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008			110910s1986 th uu|m rtt 0| a1eng d
035			_a.b1021401x
099		9	_aAIT Thesis no. AE-86-01
100	0		_aMaryanto
245	1	0	_aDrying of mango slices with heated air
260			_aBangkok : _bAsian Institute of Technology, _c1986
300			_a41 p.
490	1		_aThesis ; _vno. AE-86-01
500			_aA research study submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Environment, Resources and Development
502			_aThesis (M.Eng.) - Asian Institute of Technology, 1986
520			_aDrying characteristics of mango slices were studied in a cabinet dryer using heated air. The effect of predrying treatments was also investigated to obtain the final product of superior quality. Experimental conditions included three air temperatures of 50,60 and 70C̕ three slice thicknesses of 0.5, 1.0 and 1.5 cm and four tray loadings of 1.225, 2.45, 3.675 and 4.9 kg/m2, respectively, Four predrying treatments consisted of dipping the mango slices in solutions of 1.5% sodium metabisulphite, 1.5% potassium metabisulphite followed dipping in 0.4% calcium chloride, steam blanching and no treatment serving as control. The relative humidity of the air was not controlled. The ambient air temperature and humidity during drying ex0periments were in range of 28-32C and 80-85%, respectively. A simple logarithmic model described the drying results adequately. The drying constant depended upon the air temperature, slice thickness and material loading. The dried mango slices appeared to be of good color when treated with sulphite solutions at all drying temperatures. Drying air temperature had a more influence on the texture of mango slices irrespective of the predrying treatment. There were strong correlations between subjective and instrumental measurements of the quality attributes of dried mango slices. The loss in vitamin C was more influenced by the predrying treatment than air temperature. In general, sulphite treatment resulted in least loss of vitamin C due to drying.
650		0	_aMango
650		0	_aFruit _xDrying
700	1		_aJindal, Vinod Kumar, _eChairperson
700	1		_aIllangantileke, Sarath G., _eExamination Committee
700	1		_aGupta, Chandra P., _eExamination Committee
710	2		_aASEAN, USAID, _eScholarship Donor
810	2		_aAsian Institute of Technology. _tThesis ; _vno. AE-86-01
856			_3Full-Text _uhttp://203.159.5.9/ait-thesis/detail.php?q=B19563
907			_a.b1021401x _bmnait _cs
902			_a240329
998			_b2 _c951012 _dm _ea _fs _g0
945			_lmnait
945			_lmnait
945			_lmnarc
942			_c20
942			_c40
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