Year: 2015 | Month: March | Volume 8 | Issue 1
Changes in fruit colour of Dusehari mangoes during ethephon induced ripening
DOI:10.5958/2230-732X.2015.00013.3
Abstract:
The effect of ethephon on colour changes of Dusehari mango (Mangifera indica) fruits during ripening was examined. Physiological mature fruits were given post harvest dip of ethephon solution @ 0, 200, 400, 600, 800 and 1000 ppm for five minutes. Treated fruits were packed in CFB boxes placed at ambient conditions for ripening. Fruit peel and pulp colour was determined after 48, 72, 96, 120 and 144 h after ripening treatments using Hunter Lab scale. Results revealed that all ethephon treatments enhanced colour development as compared to control. The luminosity of peel increased with increase in concentration of ethephon as well as with ripening period. The greenness of peel as reflected by ‘a’ values decreased with ripening treatments and period. However ‘a’ value for pulp increased with development of redness of tissue. The fruit peel developed yellowish colour with ethephon treatments as evidenced by increase in values of ‘b’. The effect of ethephon on colour changes at higher doses (800 ppm and 1000 ppm) was non-significant after 120 h of ripening period.
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