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Merkuria Karyantina
Fakultas Teknologi Dan Industri Pangan Universitas Slamet Riyadi
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Formulation of stik from curd protein of ettawa goat (Capraaegagrus hircus) milk with white tofu addition : Formulasi stik dari curd protein susu kambing etawa (Capraaegagrus hircus) dengan subtitusi tahu putih Fazriah Eva Indriyani; Vivi Nuraini; Merkuria Karyantina
Agrobiotek Vol 2 No 1 (2025): Maret: AgroBio Science Journal
Publisher : Fakultas Sains dan Teknologi Unisri

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Abstract

Stick is a tasty, healthy, and high-protein snack. Goat milk less optimised due to the assumption that goat's milk smells like a goat, so most people don't like to consume it. Tofu is used as a addition for sticks, because tofu is a food that contains the best non-animal protein. The research was purposed to increase consumption of goat milk and white tofu by processing it into milk sticks. In addition, it can also produce milk sticks that are rich in protein and liked by panellists. The experimental design used was a Completely Randomized Disign (CRD) with the first factor being the ratio of curd goat milk and tofu (60%:40%, 50%:50%, 40%:60%) and the second factor being the ratio of wheat flour and tapioca starch (40%:60%, 50%:50%, 60%:40%). The results showed that the substitution of goat milk curd and tofu and the ratio of wheat flour to tapioca starch had a significant effect on characteristics of the milk stick. The best product from several stick formulations in terms of chemical, physical and organoleptic properties is the stick formulation with 60% etawa goat milk curd: 40% white tofu and 60% wheat flour: 40% tapioca starch has a high protein value of 11.51% with a moisture content of 2.27%, ash content of 1.94%, fat content of 32.51%, carbohydrate content by different 51.78%, while etawa goat milk curd sticks with white tofu substitution which has overall level of preffered value of panellists is found in the ratio 3.39 (preferred). Stik from curd protein of etawa goat milk with white tofu be a potensial source of protein.
Kembang goyang characterization with rice - mocaf flour (modified cassava flour) subtitution and variation of milk types : Karakteristik kembang goyang dengan substitusi tepung beras - tepung mocaf (modified cassava flour) dan variasi jenis susu Dhea Sekar Aulia; Akhmad Mustofa; Merkuria Karyantina
Agrobiotek Vol 2 No 1 (2025): Maret: AgroBio Science Journal
Publisher : Fakultas Sains dan Teknologi Unisri

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Abstract

A traditional cake from Betawi known as kembang goyang is created by shaking it in hot oil until the dough releases from the mold and gets its name from the way it looks budding flowers. In this study, rice flour substitute with mocaf flour and several types of milk were also used. This studied aims to manufacture kembang goyang that are rich in protein, and the optimal of crunchiness, this study attempts to establish the ideal ratio of rice flour to mocaf flour and different types of milk. This study was carried out utilizing a factorial Completely Randomized Design (CRD) consisting of two factors, namely the ratio of rice flour to mocaf flour (30%: 70%, 40%: 60%, 50%: 50%) and variations in the type of milk (goat's milk, cow's milk and soy milk). Kembang goyang substitutions50% rice flour: 50% mocaf flour with the soy milk variation had moisture content of 0,83%, ash 0,78%, fat 41,36%, protein 6,06%, carbohydrate 51,99%, broken white 1,72%, slightly milk 2,84%, milk smell 3,12%, crispy 3,77. Kembang goyang is a substitute rice flour with mocaf flour and a variation of milk that are rich in protein so it has the potential to be  a healthy and nutritious food.
Effect of corn extract percentage (Zea mays L.) and variation of nitrogen sources on the quality of nata de corn: Pengaruh konsentrasi ekstrak jagung (Zea mays L.) dan variasi sumber nitrogen terhadap kualitas nata de corn Dita Cahya Priyanti; Yannie Asrie Widanti; Merkuria Karyantina
Agrobiotek Vol 2 No 2 (2025): September: AgroBio Science Journal
Publisher : Fakultas Sains dan Teknologi Unisri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/agrobiotek.v2i2.9847

