Quality of pineapple fruit and processed juice from different growing season in Okinawa.

Abstract

Summer fruits and juice had higher TSS and lower acidity and ascorbic acid and ash contents than winter fruits. The NO3-N content of the apex and peduncle portions was 17 times that of the flesh, and the peduncle portion was richest in TSS. The juice from peeled fruits was superior to that from whole fruits in sensory tests. pineapples; seasons; ascorbic acid; nitrates;