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Zaeni, Zulfa Nur; Suhartatik, Nanik; Mustofa, Akhmad

Agrobioteknologi 2024 Vol. 1 (2) Fakultas Teknologi dan Industri Pangan Unisri Surakarta

Base cake bars on the market are madse by soy flour mixed with dried fruit and are unusually consumed as snack in the bars. The base cake bars can be made without flour with high gluten. Mocaf is an alternative carbohydrate source as well as a substitute for wheat flours. The use of rice flour and mocaf flour was chosen becaused of the high fiber content in the various types of rice used. Moringa flour is rich in protein, minerals and vitamins. The advantages of adding Moringa flour can improve the quality of the base cake bar, especially fiber. Determining the formulation of the moringa cake bar base with various types of rice flour which has a high fiber content and is preferred by consumers is the aim of this study. This study used a two factor factorial Completely Randomized Design (CRD) with two replications. The factor used are the ratio of rice flour with Moringa leaf flour (95/5, 90/10, 85/15) and various types of rice flour (red, black, white). Chemical and organoleptic analysis of the best rice-moringa base cake bars was the B3K2 treatment (type of white rice with a ratio of rice flour: moringa 90/10) with 5.21% water content, 2.29% ash content, 17.29% fat content, 9.50% protein content, crude fiber 12.83% and 65.71% for carbohydrates. Organoleptic results with, Moringa flavor 2.19, sandy texture 3.15, density 2.49 and overall preference 3.31.

Utami, Kenanga Putri; Nuraini, Vivi; Suhartatik, Nanik

Agrobioteknologi 2024 Vol. 1 (2) Fakultas Teknologi dan Industri Pangan Unisri Surakarta

Burger patty analog is a processed imitation meat based on plant ingredients. This experiment used white oyster mushroom puree and red bean puree with various types of binder. This study was aimed at determining the chemical and organoleptic characteristics of burger patty analog that are high in protein and fiber, as well as determining the analog burger patty formulation that is most preferred by panelists. The research used a factorial Completely Randomized Design (CRD) with two factors, namely the ratio of white oyster mushroom puree and red bean puree (70: 30, 60; 40, 50: 50) and variations in the type of binder (sago flour, tapioca flour, cornstarch). The results showed that the formulation of 50% white oyster mushroom puree and 50% red bean puree with cornstarch had a high protein content of 6.68%. Formulation of 70% white oyster mushroom puree and 30% red bean puree with sago flour has the highest crude fiber content of 7.64%. The burger patty analog formulation which the most liked by panelists was at 60% of white oyster mushroom puree and 40% red bean puree formulation using tapioca flour, resulting in an overall favorability score of 3.62 (neutral). This study resulted in low protein. Patty burger analog had low fat content, in added as an alternative for people who cannot consume meat.

rasmiati, rasmiati; Suhartatik, Nanik; Widanti, Yannie Asrie

Agrobioteknologi 2024 Vol. 1 (2) Fakultas Teknologi dan Industri Pangan Unisri Surakarta

Nori is one of food in the  form of thin sheets. This study uses gotu kola leaves, and red seaweed as the basic ingredients for making nori. Red seaweed contains a large amount of amylopectin so that it has the potential to be used as nori, while gotu kola leaves have good fiber content. Except the fiber content, kola leaves (Centella asiatica .L) also content high antioxcidant as fenol, tanin and saponin. This study also uses drying with a cabinet dryer, room temperature and the sun. This study aims to determine the right formulation to produce gotu kola leaf nori which has high fiber content with variations in drying time. This research was conducted using a completely randomized design (CRD) method which consisted of 2 factors, namely the ratio of red seaweed and gotu kola leaves with variations in drying time. The first factor is the comparison of seaweed and gotu kola leaves (50:50, 40:60, and 30:70), while the second factor is the variation of nori drying time (cabinet drayer, room temperature and sun). The best chemical test results from fiber contant parameters were P3R3 with the results of 13.41% water content, 0.052 ash content, 21.18% crude fiber and 8.71 tensile strength.  The best sensory test results were P3R3 with color test results of 3.64, gotu kola falvor 3.58, crunchiness 3.27, elasticity 3.27 and overall preference 3.85.

Adel, Adelia Putri Sari Yahya; Karyantina, Merkuria; Suhartatik, Nanik

Agrobioteknologi 2024 Vol. 1 (2) Fakultas Teknologi dan Industri Pangan Unisri Surakarta

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.