Abstract

Nata de corn is nata made from corn. Corn contains the element carbon which can fulfill the needs of Acetobacter xylinum in the formation of nata. This study used corn extract to replace coconut water and used natural nitrogen sources from mung bean sprout extract, soybean sprout extract and cowpea sprout extract. The aimed study to determine characteristics of nata  which the thickest and highest fiber. This study used factorial RAL, with 2 factors, namely factor 1 was the percentage of corn extract (10%; 20% and 30%) and factor 2 was the variation of nitrogen sources (mung bean sprout extract, soybean sprout extract and cowpea sprout extract). The purpose of this study was to determine the physicochemical characteristics of Nata de corn and determine the best formulation for Nata de corn. The results of the best treatment formulation in the manufacture of Nata de corn were 30% corn seed extract formulation with 7.5 ml soybean sprout extract, 2.05% crude fiber chemical characteristic test, 0.15% total sugar and 0.97% water content. The resulting nata de corn has organoleptic characteristics of a yellowish-white color with a value of 1.95; less elastic with an elasticity value of 2.06 and slightly springy with a value of 2.72. The results of physical observations with a thickness of 0.72 cm, a weight of 599.8 grams and a volume of 4 ml of fermented residual liquid. Nata de corn has the potential to be a source of food fiber.
Physicochemical and Organoleptic Characteristics of Snack Bars Combination of Red Bean Flour (Phaseolus vulgaris L.) and Rice Bran Flour with Variation of Roasting Time: Karakteristik Fisikokimia dan Organoleptik Snack Bars Kombinasi Tepung Kacang Merah (Phaseolus vulgaris L.) dan Tepung Bekatul (Rice Brand) dengan Variasi Lama Pemanggangan Sylvia Astian Wibowowati; Merkuria Karyantina; Akhmad Mustofa
Agrobiotek Vol 1 No 1 (2024): Maret: AgroBio Science Journal
Publisher : Fakultas Sains dan Teknologi Unisri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/agrobiotek.v1i1.9849

Abstract

Red bean flour has a high protein content but low gluten content. The superior nutritional value of rice bran is as a nutrient source that contains a lot of protein and high fiber and also does not cause allergies. The purpose of this study was to determine the effect of roasting time and the best formulation of the combination of red bean flour and rice bran flour in making snack bars that are rich in protein and favored by many consumers. This study used a completely randomized design (CRD) arranged factorially with two factors with the formulation of red bean flour and rice bran flour used were P1 (95:5); P2 (90:10); and P3 (85:15). Roasting time was 50, 40 and 30 minutes. Data analysis used ANOVA with Tukey's further test. The results of chemical and sensory tests significantly influenced the activity of water content, fat content, protein, carbohydrates, color, red bean flavor, bran flavor, hardness and overall liking. However, it was significantly different for ash content, color and overall liking. The best chemical test results were P2T3 (ratio of red bean flour and rice bran flour 90/10 with roasting time of 30 minutes) with the results of carbohydrate 60.74%, protein 10.96%, moisture content 19.01%, fat content 6.79%, and ash content 2.51%. The best sensory test results were P2T3 with color test results 2.98, red bean flavor 2.58, bran flavor 2.32, hardness 1.75, and overall liking 2.77. Snack bars made from red bean flour and rice bran flour have great potential as a high-protein food ingredient.
Fortification of elephant ginger extract (Zingiber officinale var Roscoe) in the production of mochi with variations of glutinous rice flour – white sweet potato flour (Ipomea batatas L): Fortifikasi ekstrak jahe gajah (Zingiber officinale var Roscoe) dalam pembuatan mochi dengan variasi tepung ketan-tepung ubi jalar putih (Ipomea batatas L) Nanda Anggraini; Vivi Nuraini; Merkuria Karyantina
Agrobiotek Vol 2 No 2 (2025): September: AgroBio Science Journal
Publisher : Fakultas Sains dan Teknologi Unisri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/agrobiotek.v2i2.9850

