University

The objective of this research was to determine the effect of tenggulun leaf tea powder in improving lipid profile in rats fed with high fat diet. We developed a tenggulun leaf tea powder and did a biochemical analysis. The in vivo study was conducted using 18 male Wistar rats grouped into three different diets, Control-Standard Feed (CSF) group, Hypercholesterol-Standard Feed (HSF) group and Hypercholesterolemia-Tenggulun Feed (HTF) group. The treatment was given for 30 days in all groups. Biochemical analysis showed that tenggulun leaf tea powder contains various cholesterol lowering substance such as dietary fibre (42.73%), phenolic content (9.42 mg GAE/g), tannins (10.80 mg TAE/g), flavonoids content (1.81 mg QE/g), and it also showed antioxidant activity (IC50 value of 67.20 ppm). In vivo analysis after treatment showed that there was no significant difference in total cholesterol levels between the HSF and HTF groups. However, in the HTF group there was a decrease in total cholesterol levels from the initial level by 16.48%. In addition, the HTF group had significantly higher HDL and lower LDL level compared to the HSF. The administration of tenggulun leaf tea powder for 30 days showed a significant effect on Low-Density Lipoprotein (LDL) and High-Density Lipoprotein (HDL) cholesterol levels, but not on serum Triglyceride (TG) levels. Therefore, the tenggulun leaf tea powder showed a significant effect in improving lipid profile in rats fed with high fat diet.

Pengaruh Perbedaan Media Rendaman terhadap Karakteristik Sensoris dan Fisikokimia Nori Rumput Laut Ulva Lactuca dan Eucheuma Cottonii Jason P Kenardi; Marito G. Sitanggang; Luh Dian Rna Fajarini; Ni Luh Ari Yusasrini
Jurnal Teknologi Pertanian (Agricultural Technology Journal) Vol 16 No 2 (2025): Jurnal Teknologi Pertanian (Agricultural Technology Journal)
Publisher : Jurnal Teknologi Pertanian (Agricultural Technology Journal)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jteta.v16i2.65813

This study aimed to evaluate the effects of different soaking media mineral water, rice-wash water, 1% Ca(OH)₂, and 1% citric acid on the sensory, chemical, and physical qualities of nori produced from a mixture of Ulva lactuca (95%) and Eucheuma cottonii (5%). The results showed that the soaking treatments had a significant effect on the color, aroma, flexibility, crispness, moisture content, and hardness of the nori. The mineral-water treatment produced the best overall performance, with the lowest moisture content (3.01%), the highest flexibility score (3.03), and the highest panelist acceptance score (3.58). The 1% Ca(OH)₂ treatment provided the best green-color stability (a* –7.00) and the lowest hardness (9.847 N), whereas the 1% citric acid treatment resulted in the most degraded coloration (a* 2.70) and the highest hardness (21.076 N). Differences among treatments were influenced by pH-driven modifications of polysaccharide structures, ionic interactions, and depolymerization mechanisms. Overall, rice-wash water was identified as the most effective soaking medium for improving the quality of locally produced nori made from U. lactuca and E. cottonii.

Pengaruh Waktu Ekstraksi Dengan Metode Microwave Assisted Extraction (Mae) Terhadap Aktivitas Antioksidan Ekstrak Daun Ungu (Graptophyllum Pictum L.Griff) I Nyoman Adi Wibawa; Ni Luh Ari Yusasrini; I Gede Arie Mahendra Putra
Itepa : Jurnal Ilmu dan Teknologi Pangan Vol. 14 No. 3 (2025): ITEPA
Publisher : Study Program of Food Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/itepa.2025.v14.i03.p01

