The purpose of this study was physical and chemical analysis of watermelon seeds (waste) the markets Study of optimize replacing watermelon seeds (waste) by peanuts in thai foods process and consumer acceptability indicated of products. Result showed that physical and chemical analysis of watermelon seeds (waste) the markets as follows : Aw =0.37±0.06 L* a* b* value 60.88±0.13 10.65±0.05 and 41.02±0.06 respectively and moisture content 1.19% protein content 10.97% fat content 0.22% crude fiber content 6.48% ash content 3.26% and carbohydrate content 77.88%. Result showed that the best formula was mussaman curry was replacing watermelon seeds (waste) by peanuts 100%. Product have orange yellow colour be similar to product in markets and less than fat content 1.65 times protein content and ash content more than 1.59 2.65 respectively.The shelf life meagerly 2 months and consumer acceptability like moderately mussaman curry powder and mussaman curry product. Result showed that the best formula was kao tung na tang crispy rice sticks and shrimp dipping replacing watermelon seeds (waste) by peanuts 100%. Product have orange yellow colour more than product in markets. And more than fiber content and protein content 1.31 1.51 times less than fat content and ash content 1.24 1.32 respectively. The shelf life meagerly 2 weeks and consumer acceptability like moderately product. Result showed that the best formula was panaeng curry powder replacing watermelon seeds (waste) by peanuts 100%. Product have bright orange colour. The shelf life meagerly 4 months and consumer acceptability like very much product. Result showed that the best formula was sai kow griep pag mor replacing watermelon seeds (waste) by peanuts 100%. Product have dark brown more than product in markets. And less than moisture content fat content and fiber content 2.17 6.61 and 6.46 times more than carbohydrate content and ash content 68.24 4.10 respectively. The shelf life at -18 ๐C and consumer acceptability like moderately product.

A study of the watermelon rind the right to produce the best recipe Watermelon Cake. The ratio of the total amount of chicken. The third level is 28:17 watermelon rind that has an average overall score 7.03 7.00 7.00 6.73 6.70 and 7.13 respectively which are significantly different statistically (P ≤ 0.05) and bring. Education shelf life of the product mix cakes frozen watermelon rind. Physical chemical and microbiological By the cake mix frozen watermelon rind packed into plastic boxes sealed and stored at -21 ° C for 4 months the product remains safe for consumers since total microorganisms. Tub Tim Krob with watermelon rind The best include Ruby dissolves the calcium chloride 0.5 percent in the conditions of frozen watermelon rind. Because of its hardness and adhesion of the powder of ruby. Ratio of water to sugar syrup soaked watermelon pomegranate peel 3 46:11 there was swelling of ruby little different to that ratio. Water and sugar at 44:13 to the physical quality. By measuring the diameter of the shade water activity (aw) chemical properties of soluble solids content of 24.5 oBrix Then Tub Tim Krob. The color is a reddish color sai l * 22.27 26.46 and b * 3.06. Watermelon rind Loy Kaewlittle panelists found that the scores of recipes that use fresh pandan leaves into the water. The total soluble solids (% TSS) 19 0Brix because when it is refrigerated and eaten immediately do not add ice. Then compare the products on the market float. The watermelon rind is colored green and red titratable acidity - alkalinity (pH) were similar in the range of 4.00 to 5.00 due to the taste by crystallized. Add sour citric acid is used. Keep up the cause of the damage is difficult. Could be stored for at least 2 weeks product is safe for consumption. Consumer satisfaction with the products have moderate inclination. Dehydrated Watermelom Rind Reasonable temperature and drying time is 55:17 hrs. Most dried watermelon rind preserves the color brightness (L *) 25.22 the redness (a *) 5.64 and yellowness (b *) 10.45. and water activity 0.53 which is the standard set. Moisture 13:17 shelf dehydrated watermelon rind. Stored in plastic bags Sealed with a separate piece of heat stored at room temperature for 2 weeks it is safe to consume. The Resort complying and a community standard dry fruits study found that consumer acceptance. Consumers who have found a dehydrated watermelon rind like moderately satisfied.