Abstract

Mochi is a cake made from glutinous rice flour with other ingredients and then steamed. White sweet potato flour is used as a substitute because it contains high levels of fiber, with the addition of elephant ginger extract, which is expected to be able to neutralize the unpleasant taste and scent of white sweet potato flour. The aim of this study was to determine the right formulation in order to obtain white sweet potato flour substitution mochi and a high concentration of elephant ginger extract. This study used a completely randomized design (CRD), which consisted of two factors, namely the concentration of glutinous rice flour and white sweet potato flour (90:10, 80:20, and 70:30) and the percentage of elephant ginger extract (to 100 ml of water) (1.5%, 3%, and 4.5%). The best results of the chemical analysis were white sweet potato flour 30 g and ginger extract 4.5%, with a moisture content of 23.66%, an ash content of 0.25%, a total sugar content of 7.64%, and fiber of 2.60%. Based on the results of the physical analysis, the colour L*47.62 (bright brown), a* -4.68 (slightly green), b* 12.20 (yellowish) and a hardness value of 8.90 N, gumminess of 6.27 N, chewiness of 1.73 N, cohesiveness of 0.71 N, and adhesiveness of 1.17 N. Mochi with white sweet potato flour substitution and concentration of elephant ginger extract can be a nutritions food and a source of fiber.
Effect of inulin as thickener agent and purple sweet potato extract on the characteristics of Aloe vera jam : Pengaruh konsentrasi pengental inulin dan ekstrak ubi jalar ungu terhadap karakteristik selai lidah buaya (Aloe vera) Wahyu Sasono; Merkuria Karyantina; Nanik Suhartatik
Agrobiotek Vol 2 No 2 (2025): September: AgroBio Science Journal
Publisher : Fakultas Sains dan Teknologi Unisri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/agrobiotek.v2i2.9886

Abstract

Jam is a paste-shaped food usually made from fruit which is quite popular from children to teenagers. Aloe vera is one of the 10 best-selling plant species in the world which was developed as a raw material in the pharmaceutical and food industries, especially in countries on the European continent. Inulin is a dietary fiber contained in various types of vegetables and fruits that are beneficial for digestive health. Purple sweet potato is used in the addition of jam because purple sweet potato contains vitamin A, B vitamins and antioxidants. The purpose of this study was to determine the concentration of inulin thickener and purple sweet potato extract with high antioxidant activity, and to determine the characteristics of the panelists' preference to jam. This study used a completely randomized design with the first factor being variations in the concentration of inulin as thickener 1, 2, and 3 g. The second factor was the addition of purple sweet potato extract (40, 50, and 60%). The results of this study indicated that the jam formulation with high antioxidant activity on variations in the concentration of 1 g of inulin thickener with the addition of 60% purple sweet potato extract. The jam formulation that was preferred by the panelists was found in variations in the concentration of 2 g of inulin with the addition of 40% purple sweet potato extract which had an overall value of 3,40 (neutral). Higher purple sweet potato extract, the higher the antioxidant activity of the jam. Purple sweet potato extract can be used as a source of antioxidants in jam making.
Characteristics of Cookies Substituted with Sweet Corn (Zea mays L) Flour with The Variation of Baking Time Aninda Putri Prastiwi; Merkuria Karyantina; Nanik Suhartatik
Agrobiotek Vol 3 No 1 (2026): Maret: AgroBio Science Journal
Publisher : Fakultas Sains dan Teknologi Unisri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/qjm0ep67

