000 03195nab a22003977a 4500
999 _c62501
_d62493
001 62501
003 MX-TxCIM
005 20211006085214.0
008 200212s2019 pk |||p|op||| 00| 0 eng d
022 _a1018-7081
022 _a2309-8694 (Online)
040 _aMX-TxCIM
041 _aeng
100 1 _96368
_aMaqbool, M.A.
245 1 0 _aEffects of post harvest drying on kernel quality of maize
260 _aLahore (Pakistan) :
_bPakistan Agricultural Scientists Forum,
_c2019.
500 _aPeer review
520 _aTo overcome the prevailing vitamin A deficiency, provitamin A biofortified maize hybrids were introduced by CIMMYT in Pakistan. Provitamin A carotenoids are sensitive to light and temperature therefore, careful handling is prerequisite. Conventionally direct sun drying of cobs is practiced in the region after harvesting but there was need to optimize the post-harvest drying conditions to retain the nutritional value in biofortified maize hybrids. Direct and indirect sun drying was practiced in current study to evaluate the nutritional losses caused by direct exposure to sun light. Current experiment was conducted under completely randomized design with two factor factorial treatment structure with two replications. Experimental treatments were direct and indirect post-harvest sun drying of cobs. Experimental results showed that starch contents were affected negatively in maize cobs by direct exposure to sun light for drying. Losses in starch contents resulted in proportional increase of protein and oil contents in maize hybrids. Ash contents were also increased in direct sun drying of maize cobs relative to indirect (shade) sun drying. Significant losses of total carotenoid and pro-vitamin A contents were observed under direct exposure to sun light. Carotenoid pigment losses were attributed to susceptibility to oxidative damage and light absorption capacity. Indirect or shade drying harbored the favorable results to retain the optimal kernel quality traits. Among all studied exotic hybrids, HP1097-15 and HP1097-16 were more stable because these were subjected to minimum losses in kernel quality traits under direct sun drying. HP1097-15 was also high yielding based on grain yield among the tested hybrids. It is recommended that indirect (under shade) post-harvest drying of cobs should be practiced to avoid the nutritional losses in pro-vitamin A biofortified maize hybrids.
526 _aMCRP
_bFP3
546 _aText in English
650 7 _2AGROVOC
_91226
_aProvitamins
650 7 _2AGROVOC
_99710
_aFood fortification
650 7 _2AGROVOC
_915555
_aShade
650 7 _2AGROVOC
_912723
_aMoisture content
650 7 _2AGROVOC
_91032
_aCarotenoids
650 7 _2AGROVOC
_91224
_aProteins
650 7 _2AGROVOC
_95810
_aStarch
650 7 _2AGROVOC
_914102
_aKeeping quality
650 7 _aMaize
_gAGROVOC
_2
_91173
700 1 _96370
_aAslam, M.
700 1 _94244
_aBeshir, A.
700 1 _96373
_aKhan, M. S.
700 1 _96374
_aAhsan, M.
773 0 _dLahore (Pakistan) : Pakistan Agricultural Scientists Forum, 2019.
_gv. 29, no. 1, p. 174-181
_tJournal of Animal and Plant Sciences
_x1018-7081
_w57358
942 _2ddc
_cJA
_n0