This research aims to study online food ordering through the Mobile Application of Consumer Generation Y in Bangkok. The sample group consists of consumers between 21 and 38 years of age living in Bangkok (Gen Y). 400 sample queries were used as a tool for collecting data. Statistics such as frequency percentage mean standard deviation and plural regression analysis was used. The results showed that most respondents were female private company employees aged between 26 and 30 with a bachelors degree or equivalent. The average monthly income of the respondents is between 15000 and 25000 baht. The most important factor affecting the decision to order food online was the acceptance of overall technology at high level with an average of 4.24 marketing mix factors (7Ps) overall is at high level with an average of 4.02 and the quality factor of overall service is at high level with an average of 4.02. The hypothesis test results showed that technological acceptance factors marketing mix factors and quality factors of the service affect the decision to use online food ordering services through the Mobile Application of Consumer Generation Y in Bangkok statistically significantly at 0.05.

This research aimed to study consumer demand for food truck consumption decisions and to study food truck investment guidelines a case study: Huai Khwang Chatuchak and Lat Phrao. of 400 persons was a questionnaire. The statistics used were frequency percentage standard deviation. t-test F-test และ Chi-Square (𝑥2) The study found that Most of the consumers are female aged 21-30 years with a bachelors degree. Occupation student / student The cost of using the service per time 101-500 baht frequency for using the service 2-3 times / week The results of the study of consumer demand factors in making decisions on food truck consumption were found that the overall level was at a high level which was found to be the most cost factor. (𝑥̅ = 4.36) Followed by economic factors (𝑥̅ = 4.35) The results of the relationship between demographic factors and food truck service behavior in Bangkok showed that age affected the behavior of choosing to use food trucks in terms of expenses. Times you use food truck service And the frequency of using food truck service The status affects the behavior of choosing to use the food truck service on the cost of each time you use the food truck service. The educational level influenced the behavior of choosing to use the food truck service in terms of the cost of each service used and the frequency of using the service. Occupations affect the behavior of choosing to use food trucks as well as the costs of each time using food trucks. And information sources that affect the decision to use the food truck service Occupational income affects the behavior of choosing to use food truck services on the expenses of each time using food truck services. And the frequency of using food truck service Statistically significant at the 0.05 level.

The objectives were to study microbiological hazard of Khao kluk ka pi for school food service risk assessment and critical control points (CCP) according to HACCP principles.The production of Khao kluk ka pi had the improper hygienic practice. Thus TPC counts were found in shallots coriander and chilli at 1.9×106 3.2×107 and 5.9×106 cfu/g respectively and found E. coli in chopped coriander more than 1100 MPN/g. The TPC S. aureus C. perfringens Salmonella and V. parahaemolyticus were not detected in cooked ingredients. The number of TPC in Khao kluk ka pi held at ambient temperature for 0 2 4 and 6 hours were founed an increase from 1.2×106 cfu/g to 7.6×106 1.8×107 and 3.4×108 cfu/g respectively that was as a result of the uncooked ingredients and mixing process. The microbial numbers were increased when this food was held for a long time before serving. The CCP of Khao kluk ka pi production were indicated at the process of washing raw vegetables cooking process and holding cooked food at room temperature for a long time before serving.