Abstract

Cookies adalah makanan ringan atau camilan yang banyak disukai semua lapisan masyarakat. Tepung terigu adalah bahan utama dalam pembuatan cookies. Tepung jagung dapat digunakan sebagai pengganti tepung terigu karena memiliki nutrisi yang tidak kalah dari tepung terigu, jagung mempunyai kelebihan mengandung serat kasar, unsur Fe dan beta-karoten. Proses pengolahan cookies bergantung pada proses pemanggangan. Tujuan dari penelitian ini adalah menentukan cookies substitusi tepung jagung dengan variasi waktu pemanggangan yang tinggi serat. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) faktorial dua faktor dan dua kali ulangan. Faktor yang digunakan yaitu perbandingan tepung jagung : tepung terigu (60:40, 75:25, dan 90:10) dan waktu pemanggangan (20, 25, dan 30 menit). Analisis kimia dan organoleptik cookies terbaik adalah 90% tepung jagung : 10% tepung terigu dengan waktu pemanggangan 25 menit dengan kadar air 4,57%, kadar abu 0,65%, kadar lemak 26,40%, kadar protein 8,36%, kadar serat kasar 13,68%, kadar karbohidrat 60,03, rasa 3,80(rasa jagung kuat), warna 3,65 (kuning keorenan), aroma 3,45 (aroma jagung cukup kuat), tekstur 2,00 (cukup renyah). Substitusi tepung jagung pada cookies dapat meningkatkan kadar serat dan mampu menghasilkan cookies yang disukai konsumen.
Characteristics of Sweet Bread with Substitution of Mocaf Flour and Variation of Cilembu Sweet Potato and Yellow Pumpkin Puree Septiana Devi; Merkuria Karyantina; Nanik Suhartatik
Agrobiotek Vol 3 No 1 (2026): Maret: AgroBio Science Journal
Publisher : Fakultas Sains dan Teknologi Unisri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/cmanxm21

Abstract

Bread is a food that is favored by various groups of people. Wheat flour is the main raw material in making sweet bread. Wheat flour is made from wheat, to reduce wheat imports, wheat flour needs to be replaced with other alternative ingredients. Cilembu sweet potato is one of the sweet potato plants that has the potential to be developed in Indonesia because it is abundant and has good nutritional content. Sweet potato cilembu contain high beta carotene that can be used as a functional food. Pumpkin contains quite complete nutrients, especially beta-carotene content and relatively cheap prices. The high content of dietary fiber in cilembu sweet potatoes and pumpkin is very beneficial for digestion. The purpose of this study was to determine the chemical, physical and organoleptic characteristics of sweet bread that is high in beta carotene and fiber. This study used a factorial completely randomized design (CRD) with the first factor being the ratio of wheat flour and mocaf flour (90:10), (80:20), (70:30). The second factor the ratio of cilembu sweet potato: pumpkin (60:40), (50:50), (40:60). The results showed sweet bread with the highest levels of beta-carotene and fiber in the ratio of 70% wheat flour: 30% mocaf flour, 40% cilembu sweet potato: 60% pumpkin respectively at 6.47% and 12.9%. Sweet bread formulation favored by panelists in the ratio of 90% wheat flour: 10% mocaf flour, 60% cilembu sweet potato: 40% pumpkin at acore 4.09 (liked).
Effect of Stabilizer and Moringa Leaves Concentration on the Dragon Fruit Velva: Pengaruh Jenis Bahan Penstabil dan Daun Kelor (Moringa oleifera) Dalam Pembuatan Velva Buah Naga Merah (Hylocereus polyrhizus) Adelia Putri Sari Yahya Adel; Merkuria Karyantina; Nanik Suhartatik
Agrobiotek Vol 1 No 2 (2024): September: AgroBio Science Journal
Publisher : Fakultas Sains dan Teknologi Unisri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/agrobiotek.v1i2.11733

