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 purpose of the study of processed fruit products from Karonda : Bang Nok Kwaek parish communities Bang Khonthi Samut Songkhram Province is to study the proper quantity of the Koranda fruit in the product the quality in the product’s process and the consumers’ acceptance (Consumer Test) in the product. The processed products are Karonda fruit jelly instant pasteurized Karonda fruit juice with extra fiber Karonda fruit sorbet Karonda fruit yoghurt ice-cream and concentrated juice (sauce) for drink mixing. The product has been tested by Randomized Complete Block Design (RCBD) method. The process was consisted with offering a tasting and evaluated in color scent taste matter and overall satisfaction by giving 9 point Hedonic scale from 70 consumers. And has been compared the difference of average means at 95% trustiness by Duncan’s New Multiple Range Test (DMRT) by an instant statistical analysis software. The result information is as the followings; The physical properties indicates of Karonda fruit the total acidity of 2.30 with the pH and the color was found that the brightness (L *) of 16.52 fee (a *) equal to 8.95 and (b. *) equals 5.37. The study of the chemical quality of Karonda fruit amount of energy in calories carbohydrates 73.2 percent 18.3 percent protein 1.57 percent 1.32 percent humidity fats fiber 83.7 percent ash 4.26 percent and 0.75 Vitamin C is found. The duration of ripening fruit yawning lemon booed affect the vitamin C in the fruit of the mango yawning lemon booed the oil will have more vitamin C than ripe to t 2 so I scratched the reduction of vitamin C may. Is due to be deployed as a compound to breathe. And led to the synthesis of new carbon structures during ripening. Karonda fruit jelly. The most acceptances level for Karonda fruit juice in the product is at 1:6 for its best flexibility. Since the juice concentration affects the jelly as it lowers the matter (flexibility). Too much of acid in Karonda fruit juice is able to unstabilize jelly matter. From the study of Pectin quantity the consumer has the most acceptance at the level of 10 grams which is the best recipe that keeps the good jelly matter (flexibility) stabilized. The physical properties indicates that there are the level of color hue at 5R color brightness at Value 4 Chroma at 14 sweetness at 35 Brix and pH at 3.05. The study of the chemical quality of Karonda fruit jelly in each 100 grams provides 120 kilocalories of energy 69.60 grams of humidity 0.11 gram of fat 29.80 grams of carbohydrate 0.41 gram of fiber 0.50 gram of ash and 0.45 gram of acidity. The consumer satisfaction is at 97.30 percent. Instant pasteurized Karonda fruit juice with extra fiber. The acceptance is at 100 percent of replacing Okra fruit juice by Karonda fruit juice. The acceptance study shows that the most proper fiber quantity adding to Karonda fruit juice is at 15 percent. The acceptance study shows that the most proper Pectin quantity affecting coconut jelly spreading is at 3 percent. The analysis results of the physical properties indicate that instant pasteurized Karonda fruit juice with extra fiber has color hue level at 5R value at 4 and Chroma at 12 which rendered the product to dark red. Also the pH level is at 3.29 sweetness is at 17 Brix firness g force 1 is at 11.29 g Viscosityag.sec AREA F-T 1:2 is at 339.507 ag.sec. The study of the chemical quality of Karonda fruit juice in each 100 grams provides 63.3 kilocalories of energy 83.9 grams of humidity 0.01 gram of fat 0.10 gram of protein 15.8 grams of carbohydrate 0.41 gram of fiber 0.24 gram of ash and 0.18 gram of pH balance. The consumer satisfaction to instant pasteurized Karonda fruit juice with extra fiber is at 98.66 percent. Karonda fruit sorbet. The most proper quantity of Karonda fruit juice is at 30 percent. The physical properties of Karonda fruit sorbet contain the brightness level at L*34.32 red color level at a*41.26 yellow color level at b*21.18 meltable solid quantity at 30*Brix and pH balance at 2.40. The study of the chemical quality of Karonda fruit sorbet in each 100 grams provides 91.8 kilocalories of energy 77.1 grams of humidity 0.15 gram of fat <0.20 gram of protein 22.6 grams of carbohydrate 0.11 gram of fiber and 0.12 gram of ash. The consumer satisfaction to Karonda fruit sorbet is at 100 percent. Karonda fruit yoghurt ice-cream. The most proper quantity of Karonda fruit added in the yoghurt ice-cream is at 10 percent of the whole ingredient. The consumers’ acceptance has been given the most for its scent taste matter (smoothness) and overall satisfaction which has the average mean at 7.24 7.77 7.17 and 7.67 consequently. The physical properties of Karonda fruit yoghurt ice-cream contain the viscosity level at 364.798 cps. color hue at 10P Value at 8/6 Chroma at N9/.5 overrun statistics at 4.55 and Karonda fruit yoghurt ice-cream melting rate at 89.90. The chemical quality of Karonda fruit yoghurt ice-cream in each 100 grams provides 214 kilocalories of energy 64.0 grams of humidity 14.6 gram of fat 3.14 gram of