จำนวน Repository ( 1139 )
การพัฒนาผลิตภัณฑ์ข้าวตังเห็ดนางฟ้า
This special project. The objective is to study the basic formulas and processes of rice crust production. Study the suitable amount of mushrooms in the production of rice crust. Study the suitable flavor in the production of rice crust Phoenix Mushroom. and study the quality changes during storage of Rice crust Phoenix Mushroom. from the study of the basic formula and the production process of rice crust the sensory evaluation results from 50 tasting testers. Found that formula 2 contains a mixture of steamed rice (Rice Sao Hai) steamed rice (Thai jasmine rice) and salt. The highest average rating. Study the suitable amount of mushrooms in the production of rice crust. Found that the formula with the amount of mushrooms: steamed rice 30% : 70% The highest average rating. The brightness (L*) red (a*) and yellow (b*) were 58.17±0.42 9.23±0.10 and 23.04±0.03 respectively. The aw value is 0.48±0.01. The moisture content is 2.60±0.01 percent. Study the suitable flavor in the production of rice crust Phoenix Mushroom. From the sensory tests of 3 flavors : Tom Yum flavors chilli flavors and pizza flavors showed that taste testers rated their liking for appearance color aroma flavor taste texture (Crispness) and overall liking Of the rice crust with the highest chilli flavor. Quality analysis chemical moisture protein fat ash fiber carbohydrate and peroxide values equal to 2.35±0.12 7.23±0.85 15.71±0.20 2.85±0.02 7.16±0.67 64.70±0.01 and 0.93±0.06 respectively. Study the quality changes during storage of rice crust Phoenix Mushroom. It was found that the brightness (L*) red (a*) and yellow (b*) increased from week 2 to week 6. The hardness value increases every week causing the breakage value to decrease. Moisture content not more than 4.0% and peroxide value not more than 30 mg. Equivalent Not exceeding the standards set by the industrial products. Therefore Phoenix Mushroom Rice Crust Products (chilli flavor). Therefore can be stored for more than 6 weeks
สมบัติทางเคมีกายภาพ ทางกล และทางความร้อนของฟิล์มบริโภคได้จากแป้งมันเลือด
Man Lueat (Dioscorea alata) flour is a biopolymer material that can be formed into an edible film. It can be contacted directly with food consumed and naturally biodegraded. The aims of this research were to study the effect of physicochemical mechanical and thermal properties of edible film from Man Lueat flour. The film forming solution was prepared by Man Lueat flour at 4% w/w. The glycerol was used as a plasticizer. It was studied at 3 different levels; 30 40 and 50% w/w of Man Lueat flour. The film forming solutions were formed using the solution casting method and dried at 50 °C for 16 h. Results showed that the glycerol content at different levels of the edible film from Man Lueat flour had no effect on the thickness color transparency and elongation at break. However the moisture content water solubility swelling property and water vapor permeability of the film tended to increase when increasing the glycerol content. In contrast the Young’s modulus and tensile strength of films tended to decrease significantly when the glycerol content increased. Thermal properties were found that decomposition temperature of films occurred 2 stage; the first stage occurs between 50 to 130 ° C and the second stage occurs between 263 to 315 ° C. The analysis of FT-IR showed that the different levels of glycerol affected the structure of the film (3278 cm-1). Therefore the edible film from Man Lueat flour can be applied as a food packaging material to protect the quality of food products.
การจำลองทางคณิตศาสตร์เปรียบเทียบกับการปฏิบัติการโรงไฟฟ้าพลังงานแสงอาทิตย์ขนาดเล็กแบบกระจายตัวในระบบจำหน่าย
This paper presents a mathematical simulation to compared to operations a small distributed photovoltaic power plant in the distribution system. Practices transmission of electric power by small distributed solar energy With the PVSyst and IEC 61724 mathematical modeling programs the main objective was to study the % performance ratio photovoltaic power plants 5.95 MWp connected in the distribution system of the Provincial Electricity Authority voltage level 22 kV. Therefore this paper is presented as a mathematical simulation compared to operations a small distributed photovoltaic power plant in a distribution system. The results of the study show that the operation of small distributed solar power plants increases the efficiency to be able to produce the maximum electricity and continuously. The system was able to produce the highest power of 8954.9 MWh/year and had an average annual efficiency ratio of 77.84% receiving the highest solar radiation intensity and the highest annual total energy output of approximately 1837 kWh/m2
แบบจำลองพื้นผิวตอบสนองและการหาสูตรอาหารที่เหมาะสมสำหรับการเพิ่มการผลิตกรดแกมมา-ไลโนเลนิกในมอส Physcomitrella patens โดยใช้วิธีพื้นผิวตอบสนอง
The objective of this study is to obtain a model that maximize production of γ-linolenic acid (GLA) by the moss Physcomitrella patens employing response surface methodology (RSM). The RSM with a three-variables (sucrose potassium nitrate and glutamate concentrations) and five-level (-2 -1 0 1 and 2) central composite design (CCD) including 20 experimental runs was employed to optimize the medium composition. Results showed that the experimental data could be appropriately fitted into a second-order polynomial model with a coefficient of determination (R2) more than 0 .9 5 for GLA production. Analysis of variance (ANOVA) revealed that the model was highly significant (p<0.0001) and the effects of the sucrose (20-100 g/L) and glutamate (0.5-2.5 g/L) concentrations on GLA production were significant (p<0.05). The GLA production with the optimized culture medium (sucrose concentration of 62.92 g/L potassium nitrate of 0.80 g/L and glutamate concentration of 1 .4 2 g/L) by RSM increased 4.61 folds when compared with the standard BCD medium. This experimental value (16.37 mg GLA/L) fit well with the predicted values (16.20 mg GLA/L).
การประเมินคุณภาพทางด้านฉลาก ด้านกายภาพ ค่าความเป็นกรด-ด่าง และทางจุลชีววิทยาของน้ำดื่มบรรจุขวดที่จำหน่ายในเขตเทศบาลนครอุบลราชธานี ประเทศไทย
. In this study examination of label information physical and microbiological qualities was performed in 30 clear-plastic and 3 opaque-plastic bottled drinking water products distributed in city municipality of Ubon Ratchathani. Results showed that 12 clear-plastic (36%) and 3 opaque-plastic (9%) bottled drinking water samples had no expiry date on the product labels which were discordant to the criteria for drinking water in sealed containers imposed by the Ministry of Public Health of Thailand no. 383 (2017). Odorless appearances of all drinking water samples were observed. Values of pH in 4 clear-plastic (12%) and 3 opaque-plastic (9%) bottled drinking water samples were in the ranges of 6.21±0.00–6.29±0.03 which were below the allowable limit (pH 6.5–8.5). All bottled drinking water products contained numbers of total coliform and fecal coliform bacteria less than 2 MPN/100 mL and were devoid of E. coli. Therefore based on the quality of clear-plastic and opaqueplastic bottled drinking water products distributed in city municipality of Ubon Ratchathani 1 5 samples (45%) did not meet standard for drinking water in sealed containers declared by the Ministry of Public Health of Thailand (1981 and 2017) owing to no expiry date labeled on the products and pH value below 6.5.