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Title Dehydration prawns in tunnel dryers
 
Names Balachandran, K.K.
Bose, A.N.
Date Issued 1965 (iso8601)
Abstract This paper deals with the dehydration of prawns in a tunnel
dryer . Conditions required to produce an end-product of desired
colour, shape and texture as well as good reconstitution and organoleptic
properties which are not obtained in the normal hot air drying, have
been worked out . An initial temperature and relative humidity of
90°C. and 85%-90% respectively and an air velocity not more than
1 metre/second are the essential conditions required . Both temperature
and relative humidity are to be reduced to 70°C and 40% respectively
after about an hour s operation, till the drying is complete . Flavour
of the reconstituted product is, close to that of the fresh cooked prawns
and the texture is judged to be soft. Drying time required to reduce
the moisture content of fresh prawns to 15% level is about 7 hours
compared to 6 - 7 hours in normal hot air drying and more than 36
hours in sun--drying.
Genre Article
Topic Marine prawns
Identifier Fishery Technology 1965: 2(1), 126-130