T.H.Tay

Abstract

Studies on the changing visual characteristics of the peel and flesh with ripening uf seven pineapple cultivars commonly grown in Malaysia were conducted. lt was shown that there was some differences in the colour changes of the peel with ripening. Difference in development of the golden colour of the flesh was also noted. With the Masmerah and Mauritius cvs. the development of golden colour flesh starts from the central area around the core and radiates outwards to the peel as ripening procceds. For the other cultivars understudy, the golden colour of the flesh develops from the peduncle end and proceeds towards the crown end with ripening. The fruit sugar and acid contents of the Masmerah cv. increase to their maximum at four fruitlets ripe and three fruitlets ripe respectively.The sugar/acid ratio and percent population with yellow/golden flesh and partially to full translucent flesh increase steadily to the five fruitlets ripe stage and then flatten off.

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