protein 17.5 grams of carbohydrate 0.76 gram of fiber 0.74 gram of ash and 5.67 pH balance. The consumer satisfaction to Karonda fruit yoghurt ice-cream is at 100 percent. Concentrated juice (sauce) for drink mixing. The most acceptance recipe is the strawberry sauce recipe number 1 with the replacement of Karonda fruit at 80 percent. The physical properties contain the viscosity level at 9.28 cps sweetness at 21 Brix color hue at 5R Value at 2 and Chroma at 4. The chemical quality of concentrated juice (sauce) for drink mixing in each 100 grams provides 91.1 kilocalories of energy 77.2 grams of humidity 0.30 gram of fat 0.1 gram of protein 22.3 grams of carbohydrate 0.76 gram of fiber 0.4 gram of vitamin C and 0.56 of pH balance. The consumer satisfaction concentrated juice (sauce) for drink mixing is at the maximum satisfaction at 92.0 percent as the concentrated juice (sauce) emphasizes the better taste of smoothie drink mixing and easy to consume. Keyword: jelly Karonda fruit instant fruit juice fiber sorbet ice-cream yoghurt concentrated sauce mixed drink

The purpose of this research is to study the suitable quantity of palm sugar in food products. Study on the quality of food products from the processing of palm sugar. And the study of consumer test on food products from the processing of palm sugar. Products from the processing of palm sugar: sorbets palm sugar palm sugar is ready to drink mixed bacterial cellulose palm sugar and Jelly palm sugar. By planned Randomized Complete Block Design (RCBD) by means of taste was rated as level 9 point hedonic scale .The number of people 70 and tastings people compare the differences of average at 95 percent confidence level by the way Duncans New Multiple Range Test (DMRT) with statistical software program. And the acceptance of consumers towards processed products derived from palm sugar to taste panelists by scoring a 5 level (5 Hedonic Scale) sensory. The appearance color aroma taste texture and overall liking. The sampling plan was not specific. Or random chance (Accidental Sampling) by testing with Consumer Test were 150 people which is the faculty and students. Faculty of Home Economics and individuals in the area Faculty of Home Economics Rajamangala University of Technology Phra Nakhon according to studies it has been found that. Sorbets palm sugar products. The study found that formulations 2 is a basic recipe that has scored the most respected. The amount of palm sugar the yellow and smell of palm sugar. The taste is very sweet and a smooth texture. The study of the physical quality of sorbets palm sugar found that the sweetness of 26 Brix 24 percent cost overrun an overrun of the ice cream is in the range of 20-150 percent. melting of ice Made from pasteurized cream in a range from 91.66 to 95 the percentage of melting ice cream is based on heat from the environment into the ice makes the ice crystals melt by early dissolution rates are low he added. Higher over a longer time. Chemical analysis showed that palm sugar sorbets energy consumption per unit of 110 kilocalories carbohydrates 27.6 grams protein <1.25 grams fiber 0.08 grams humidity 72.0 grams and ash 0.44 grams. Study on the acceptance of consumer acceptance of the products sorbets palm sugar. And to evaluate the sensory qualities of appearance color aroma taste texture and overall liking. The average is 4.42 4.34 4.08 4.20 4.38 and 4.42 respectively showed that consumer acceptance of products sorbets palm sugar 150 people representing 100 percent. Jelly Ready to drink products palm sugar. The amount of palm sugar levels at 70% of carrageenan to 5% and the amount of Bacterial cellulose palm sugar at 15% of the panelists for the most respected. Characterized by stable Pale yellow transparent palm (4) sugar moderate odor flexible texture with a medium The study on the physical properties of the Ready-to-drink products Jelly palm sugar found that the color Hue 2.5Y the brightness of the color Value 9 and the brightness / saturation Chroma 2 the sweetness of the jelly juice jaggery was 18 Brix and pH - 6.5. Study the nutritional Ready-to-drink products Jelly palm sugar 125 grams chemical analysis showed that the energy 50.8 kilocalories carbohydrates 12.7 gram protein 0.20 gram fiber 0.24 gram moisture 87.1 gram and ash 0.24 gram. Results of studies of consumer acceptance. It found that the testers tasting side appearance Color smell taste texture and overall preference. Average 4.46 4.47 4.37 4.06 4.23 4.41 and points respectively. Ready-to-drink products Jelly palm sugar to resemble the physical side is light brown. Resembles the aroma is sweet palm sugar because it has just the right amount of bacterial cellulose palm sugar so making the Jelly palm sugar is flexibility. There is a water medium consumers like and is consistent with the results most accepted tasting Jelly ready to drink products palm sugar 98.00 percent. Bacterial cellulose products palm sugar. It was found that the formulation 2 basic and score the most respected at the level of 1: 1 the sweetness of 11 Brix due to the sweetness in