Abstract Phenolic secondary metabolite compounds such as flavonoids and anthocyanins contained in purple leaves function as antioxidants. One of the antioxidant properties of ethanol extract of purple leaves is the ability to capture DPPH free radicals. A possible method to obtain these compounds is Microwave Assisted Extraction (MAE). The MAE method is a method that utilizes rapid and efficient solvent heating involving microwave radiation. Extraction time is a factor that can affect antioxidant activity. Research on purple leaf extract using MAE method aims to determine the right extraction time in producing the highest antioxidant activity and the effect of purple leaf extraction time on antioxidant activity. This study uses a complete randomized design (CRD) with extraction time treatment consisting of five levels, namely; 1, 3, 5, 7 and 9 minutes. The treatment was repeated three times to obtain an experiment of 15 units. The data obtained were analyzed using variance analysis and the treatment influenced the test parameters followed by Duncan Multiple Range Test (DMRT). The results showed that the extraction time on purple leaves using the MAE method had a very significant effect on yield, total flavonoids, total phenols, total anthocyanins and IC50. Extraction time of 5 minutes can produce extracts with the highest antioxidant activity based on IC50 of 75.07 ppm and classified as strong antioxidants, yield of 37.74%, total phenols 56.06 mg GAE/g, total flavonoids 15.06 mg QE/g and total anthocyanins 43.29 mg/L. Keywords: Antioxidant, Purple leaves, Microwave Assisted Extraction, Time, Extraction Abstrak Senyawa metabolit sekunder golongan fenol seperti flavonoid dan antosianin yang terkandung dalam daun ungu berfungsi sebagai antioksidan. Salah satu sifat antioksidan ekstrak etanol daun ungu adalah kemampuan untuk menangkap radikal bebas DPPH. Metode yang digunakan untuk mendapatkan senyawa tersebut adalah Microwave Assisted Extraction (MAE). Metode MAE merupakan salah satu proses memanfaatkan radiasi gelombang mikro dengan cara memanaskan pelarut secara cepat dan efisien. Waktu ekstraksi merupakan faktor yang dapat mempengaruhi aktivitas antioksidan. Penelitian ekstrak daun ungu menggunakan metode MAE bertujuan untuk menentukan waktu ekstraksi yang tepat dalam menghasilkan aktivitas antioksidan tertinggi dan pengaruh waktu ekstraksi daun ungu terhadap aktivitas antioksidan. Penelitian ini menggunakan rancangan acak lengkap (RAL) dengan perlakuan waktu ekstraksi yang terdiri dari lima taraf, yaitu; 1,3,5,7 dan 9 menit. Perlakuan diulang sebanyak tiga kali hingga diperoleh 15 unit percobaan. Data yang didapat dianalisis menggunakan sidik ragam dan perlakuan berpengaruh terhadap parameter uji dilanjutkan dengan Duncan Multiple Range Test (DMRT). Hasil penelitian menunjukan bahwa waktu ekstraksi pada daun ungu menggunakan metode MAE menunjukkan pengaruh sangat nyata terhadap rendemen, total flavonoid, total fenol, total antosianin dan IC50. Ekstraksi waktu 5 menit mampu menghasilkan ekstrak dengan aktivitas antioksidan tertinggi berdasarkan IC50 sebesar 75,07 ppm dan tergolong antioksidan kuat, rendemen 37,74%, total fenol 56,06 mg GAE/g, total flavonoid 15,06 mg QE/g dan total antosianin 43,29 mg/L. Kata kunci: Antioksidan, Daun ungu, Microwave Asissted Extraction, Waktu, Ekstraksi

Pengaruh Perbandingan Tepung Talas Beneng (Xanthosoma undipes K.Koch) Dengan Maizena Terhadap Karakteristik Nuget Ikan Tuna (Thunnus sp.) Ni Putu Bunga Sari Widyani; I Nengah Kencana Putra; Ni Luh Ari Yusasrini
Itepa : Jurnal Ilmu dan Teknologi Pangan Vol. 14 No. 3 (2025): ITEPA
Publisher : Study Program of Food Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/itepa.2025.v14.i03.p07

