Studies on stifling and drying of cocoons for longer storage

Long term storage of stifled cocoons is an important problem during unfavourable seasonal conditions. Cocoons could be stifled within 20 minutes by using steam al 90°C. The shade drying of steam stifled cocoons in thin layers reduced the moisture content from 228 per cent (db) to 3 1.7 per cent (db)...

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Bibliographic Details
Published in:Drying technology 1998, Vol.16 (1/2), p.369-375
Main Authors: Thangavel, K, Palaniswamy, P.T, Kailappan, R
Format: Article
Language:English
Subjects:
CAPULLOS
COCON
COCOONS
DRYING
drying rate
equilibrium moisture content
GUSANO DE SEDA
hot air conditioning
PRESERVACION
PRESERVATION
SECADO
SECHAGE
shade drying
SILKWORMS
VER A SOIE
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Summary:Long term storage of stifled cocoons is an important problem during unfavourable seasonal conditions. Cocoons could be stifled within 20 minutes by using steam al 90°C. The shade drying of steam stifled cocoons in thin layers reduced the moisture content from 228 per cent (db) to 3 1.7 per cent (db) within 10 days. By hot air conditioning method the cocoons could be stifled and dried simultaneously. Using hot air at 90°C the cocoons could be stifled within 10 minutes, and dried to the equilibrium moisture content within 2 hours. The cocoons stifled by the hot air conditioning method could be reeled even just after stifling.
ISSN:0737-3937
1532-2300
DOI:10.1080/07373939808917411