the appropriate range 9.5-13.5 Brix. If more or less too a little texture with flexibility. Study the quality of bacterial cellulose from palm sugar has found a physical quality thickness 1.50 centimeter weight 830 gram. pH-value equal to the value 4.80 of the sweetness equivalent to 11 Brix chemical quality found that the quantity of 100 gram Bacterial cellulose products palm sugar showed that the energy 133 kilocalories Carbohydrate 32.80 gram protein< 0.21 grams fat 1.25 grams of moisture 67.00 grams and fiber 0.69 grams the study found that in side to accept the appearance color smell taste texture and overall preference. This equals an average 4.39 4.41 3.66 4.33 4.40 and 4.28 respectively of the consumers. It found that consumers accepted tasting bacterial cellulose products palm sugar 100 percent. Palm sugar Ready to drink products mixed Bacterial cellulose palm sugar. The basic formulation of palm sugar formulations 3 and with the highest score on every side. Due to the muddy liquid palm sugar the natural flavor of adopting. Bacterial cellulose content was suitable 15 percent and the amount of pectin found that 3 percent is the optimum because the pectin substances causing gel. If there is a lot of water quantity will be thick and viscous too. Do not be the good characteristics of palm sugar is ready to drink. Physical analysis it was found that the quantity of the acid-base 6.5 the sweetness 16 degrees Brix. And the chemical analysis showed that the energy 60.4 kilocalories carbohydrate 15.1 grams protein less 1.25 grams fat 0 g fiber 0.39 grams and Ash 0.27 grams. The (5) adoption of palm sugar products ready to drink mixed bacterial cellulose it is found that the appearance of color smell taste texture (viscosity). And preference overall average of the 4.39 4.41 3.66 and 4.33 4.40 4.28 respectively. Consumer acceptance of Ready-to-drink products palm sugar mixed Bacterial cellulose palm sugar 150 people representing 88.76 percentage. The result of knowledge transfer and technology of processed food products from palm sugar into the community for the private sector. It found that the majority of respondents are female is 22 people aged between 30-40 years. Satisfied with the broadcast the participants were satisfied with the results. At the highest level of satisfaction.

The development of processed pineapple product for export to promote extra income of high school students in Muang district Chaiyaphum province. The purpose of this research is to develop the quality of processed pineapple products which has been tested by Randomized Complete Block Design (RCBD) method at 95% trusted evaluated by 9 point Hedonic scale sensual quality tasting by 70 people compared the means difference by Duncan’s New Multiple Range Test (DMRT) and analyzed the results by the statisticcomputer software. The processed pineapple products are pineapple filling cookies instant pasteurized pineapple juice and chocolate coating dried pickled pineapple. These products are subjected to simple preparation and advantageous for high school students to earn extra income from the production. The chemical quality analysis of pineapple filling cookies consists of 15.6 percent of humidity 4.21 percent of protein 15.6 percent of fat 0.99 percent of ash 1.98 percent of fiber and 67.6 percent of carbohydrate. The total energy is 428 kilocalorie total microbe (TPC) is microbe<10 CFU/g or less than 1x103 colony per 1 gram of example. The storage lifetime extends up to 2 weeks from the production date. The instant pasteurized pineapple juice has total 57.6 kilocalories of energy 13.6 percent of carbohydrate 0.34 percent of protein 0.04 percent of fiber 0.39 percent of ash and 85.7 percent of humidity. The high level of humidity which contains individual liquid quantity in the product will increase the risk of spoilage from microbe. The total microbe (TPC) has microbe <10 CFU/g and specified the number of total microbe must be lessened than 1x103 colony per 1 gram of example. Conclusion the instant pasteurized pineapple juice can be stored at 8-10 degree Celsius for 2 weeks from the production date. The study of dried pickled pineapple physical quality indicates that color components are as followings; brightness (L*) equals 49.79 which is in high level color balance (a*) equals 11.44 which means the dried pineapple has yellow color tasty represents in green section and color balance (b*) equals 33.50. The procession of the product by coating chocolate onto dried pickled pineapple has 16 percent humidity of total weight. The total microbe (TPC) has microbe <10 CFU/g and specified the number of total (3) microbe must be lessened than 1x103 colony per 1 gram of example. Conclusion chocolate coating dried pickled pineapple can be stored at room temperature for 2 weeks from the production date. The research respondents have the most satisfaction for the study to apply the information to utilization in the mean of 4.80. Secondary the value compared to time and cost in the both mean of 4.50 which has the most total average mean in the high level of 4.33.