Abstract Fish nuggets are a popular ready-to-eat food, usually made with wheat flour and cornstarch as fillers and binders. However, the gluten in wheat flour is known to trigger celiac disease, thus encouraging the exploration of alternative flours such as beneng taro flour. This study aims to evaluate the effect of variation in the ratio of beneng taro flour and cornstarch on the physicochemical and sensory characteristics of tuna fish nuggets and to identify the optimal ratio to produce the best nuggets. This study was designed with a simple Complete Random Design (RAL) with the ratio of beneng taro flour and cornstarch (70%:30%, 75%:25%, 80%:20%, 85%:15%, and 90%:10%) as the treatment. The results showed that the treatment significantly affected sensory properties, hardness, ash content, protein content, fat content, and carbohydrate content but did not significantly impact moisture content. The sensory test showed that the tuna fish nuggets that the panelists liked the most were those produced from the formulation of a comparison of beneng taro flour and cornstarch 80%:20% with the average preference value on the color somewhat preferred, and the aroma, taste, texture, and overall acceptance were preferred. This formulation produces tuna fish nuggets with the following characteristics: hardness 8.59 N, moisture content 21.21%, ash content 2.19%, protein content 24.98%, fat content 15.50%, and carbohydrate content 36.12%. These findings indicate that the optimal ratio of beneng taro flour and cornstarch to produce gluten-free tuna fish nuggets with the desired characteristics is 80%:20%. Keywords: cornstarch, nugget, beneng taro flour, tuna Abstrak Nugget ikan merupakan makanan siap saji yang populer, biasanya dibuat dengan tepung terigu dan tepung maizena sebagai pengisi dan pengikat. Namun, gluten dalam tepung terigu diketahui dapat memicu penyakit celiac, sehingga mendorong eksplorasi tepung alternatif seperti tepung talas beneng. Penelitian ini bertujuan untuk mengevaluasi pengaruh variasi rasio tepung talas beneng dan tepung maizena terhadap karakteristik fisikokimia dan sensori nugget ikan tuna dan untuk mengidentifikasi rasio optimal untuk menghasilkan nugget terbaik. Penelitian ini dirancang Rancangan Acak Lengkap (RAL) sederhana dengan rasio tepung talas beneng dan tepung maizena (70%:30%, 75%:25%, 80%:20%, 85%:15%, dan 90%:10%) sebagai perlakuan. Hasil penelitian menunjukkan bahwa perlakuan secara signifikan mempengaruhi sifat sensori, kekerasan, kadar abu, kadar protein, kadar lemak, dan kadar karbohidrat, tetapi tidak berdampak signifikan terhadap kadar air. Uji sensori menunjukkan nuget ikan yang paling disukai panelis adalah yang dihasilkan dari formulasi perbandingan tepung talas beneng dan tepung maizena 80%:20% dengan rata-rata nilai kesukaan pada warna agak disukai, serta aroma, rasa, tekstur, dan penerimaan keseluruhan disukai. Formulasi ini menghasilkan nuget ikan tuna dengan karakteristik berikut: kekerasan 8,59 N, kadar air 21,21%, kadar abu 2,19%, kadar protein 24,98%, kadar lemak 15,50%, dan kadar karbohidrat 36,12%. Temuan ini mengindikasikan bahwa perbandingan tepung talas beneng dan tepung maizena optimal untuk menghasilkan nugget ikan tuna bebas gluten dengan karakteristik yang diinginkan adalah 80%:20%. Kata Kunci: maizena, nuget, talas beneng, tuna

Pengembangan Minuman Tradisional ‘Loloh Cemcem’ Menjadi Minuman Instan Yang Berpotensi Sebagai Pangan Fungsional Sumber Antioksidan Ni Kadek Alit Wirastuti; Gusti Ayu Kadek Diah Puspawati; Ni Luh Ari Yusasrini
Itepa : Jurnal Ilmu dan Teknologi Pangan Vol. 14 No. 3 (2025): ITEPA
Publisher : Study Program of Food Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/itepa.2025.v14.i03.p13