Abstract

Velva, a kind of frozen dessert, made from fruit that contains nutrients and help the body's metabolic processes as a source of energy. Red dragon fruit (Hylocereus polyrhizus) is used in the production of velva in order to get a good color and Moringa to increase antioxidant activity. The purpose of this study was to determine the appropriate substitution ratio between velva, dragon fruit, moringa leaf extract, and stabilizer to produce dragon fruit velva with good characteristics, namely high antioxidant and preferred by consumers. This study used a factorial completely randomized design (CRD). The factors used were the concentration of Moringa leaves (8, 10, 12 g) and the concentration of the type of stabilizer (CMC 1,26%, cornstarch 1,26%, carrageenan 1,26%). The best chemical analysis was treatment concentration of carrageenan stabilizer 1,26% with the addition of 8 g Moringa leaf extract with antioxidant activity 16,85%, crude fiber 0.63%, vitamin C 4,33%, reducing sugar 11,83%, total phenolic 13,93mg.GAE/ml and pH 3,5. Physical analysis with melting power 47.00 minutes/hour, overrun 13,00%, TPT 4˚Brix and TAT 1.14%. The results of the red dragon fruit velva sensory test with various types of stabilizers and the addition of Moringa leaves, as well as the combination of treatments between the two had no significant effect on color, texture, taste, aroma and overall preference. The best organoleptic analysis was the P3K1 treatment (concentration of carrageenan stabilizer 1,26% with the addition of 8 g Moringa leaf extract) with a color value of 3.06, taste 2.57, aroma 2.78, texture 3.50 and overall preference 3,42.
Co-Authors Adelia Putri Sari Yahya Adel Agung S Wardana Ahmad Gunawan Ahmad Gunawan Akhmad Mustofa Alvyersa Rosalpina Agustin Amalia Lintang Hasanah Andini, Monika Anggit Trisnawati Aninda Putri Prastiwi Apriyanto, Beni Ayu Mei Wulansari Beni Apriyanto Crisdyana Eko Setyaningsih Damayanti, Putri G Danar Agi Fauzi Dewi Handayani Dewi Saptantinah P Dhea Sekar Aulia Dita Cahya Priyanti Edi Wibowo Einstivina Nuryandani Eko Febrianto Endang Sutriswati Rahayu Endang Sutriswati Rahayu Erma Ayu Nurcahyani Fadjar - Harimurti Fadjar Harimurti Fajar Eko Prastomo Fazriah Eva Indriyani Harto Widodo, Harto Haztien Silmi Triyani Heny Eko Permatasari Hida Arum Sakura Husnun, Fadilah Ichsan, Onne Akbar Nur Indah Setiyarini Indrias Tri Purwanti Isnaini Elok Nur Azizah Jan Tenan Prabowo Jimu Prehatin Junianto, Faizal Kharis Triyono Linda - Kurniawati Linda Kurniawati Linda Kurniawati Metha Putri Agustyn Anggraini Muhammad Nur Cahyanto Mustofa, Ecio Mutiara Krisna Putri Nanda Anggraini Nanik Suhartatik Nurcahyani, Erma Ayu Prehatin, Jimu Prischilla G A Rera Rejerusalem Pundhi Ludiani H Pundhi Ludiani Hartiwi Rahayu, Endang Sutriswati Rahmawanti, Mutia D Rahmawati , Luthfiah Dwi Retna Indri Juwita Retno Rosariastuti Rifai Nurrohman Risky mawardi Riyani Safitri Nur Fatmawati Sarwini Sarwini Sarwini Sarwini, Sarwini Septiana Devi Siti Rosiyah Mahmuddah Soraya Habibi Sri Anggrahini Sri Handayani Sri Raharjo Sri Raharjo Sumarmi Sumarmi - - Sylvia Astian Wibowowati Triyani, Haztien Silmi Triyono, Kharis Tyas Utami Vivi Nur’aini Wahyu Sasono Wirid Winduro Yannie Asrie Widanti Yudha Dwi Haryo Bintoro Yuli Fadmawati, Galih Ayu Yustina Wuri Wulandari Yustina Wuri Wulandari