The Effect of Drying Temprature on Drying Time and Rehydration Rate of White Button Mushroom (Agaricus bisporus) in Halogen Heater

Year 2019, Volume: 10 Issue: 3, 172 - 177, 26.12.2019

Elif Sena Kırmızıkaya , İnci Çınar

Abstract

   Present work investigated the effect of drying temperature
on drying time and rehydration rate of white button mushroom (Agaricus
bisporus) in halogen heated drier. Samples having 1 cm thickness were dried
at 40, 50 and 60^oC in halogen heated drier. Drying curves were
prepared from the plots of sample weight losses during drying at the time
interval of 10 min for first hour of drying and 30 min for the rest.
Rehydration rates were determined by the weight gain of dried samples in 10,
20, 30 60 and 1440 mins of rehydration. Drying time of mushroom samples to
reach final moisture content of 6.58% were 480, 240 and 150 min for drying at
40, 50 and 60^oC while rehydration rates were 92.02, 90.53 and 90.40%
respectively. Study showed that the increase in drying temperature resulted in
decrease drying time and rehydration rate. Two way variance analyses indicated
that the effect of drying temperature increase on drying time was statistically
important (p<0.05) this effect on rehydration rate was not statistically
important (p>0.05).

Keywords

White button mushroom, halogen heater, drying curves, rehydration

Halojen Isıtıcılı Kurutucuda Kurutma Sıcaklığının Beyaz Şapkalı Mantarının (Agaricus bisporus) Kuruma Süresi ve Rehidrasyon Oranına Etkisi

Abstract

Çalışmada halojen
ısıtıcılı kurutmada kurutma sıcaklıklarının kültür mantarının (Agaricus
bisporus) kurutulmasında kuruma süresi ve rehidrasyon oranına etkileri
araştırılmıştır. 1
cm kalınlıkta kesit alınan örnekler halojen ısıtıcılı kurutucuda 40, 50 ve 60°C’de kurutulmuştur.
Kuruma eğrileri ilk saatte 10’ar dk devamında 30 dk periyotlarda örnek
ağırlıkları kaydedilerek oluşturulmuştur. Rehidrasyon oranı kurutulmuş
örneklerin 10, 20, 30, 60 ve 1440 dakikalık rehidrasyon sonucu %ağırlık
artışıyla ifade edilmiştir. Mantar örneklerinin 40, 50 ve 60°C’de kurutulmalarında
son nem içeriğine (%6.58) ulaşma süreleri sırasıyla 480, 240 ve 150 dk iken
rehidrasyon oranları %92.02, 90.53 ve 90.40 olarak kaydedilmiştir. Çalışmada
kurutma sıcaklığının artmasının kuruma süresini kısalttığı ancak rehidrasyon
oranında azalmaya sebep olduğu görülmüştür. İki yönlü varyans analizlerinde ise
sıcaklık artışının kuruma süresi üzerine etkisi istatistiksel olarak önemli
(p<0.05) iken rehidrasyon oranına etkisi önemsiz bulunmuştur (p>0.05).

Keywords

Beyaz şapkalı mantarı, A. bisporus, halojen ısıtıcılı kurutucu, kuruma eğrisi, rehidrasyon

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