Abstract Loloh cemcem is a traditional Balinese drink made from cemcem leaves (Spondias pinnata (L.f) Kurz), commonly consumed fresh and offering health benefits. The innovation of loloh cemcem in instant powder form simplified preparation and allowed the product to be consumed over a longer period of time. However, further research was needed regarding the combination of coating agents such as maltodextrin and gum arabic, as their usage varied depending on the characteristics of each ingredient. The objective of this study was to determine the effect of the maltodextrin and gum arabic ratio on the characteristics of instant loloh cemcem powder, as well as to identify the optimal ratio of maltodextrin and gum arabic to achieve the best characteristics. The study used a completely randomized design (CRD) with maltodextrin and gum arabic ratio treatments consisting of 5 levels (5:0, 4:1, 3:2, 2:3, and 1:4), each level repeated 3 times. Data were analyzed using Analysis of Variance (ANOVA) and post-hoc tests with Duncan’s Multiple Range Test (DMRT). The analysis of loloh cemcem instant powder showed that the maltodextrin and gum arabic ratio significantly affected (P<0.05) moisture content, ash content, total phenols, antioxidant activity, encapsulation efficiency, loading capacity, and sensory acceptability. The maltodextrin and gum arabic ratio of 2:3 (P3) produced the best characteristics with moisture content of 3.70%, ash content of 1.47%, total phenols of 66.93 mg GAE/100g, antioxidant activity of 74.84%, encapsulation efficiency of 53.03%, loading capacity of 35.49%, dissolution time of 51.70 seconds, and sensory preference for color, aroma, taste, and overall acceptance with values of 5.44, 5.20, 4.96, and 5.08, respectively. Keywords: gum arabic, loloh cemcem, maltodextrin, instant powder. Abstrak Loloh cemcem merupakan minuman tradisional khas Bali yang berbahan dasar daun cemcem (Spondias pinnata (L.f) Kurz), biasa dikonsumsi dalam bentuk segar dan memiliki manfaat Kesehatan. Inovasi loloh cemcem dalam bentuk serbuk instan dapat memberikan kemudahan dalam penyajian serta memungkinkan produk dikonsumsi dalam jangka waktu yang lebih lama. Inovasi loloh cemcem dalam bentuk serbuk instan dapat memberikan kemudahan dalam penyajian dan dapat dinikmati dalam jangka lebih lama. Namun, diperlukan kajian lebih lanjut terkait kombinasi bahan penyalut seperti maltodekstrin dan gum arab, karena penggunaannya masih bervariasi tergantung pada karakteristik masing-masing bahan. Tujuan penelitian ini yaitu mengetahui pengaruh dari rasio maltodekstrin dan gum arab terhadap karakteristik serbuk instan loloh cemcem, serta menentukan rasio maltodekstrin dan gum arab yang tepat untuk menghasilkan karakteristik terbaik. Penelitian menggunakan Rancangan Acak Lengkap (RAL) dengan perlakuan rasio maltodekstrin dan gum arab yang terdiri dari 5 taraf (5:0, 4:1, 3:2, 2:3, dan 1:4), setiap taraf dilakukan 3 kali pengulangan. Data dianalisis menggunakan Analysis of Variance (ANOVA) dan uji lanjut dengan Duncan’s Multiple Range Test (DMRT). Hasil analisis serbuk instan loloh cemcem menunjukkan bahwa rasio maltodekstrin dan gum arab berpengaruh nyata (P<0,05) terhadap kadar air, kadar abu, total fenol, aktivitas antioksidan, efisiensi enkapsulasi, loading capacity, dan kesukaan sensoris. Rasio maltodekstrin dan gum arab 2:3 (P3) menghasilkan karakteristik terbaik dengan kadar air 3,70%, kadar abu 1,47%, total fenol 66,93 mg GAE/100g, aktivitas antioksidan 74,84 %, efisiensi enkapsulasi 53,03%, loading capacity 35,49%, waktu larut 51,70 detik serta kesukaan sensori pada warna, aroma, rasa, dan penerimaan keseluruhan disukai dengan nilai berturut-turut 5,44; 5,20; 4,96; 5,08. Kata kunci: gum arab, loloh cemcem, maltodekstrin, serbuk instan.

Karakteristik Konsentrat Protein Biji Labu Kuning (Cucurbita moschata ex poir) pada Berbagai pH Pelarut Ni Putu Desva Mardany; Ni Luh Ari Yusasrini; Ni Nyoman Puspawati
Itepa : Jurnal Ilmu dan Teknologi Pangan Vol. 14 No. 4 (2025): ITEPA
Publisher : Study Program of Food Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/itepa.2025.v14.i04.p07