-, Ocviyanti Hendra Rezky; Suhartatik, Nanik; Nuraini, Vivi

Agrobioteknologi 2024 Vol. 1 (2) Fakultas Teknologi dan Industri Pangan Unisri Surakarta

Dried noodles made from egg and flour that have round and long shape. In this research, dried noodles were made differently in general because of using taro flour and kale leaves extract as a raw material. Taro flour is a gluten free flour that is rich in fiber. Kale (Brassica oleracea var. sabellica) is superfood which have high quantity of antioxidants like vitamin C and flavonoids. This research aimed to determine physicochemical and organoleptics characteristic of dried noodles of taro flour with addition of kale leaves extract. The observation used a two-factors factorial Completely Randomized Design (CRD) were the ratio of taro flour : wheat flour (85:15, 75:25, 65:35g) and the concentration of kale leaves extract (1:10, 2:10, 3:10 ml) with two-replication. The best results showed that the combination of 65:35 taro flour : wheat flour with addition of 3:10 kale leaves extract was based on high antioxidant activity. The results of this combination showed moisture content 5,42%, ash 2,74%, fiber 7,43%, protein 7,56%, antioxidant activity 13,71%, flavonoid total 1,36 mgQE/g, vitamin C 30,8%, color L* 78,72, color a* -1,78, color b* 18,11, hardness 13,84 N, chewiness 13,29 N, aroma 3,36 and kale taste 3,12. Based on the observation, dried noodles of taro flour with kale leaf extract influenced all physicochemical and organoleptic test results.

Ulfah, Maria; Mustofa, Akhmad; Suhartatik, Nanik

Agrobioteknologi 2024 Vol. 1 (1) Fakultas Teknologi dan Industri Pangan Unisri Surakarta

Vermicelli is an alternative food to replace rice, a type of noodle that is still in great demand by the public. Vermicelli is a popular food made from rice flour processed through an extrusion process so that it is shaped like a thread. The substitution of potato starch and the addition of celery extract will increase the antioxidant activity content of the vermicelli. The purpose of this research was produce vermicelli which has high antioxidant activity and produce vermicelli with characteristics according to Indonesian National Standard No. 01-2975-2006. Complete Randomized Design factorial with two factors were used in this research. The first factor was the ratio of rice flour and potatoes flour (10:90, 15:85, 20:80). The second factors was the levels of celery extract to water addition of dough (0,78; 1,04; 1,56%). The vermicelli were then tested for moisture content, ash content, crude fiber content and antioxidant activity as well as sensory analysis. The data analyse using Analysis of Variance (ANOVA). The best treatment was on ratio of substitution potatoes flour 20:80(g) with celery extract (0,78%). The fermicelli produced has the following characteristics water 10,65%, ash content 0,52%, fiber content 3,45% and 19,25% antioxidant activity. Femicelli produced in accordance with the quality requirements of SNI No. 01- 2975-2006. The sensory test of fermicelli that having color for dry fermicelli (3,82) color is yellowish dark green, color for wet fermicelli (3.62) is slightly faded green, texture (2,68) is not chewy, after taste (3.36) the taste of celery that lingers after being swallowed and overall preference (3,42).

Cahya, Ni putu cahya putriyani; Suhartatik, Nanik; Widanti, Yannie Asrie

Agrobioteknologi 2024 Vol. 1 (1) Fakultas Teknologi dan Industri Pangan Unisri Surakarta

Red rose (Rosa damascena Mill) is one of the plant that can be easily found in Indonesia. The corolla of red roses contains natural dyes, namely anthocyanins which can be used as food coloring and the function as antioxidants or counteract free radicals. The corrola of red roses is used as a raw material in distillation of rose water. Rose water distillation poduces is a dark red liquid. This liquid waste has not been utilized optimally. Therefore, that further research is needed to determine the chemical content in it. So that the expected outcome of this research is the best chemical and sensory analysis of red rose water distillation waste based on it's antioxidant activity. The research design used a 2 factor factorial completely randomized design (CRD). The first factor is the variation of the distillation method while the second factor is the heating temperature of the red rose water waste (heated waste). The optimal treatment result was a combination of steam distillation method variations and 70°C heating temperature with following results obtained : 77,32% RSH DPPH, 61,02% FRAP value, 71,20 mg/g vitamin C, 4,58 mg  total phenol.GAE/ g, pH 4,15, anthocyanin 121,93 mg/g, brightness 27,23 (*L), red-green chromatic 7,13 (*a), blue-yellow chromatic 7,54 (*b). Sensory analysis of color was 4.36 (deep red), other scents were 2.47 (slightly sour), rose aroma was 3.64 (strong), and overall preference was 3.75 (liked).