Agrobiotek

Characteristics of Donuts with Variations in Soy Flour Substitution (Glycine max L.) and Fermentation Time

2023-09-20T09:31:23+07:00

Donuts are foods made from high protein wheat flour, in this study donuts were made from substitution of wheat flour and soybean flour. This study aims to determine the effect of soy flour substitution (Glycine max L.) and of determine fermentation time of (60, 75 and 90 min) on soy flour donuts which have the highest protein content and panelists' favorite. Complete Rendomized Design (RAL) Faktorial with two factors used in this research. The first factor was is the ratio of wheat flour and soy flour (95;5, 90;10, 85;15) . The second factor was is the variation of fermentation time (60, 75, 90 min). It was determined for protein, ash , water, fat , reducing sugar, total carbohydrates, and organoleptic. The data was determined Analysis using of Variance (ANOVA). The results showed that donuts with the addition of soy flour and fermentation time had a significant effect (α<0.05) on protein content, sugar content, flavor and overall preference. The best treatment of soybean flour donuts based on chemical and organoleptic tests, namely the ratio of wheat flour and soybean flour (85:15) using 90 minutes of fermentation. Soy flour donuts with the best treatment had a 20.30% of moisture; 1.77% ash content; protein content 10.38%; reducing sugar content 22.52%; total carbohydrates 49.51%; color dark brown 3.25; unpleasant flavor 2.95; savory taste 3.01 and very liked overall favorite 3,57.

Use of Celery (Apium graveolens L.) as a Source of Antioxidant in Potato Vermicelli (Solanum tuberosum)

2023-09-20T09:51:10+07:00

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).

The Effect of Heating Temperature on the Antioxidant Activity of Red Rose Water Distillation Waste (Rosa damascena Mill) Using Varying Distillation Methods

2023-09-20T10:14:13+07:00

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).

Physicochemical and Organoleptic Characteristics of Snack Bars Combination of Red Bean Flour (Phaseolus vulgaris L.) and Rice Bran Flour with Variation of Roasting Time

2023-09-23T09:26:12+07:00

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.

Physicochemical Analysis of Subtitution Sus Cake Wheat Flour with Mocaf in A Varariation of Peanut Flour

2023-09-20T11:25:36+07:00

Eclairs are cakes that are much favored by the general public, became as éclair a hollow texture and are soft on the inside. Mocaf is flour has been modified by fermentation, and has characteristics similar to wheat flour. This reseacrh used a variety of peanuts flour such as cowpeas, red bens and mung beans as protein and fiber source. The variety of nuts added aims to encrease the nutritional content of eclairs. This research was purposed to determine the chemical and sensory characteristics of eclairs which are high in protein and fiber and to determine consumer preferences from the comparison of mocaf and wheat flour with various types of peanut flour. The experimental design used was a Completely Randomized Design (CRD) with two factors, the first factor was the ratio of mocaf flour and wheat flour 9:1, 8:2, 7:3, the second factor was the variety of species of beans, cowpeas, red beans, mung beans. The results showed that the protein content was the highest, in the mocaf and wheat flour of 7:3 with a protein content of 8.50%. the eclairs formulation with the highest fiber content was found in a 9:1 ratio of mocaf flour and wheat flour with variety types of mung beans flour with a fiber content of 9.94%. The formulation of the ratio of mocaf flour : wheat flour 7:3 with variety species is the most preferred formula overall with an overall preference level of 3.67. Eclairs with the addition of peanut flour has the potential to increase product protein.