Abstract Protein concentrate is a product of protein isolation made from food ingredients and is known to have high protein content. Pumpkin seeds (Cucurbita moschata ex poir) are vegetable waste that have a fairly high protein content which is known to be used as a protein concentrate. Factors such as solvent pH in the manufacture of protein concentrate are also important to consider in order to obtain optimum protein content from pumpkin seeds. This study aims to determine the effect of solvent pH on the characteristics of pumpkin seed protein concentrate and determine the right solvent pH in protein isolation so that it can produce pumpkin seed protein concentrate with the best characteristics. The design used in this study was a Completely Randomized Design consisting of 6 levels of solvent pH treatment, namely pH 7, pH 8, pH 9, pH 10, pH 11 and pH 12. The data obtained were analyzed using Analysis of Variance (ANOVA) and treatments that influenced the parameters were continued with the Duncan Multiple Range Test (DMRT). The results showed that the pH of the solvent had a significant effect (P<0.05) on the yield, water content, ash content, protein content, fat content and brightness. The best protein concentrate treatment was obtained at pH 11 (P5) with characteristics of 29.26% yield; 8.85% water content; 1.75% ash content; 67.4% protein content; 17.52% fat content and obtained 15 types of amino acids with arginine as the highest essential amino acid of 170.96 ppm and glutamate as the highest non-essential amino acid of 99.65 ppm. Keywords: Pumpkin Seeds, Protein Concentrate, Solvent pH Abstrak Konsentrat protein merupakan produk hasil isolasi protein yang terbuat dari bahan pangan dan diketahui memiliki kandungan protein tinggi. Biji labu kuning (Cucurbita moschata ex poir) merupakan limbah nabati yang memiliki kandungan protein cukup tinggi yang diketahui dapat dimanfaatkan sebagai konsentrat protein. Faktor seperti pH pelarut alam pembuatan konsentrat protein juga penting diperhatikan untuk memperoleh kandungan protein dari biji labu kuning secara optimum. Penelitian ini bertujuan untuk mengetahui pengaruh pH pelarut terhadap karakteristik konsentrat protein biji labu kuning dan menentukan pH pelarut yang tepat dalam isolasi protein sehingga dapat menghasilkan konsentrat protein biji labu kuning dengan karakteristik terbaik. Rancangan yang digunakan dalam penelitian ini adalah Rancangan Acak Lengkap yang terdiri dari 6 taraf perlakuan pH pelarut, yaitu pH 7, pH 8, pH 9, pH 10, pH 11 dan pH 12. Data yang diperoleh dianalisis menggunakan analisis ragam (ANOVA) dan perlakuan yang berpengaruh terhadap parameter dilanjutkan dengan uji berjarak ganda Duncan (DMRT). Hasil penelitian menunjukkan bahwa pH pelarut berpengaruh nyata (P<0,01) terhadap rendemen, kadar air, kadar abu, kadar protein, kadar lemak dan kecerahan. Perlakuan konsentrat protein terbaik diperoleh pada perlakuan pH 11 (P5) dengan karakteristik rendemen 29,26%; kadar air 8,85%; kadar abu 1,75%; kadar protein 67,4%; kadar lemak 17,52% dan memperoleh 15 jenis asam amino dengan arginin sebagai asam amino esensial tertinggi sebesar 170,96 ppm dan glutamat sebagai asam amino non esensial tertinggi sebesar 99,65 ppm. Kata Kunci: Biji Labu Kuning, Konsentrat Protein, pH Pelarut

Pengaruh Perbandingan Tepung Ubi Jalar Ungu (Ipomoea batatas L.) Dan Tepung Kacang Hijau (Vigna radiata) Terhadap Karakteristik Crackers Carroline Silvera Astri Sugiarto; I Nengah Kencana Putra; Ni Luh Ari Yusasrini
Itepa : Jurnal Ilmu dan Teknologi Pangan Vol. 15 No. 2 (2026): ITEPA
Publisher : Study Program of Food Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/itepa.2026.v15.i02.p06

Crackers are food products that are generally made from wheat flour, which is high in carbohydrates but low in protein and crude fiber. This study aims to determine the effect of the ratio of purple sweet potato flour and mung bean flour on the sensory, chemical, and physical characteristics, as well as the appropriate ratio to produce crackers with the best formulation. The experimental design used a completely randomized design (CRD) with five levels of purple sweet potato flour and mung bean flour ratios, namely 90:10, 80:20, 70:30, 60:40, and 50:50, and was repeated three times. The parameters observed included moisture content, protein content, crude fiber content, fat content, ash content, carbohydrate content, texture test (hardness), color test, and sensory test (texture, color, taste, aroma, overall acceptance, and crispness). The data were analyzed using ANOVA and followed by Duncan's Multiple Range Test (DMRT) if there was a significant effect. The results showed that the ratio of purple sweet potato flour to mung bean flour had a significant effect on sensory, chemical, and hardness characteristics. The best formulation was obtained in treatment P3 (70% purple sweet potato flour: 30% mung bean flour) with a moisture content of 4.97%, protein content of 13.97%, crude fiber content of 14.76%, ash content of 2.11%, fat content of 12.52%, carbohydrate content of 66.44%, and hardness of 11.13N. Sensory evaluation showed that the crackers were rated as liked for texture, color, aroma, and overall acceptance, and slightly liked for hedonic taste, with a texture score of slightly crispy and a color test value of b* 22.00, but no effect on the L* value of 31.32 and a* value of 31.33. The best crackers excelled in protein, crude fiber, and fat content. Paired preference tests also showed that the comparison between wheat crackers and the best crackers had significant differences in color.

