Process for preparation of ripe banana slices
using osmotic dehydration was standardized. Fully ripe banana
fruits were peeled and slices of 8 mm thickness were
prepared. The slices were divided into 5 lots and pretreated
with sulphur fumigation @ 2 g/kg of slices for 2 h then each
lot was soaked in 60 0
Brix sugar syrup containing 0.1%
KMS + 0.1 % citrate, 0.1% KMS + 0.1% citrate + 0.2%,
0.4% and 0.8% ascorbic acid and control respectively. After
16 h soaking, quick washing, blotting and then cabinet drying
at 55 0
C for 10 h up to 18% moisture content was done.
The dried products were packed in 200 gauge polypropylene
bags and stored at ambient condition for 6 months. The
chemical, microbial and organoleptic changes were monitored
for 6 months. The osmo-dried banana slices prepared
with sulphur fumigation @ 2 g /kg slices for 2 h followed
by soaking in 60°Brix sugar syrup containing 0.1% KMS
+ 0.1% citrate + 0.2% ascorbic acid were found better with
respect to colour and appearance, fl avour, texture, taste and
overall acceptability with non-stickiness of the product.
Storage study showed that there was marginal decrease
in moisture content and organoleptic quality and increase
in TSS, total sugars and reducing sugars content of osmodried
banana slices. The products were found microbiologically
safe and sensorily acceptable up to 6 months storage
at ambient condition.
Process for preparation of ripe banana slicesusing osmotic dehydration was standardized. Fully ripe bananafruits were peeled and slices of 8 mm thickness wereprepared. The slices were divided into 5 lots and pretreatedwith sulphur fumigation @ 2 g/kg of slices for 2 h then eachlot was soaked in 60 0Brix sugar syrup containing 0.1%KMS + 0.1 % citrate, 0.1% KMS + 0.1% citrate + 0.2%,0.4% and 0.8% ascorbic acid and control respectively. After16 h soaking, quick washing, blotting and then cabinet dryingat 55 0C for 10 h up to 18% moisture content was done.The dried products were packed in 200 gauge polypropylenebags and stored at ambient condition for 6 months. Thechemical, microbial and organoleptic changes were monitoredfor 6 months. The osmo-dried banana slices preparedwith sulphur fumigation @ 2 g /kg slices for 2 h followedby soaking in 60°Brix sugar syrup containing 0.1% KMS+ 0.1% citrate + 0.2% ascorbic acid were found better withrespect to colour and appearance, fl avour, texture, taste andoverall acceptability with non-stickiness of the product.Storage study showed that there was marginal decreasein moisture content and organoleptic quality and increasein TSS, total sugars and reducing sugars content of osmodriedbanana slices. The products were found microbiologicallysafe and sensorily acceptable up to 6 months storageat ambient condition.
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