The purpose of the application of watermelon rinds for bakery products is to study an appropriate amount of used watermelon rinds in four of bakery products such as cookie bar fruit cake Eclair with vanilla cream and coconut tarte. The research was planned in accordance with “Randomized Complete Block Design RCBD”. Sense test by tasting method by giving favorite scores of 9 levels (9 – Point Hedonic Scale) quality test of chemical composition and physical composition including acceptance test of 100 people towards the products were performed. The use of watermelon rinds in syrup added in cookie bar at 10% 15% and 20% of all total ingredients weight was found that the testing persons favored the cookie bar added watermelon rinds in syrup at 15% of all total ingredients weight. There are of favorite score in appearance color smell taste food texture and overall at 7.70 7.90 7.85 7.90 7.80 and 7.80 respectively. When analyzed with Oneway ANOVA compared the average of favorite scorn found that color smell taste food texture and overall the difference in statistical significant at (p  0.05). The approximate chemical compositions of cookie bar added watermelon rinds in syrup at 100g. were consisting of energy 436 Kcal carbohydrate 57.10g. protein 6.10g. fat 20.40g. moisture 15.20g. and ash 1.24g. physical quality of water activity (AW) as 0.80. The use of watermelon rinds in syrup substitute cherry in fruit cake at 50% 75% and 100% the testing persons favored the watermelon rinds in syrup substitute cherry in fruit cake at 100%. There are of favorite score in appearance color smell taste food texture and overall at 7.40 7.90 7.95 8.00 7.90 and 7.75 respectively. When analyzed with One-way ANOVA compared the average of favorite scorn found that color smell taste food texture and overall the difference in statistical significant at (p  0.05). The approximate chemical compositions of watermelon rinds in syrup substitute cherry in fruit cake at 100g. were consisting of energy 330 Kcal carbohydrate 63g. protein 6.08g. fat 5.93g. moisture 23.70g. and ash 1.31g. physical quality of water activity (AW) as 0.78. The use of watermelon rinds added in Eclair with vanilla cream at 20% 40% and 60% of vanilla cream weight was found that the testing persons favored the Eclair with vanilla cream added watermelon rinds at 20% of vanilla cream weight. There are of favorite score in color smell taste food texture and overall at 8.50 8.40 8.40 8.00 and 8.10 respectively. When analyzed with Oneway ANOVA compared the average of favorite scorn found that color smell taste food texture and overall the difference in statistical significant at (p  0.05). The approximate chemical compositions of Eclair with vanilla cream added watermelon rinds at 100g. were consisting of energy 190 Kcal carbohydrate 28.80g. protein 4.24g. fat 6.40g. moisture 59.70g. and ash 0.82g. physical quality of water activity (AW) as 0.97. The use of watermelon rinds substitute coconut in coconut tarte at 50% 75% and 100% the testing persons favored the watermelon rinds substitute coconut in coconut tarte at 75%. There are of favorite score in appearance color smell taste food texture and overall at 8.05 7.85 7.70 7.65 7.70 and 7.60 respectively. When analyzed with One-way ANOVA compared the average of favorite scorn found that appearance color taste food texture and overall the difference in statistical significant at (p  0.05). The approximate chemical compositions of watermelon rinds substitute coconut in coconut tarte at 100g. were consisting of energy 167 Kcal carbohydrate 27.80g. protein 1.78g. fat 5.38g. moisture 64.30g. and ash 0.69g. physical quality of water activity (AW) as 0.78. This research was found that the appected consumers in four of bakery products because of this products is add-value and using local ingredient from agriculture in this country. From the technology transfer of bakery products from watermelon rinds to community the results showed that the majority of participants were female with an average age ranging from 21 to 30 years old. Overall satisfaction level towards this project was high and respondent opinions towards trainers were high.

The study of Hydrilla (Hydrilla verticillata) effectiveness in water treatment was investigated using completely randomized designs with 4 Hydrilla densities: 0 (control) 30 50 and 70 plants. Each plot was experimented in round cement tanks added with sandy clay on the bottom. Fifty liters of canal water was then filled in. Along 6 weeks of the experiment each tank was aerated with no water exchanged. Results showed that there were no significant differences in values of temperature pH dissolved oxygen conductivity alkalinity hardness nitrite ammonia phosphate and biochemical oxygen demand in every treatment (p > 0.05). However the experimental plot with 50 hydrilla plants showed the best tendency in eradication of phosphate and improvement of biochemical oxygen demand at 86.00 and 45.73 percent respectively. On the other hand the experimental plot with 70 hydrilla plants showed the best tendency in eradication of ammonia and nitrite at 65.00 and 66.66 percent respectively.

In this study pH physical and microbiological qualities of clear and opaque plastic bottled drinking water produced in Buriram Province Thailand were investigated. Samples of bottled drinking water (N=22) were 8 clear plastic bottles and 14 opaque plastic bottles. Results showed that pH value of all samples were in a range of 6.04 ± 0.03 to 7.61 ± 0.01 in which 7 samples were not acceptable according to the criteria for drinking water in sealed containers declared by the Ministry of Public Health of Thailand. Coliform bacteria in all tested samples were less than 1.8 MPN/100mL and none of E. coli was detected. Therefore consumers of bottled drinking water produced from Buriram province should be aware of health safety because some drinking water products were unacceptable in terms of pH value.