Co-Authors . Wardiah A.A.G.N Anom Jambe A.A.G.N.A. Jambe AAGN Anom Jambe AAGNA. Jambe Agnes Citra Yolanda Simamora Agus Selamet Duniaji Ahmad Fauzi Aini Amalia Alfida Alfida Ali Sarong Anak Agung Gede Ngurah Anom Jambe Anak Agung Istri Sri Wiadnyani Ariani Nisfin Kholifah Ariani Nisfin Kholifah Arif Usman Ariza Farizca Astria Kezia br Sinuhaji Audrey Sophia Rachma Putri Bellariesty Kartika Dewi Brury Apriadi Husaini Carroline Silvera Astri Sugiarto Clara Sania Krisanta Clara Vita Marlina Kristina Daffaul Haqqi Dikky Chandra Dinda Riska Andini Dwi Ilma Daroyani Era Madona Ermi Tety Eva Wardah FANDY NOVRIAN Fika Amaliyah Franscixkus Jamadin Saragih S. Fredinan Yulianda G. Oka Warmana, G. Oka Gusti Ayu Kadek Diah Puspawati Hamidatul Nesya Hasbi Rohiqi Hersyah, Mohammad Hafiz Heru Heru Hesti Pratiwi I Dewa Gde Mayun Permana I Gede Arie Mahendra Putra I Gede Cahyadi Putra I Gusti Ayu Ekawati I Gusti Ayu Kadek Diah Puspawati I Gusti Ketut Ariawan I Gusti Ngurah Arry Putra I Ketut Suter I Made Sugitha I Nengah Kencana Putra I Nyoman Adi Wibawa I Nyoman Agus Suarya Putra I Putu Suparthana I Wayan Aditya I Wayan Rai Widarta I Wayan Widnyana I.K. Suter Ida Ayu Putu Jasmine Chandra Dewi Ikrima Rahmasari Ita . Jason P Kenardi Joe Pratama Kadek Cintyadewi Permana Kanza Alfira Karina Dinda Putri KOMANG AYU NOCIANITRI Komang Ayu Sri Dewi Kusumaning Ayu, Made Ardha Levana Levana Luh Dian Rna Fajarini Luh Putu Trisna Darmayanti Luh Putu Trisna Darmayanti, Luh Putu Trisna M. D. Asiah M. Marthoenis M. Saripuddin Made Aditya Dharma Marito G. Sitanggang Maya Anita Putri Maya Anita Putri Melania Veronika Samosir Muhammad irmansyah Muhammad Wahdeni Pramana Mulyadi Mulyadi Munifah Abdat Nada Ulfa Naomi Felicia Nera Prabawati Ni Kadek Alit Wirastuti Ni Kadek Ayu Puspitayanti Ni Luh Putu Desy Melinia Sari Ni Made Dewi Wahyuni, Ni Made Dewi Ni Made Yusa Ni Nyoman Puspawati Ni Putu Bunga Sari Widyani Ni Putu Desva Mardany Ni Wayan Trisna Dewi Ni Wayan Wisaniyasa Nor Norisanti Novelita Olivea Herman Nurdin Amin P Purwanto Pande Made Agus S. Diputra Paramitha, Dewa Ayu Ika Purba, Melini Pazyanita Puti Fauziyyah Putri Anggun Lestari Putu Ari Sandhi Wipradnyadewi Putu Ayu Gaudiya Waisnawi Putu Ayu Nadyasari Putri Hidayat Putu Eka Ditya Mahendra Putu Liana Dewi Putu Priyanka Saraswati Putu Sri Astuti Putu Timur Ina Putu Wirya Darsana Qurotul Ilma Yaske E. RAHMI AGINTA ULFAH Rahmi Izzati Renty E.S.Lumbantobing Respi Saputri Reza Ardiansyah Saputra Ridho Khairul Imam Rizky Ahadi Roni, Faishol Rosnina nina A.G Said Usman Samsinar Samsinar Sanjiwani, Ni Made Suksma Santoso Santoso Saputra, Irwan Sayi Hatiningsih Secretly Galih Aditya Siti Amaroh Siti Amaroh Siti Mudrikatuz Zahro Siti Nur Hikmah Surya Prangga T. Darmayanti Teddy Anderson Tirza Lewi Gunadi Tito Azhari Saputro Tri Ayu Malissa Utafiyani . Vanesha Kinayomi Wardani, Tatiana Siska Wibawa, Agung Ari Candra Winda Kustiawan Yohanna Mei Sarah Purba

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