Volume 17, Issue 105 (2020)                   FSCT 2020, 17(105): 71-80 | Back to browse issues page

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Ebrahimi S E, Kochaki A, Mohebi M, Milani E. Effect of drying temperature and glycerol on physical and mechanical properties of Lepidium perfoliatum seed gum - grass pea (Lathyrus sativus) protein isolate composite film. FSCT 2020; 17 (105) :71-80
URL: http://fsct.modares.ac.ir/article-7-45702-en.html
Abstract:   (1763 Views)
In this study, the effect of glycerol concentrations (60, 70 and 80 %) and drying temperatures (45, 60 and 75 °C) on physical and mechanical properties of Lepidium perfoliatum seed gum-grass pea (Lathyrus sativus) protein isolate composite film was investigated. Results showed that with increasing the temperature from 45°C to 75°C, the drying time needed for the composite film containing 60 and 70% reduced. Whilst, drying times of the samples with 70 and 80% glycerol were nearly the same. Water solubility, moisture absorption and elongation at break (E%) reduced when the drying temperature increased and the elastic modulus (EM) decreased. With increasing glycerol concentration from 60 to 80 %, water solubility and moisture absorption increased and E% and EM reduced.
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Article Type: Original Research | Subject: Food quality control
Received: 2020/09/2 | Accepted: 2020/10/31 | Published: 2020/10/31

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