Spent coffee grounds (SCGs) are waste from coffee drink process, which are rich of a varieties of nutrients. This research applied SCGs as ingredient in cracker. The optimized formula and process are studied as well as addition of different levels of SCGs were studied. It was found that addition of SCGs in cracker had hedonic score in high level from panels, especially panels who drink coffee. Moreover, it was observed that SCGs could increase nutrients especially carbohydrate and fiber to the product.
ผลิตภัณฑ์เบเกอรี เป็นผลิตภัณฑ์ที่ผู้บริโภคนิยมชื่นชอบ และสะดวกต่อการบริโภคทั้งในเวลาเร่งด่วนและเวลาว่าง โดยเฉพาะแครกเกอร์ซึ่งเป็นหนึ่งในผลิตภัณฑ์ที่สะดวกพกพา และสามารถนำมาบริโภคได้ในทุกช่วงเวลา การเสริมคุณค่าทางโภชนาการในแครกเกอร์ จึงมีส่วนช่วยให้ผู้บริิโภคได้รับประโยชน์มากขึ้น นอกจากนี้ แครกเกอร์มีองค์ประกอบของส่วนผสมที่อาจส่งผลต่อคุณภาพ โดยเฉพาะไขมัน แนวมลทางการใช้ประโยชน์จากวัตถุดิบที่มีส่วยช่วยในการเสริมสารอาหารแบะช่วยต้านการเกิดปฎิกิริยาออกซิเดชันเนื่องจากไขมัน จึงมีศักยภาพในการนำไปใช้ผลิตจริง กากกาแฟจึงนับเป็นวัตถุดิบที่มีคุณลักษณะดังกล่าว งานวิจัยนี้จึงใช้กากกาแฟในการเสริมอาหารให้กับแครกเกอร์ ด้วยกากกาแฟมีใยอาหาร มีสารประกอบโพลีฟีนอลดและยังเป็นการใช้ประโยชน์จากส่วนเหลือการชงกาแฟ ได้อย่างมีประสิทธิภาพ
คณะวิทยาศาสตร์
The aim of experiment was to study the pyrolysis oil derived from sorted landfill plastic waste that had been buried for 15 years by the Nonthaburi Provincial Administrative Organization. The pyrolysis oil was produced using a Fixed-Bed Reactor at 450 °C for 1.5 hours with LPG as the feedstock, with the goal of using the pyrolysis oil as an alternative fuel. The experiment was conducted under four different conditions : (1) plastic waste buried in a landfill that has not been washed but has been reduced in size, (2) plastic waste buried in a landfill that has been washed and has been reduced in size, (3) plastic waste buried in a landfill that not has been washed and has not been reduced in size, (4) plastic waste buried in a landfill that has not been washed and has been reduced size, with activated carbon used as a catalyst. The experiment revealed that three products were produced : Oil, gas, and char in different quantity. The pyrolysis oil were compared in terms of quality based on pH, Heating value, Moisture content, Functional group, and Chemical Composition. The pyrolysis oil we obtained will be referenced according to the criteria from the Department of Energy Business. The analysis results of the pyrolysis can explain which conditions are suitable for replacing fuel oil in industrial It is therefore one of the approaches that helps manage plastic waste in landfills, reducing the quantity by converting it into usable energy.
คณะวิทยาศาสตร์
This research aims to select the location of the beverage distribution center of Thai Spirit Industry Co., Ltd. with the lowest total cost of transportation. using a mathematical model by considering the Muang districts of all 76 provinces, excluding Chachoengsao Province, where the factory is located. In the present study, four scenarios were divided: 1) when only one distribution center was required; 2) when more than one distribution center was established; 3) when it was divided into 4 regions. There can only be one distribution center in one region, and 4) when it is divided into four regions, where more than one distribution center can be established in one region. When processed with the program IBM ILOG CPLEX Optimization Studio, the results are summarized as follows: Scenario 1, when only one distribution center is assigned. The total transportation cost is 786,107.75 baht/month. Scenario 2, when more than one distribution center can be established. The total transportation cost is 252,338.98 baht/month. Scenario 3, when divided into 4 regions by requiring only one distribution center in one region. The total transportation cost is 401,499.61 baht/month. Scenario 4, when divided into 4 regions by requiring that there is more than one distribution center in each region. The total transportation cost is 258,666.22 baht/month.
คณะวิศวกรรมศาสตร์
The production process of the food rancidity indicator label consists of three main steps: 1) preparation of the indicator solution, 2) preparation of the cellulose solution, and 3) formation of the sheet. The indicator solution includes bromothymol blue and methyl red, which act as indicators. The cellulose solution consists of hydroxypropyl methylcellulose, carboxymethyl cellulose, sodium hydroxide, polyethylene glycol 400, and the indicator solution. For the sheet formation, the cellulose solution was mixed with natural latex to increase flexibility and impart hydrophobic properties. After drying, the invention appears as a thin, dark blue label. When exposed to volatile compounds from rancid food, the label changes color from dark blue to green, and then to yellow, corresponding to the increasing amount of volatile compounds from the rancid food.