2019
DOI: 10.5935/1806-6690.20190006
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Kinetics study and modelling of sorghum grain hydration

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Cited by 6 publications
(11 citation statements)
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“…The diffusivity dependency of the increasing temperature suggests that the vibration level of the water molecules favors moisture vapor diffusivity during the product drying. Similar results have been reported by other authors, such as Silva et al (2014) found values from 2.1 × 10 −10 to 6.8 × 10 −10 m 2 /s for pigeon pea grains in the temperature range of 40 to 70 C. Silva, Jorge, and Jorge (2019) found values in the range of 2.017 × 10 −11 to 6.342 × 10 −11 m 2 /s for two varieties of sorghum grain at temperatures of 30-60 C. Botelho T A B L E 3 Effective diffusivity determined by the Fick model with different number of terms Hoscher, Hauth, and Botelho (2018) studying soybean varieties obtained values that varied from 2.18 × 10 −11 to 3.87 × 10 −11 for early harvested soybean variety NS7901RR and from 2.55 × 10 −11 to 4.216 × 10 −11 m 2 /s for the variety TMG1180RR, both at the temperature range of 40-70 C. For the medium cycle soybean varieties TMG132RR and P98Y70, the values were respectively 3.27 × 10 −11 to 5.46 × 10 −11 and 2.78 × 10 −11 to 4.33 × 10 −11 m 2 /s, also for the temperature range of 40-70 C. Therefore, the results found for the chickpea diffusivity are in a similar range and order (10 −9 to 10 −11 m 2 /s) when compared to the other agriculture products in previous reports.…”
Section: Effective Diffusivity Coefficientsupporting
confidence: 92%
“…The diffusivity dependency of the increasing temperature suggests that the vibration level of the water molecules favors moisture vapor diffusivity during the product drying. Similar results have been reported by other authors, such as Silva et al (2014) found values from 2.1 × 10 −10 to 6.8 × 10 −10 m 2 /s for pigeon pea grains in the temperature range of 40 to 70 C. Silva, Jorge, and Jorge (2019) found values in the range of 2.017 × 10 −11 to 6.342 × 10 −11 m 2 /s for two varieties of sorghum grain at temperatures of 30-60 C. Botelho T A B L E 3 Effective diffusivity determined by the Fick model with different number of terms Hoscher, Hauth, and Botelho (2018) studying soybean varieties obtained values that varied from 2.18 × 10 −11 to 3.87 × 10 −11 for early harvested soybean variety NS7901RR and from 2.55 × 10 −11 to 4.216 × 10 −11 m 2 /s for the variety TMG1180RR, both at the temperature range of 40-70 C. For the medium cycle soybean varieties TMG132RR and P98Y70, the values were respectively 3.27 × 10 −11 to 5.46 × 10 −11 and 2.78 × 10 −11 to 4.33 × 10 −11 m 2 /s, also for the temperature range of 40-70 C. Therefore, the results found for the chickpea diffusivity are in a similar range and order (10 −9 to 10 −11 m 2 /s) when compared to the other agriculture products in previous reports.…”
Section: Effective Diffusivity Coefficientsupporting
confidence: 92%
“…Beberapa penelitian telah dilakukan untuk mengkaji proses perendaman biji sorgum (Silva, Jorge, & Jorge, 2018;Kashiri, Kashaninejad, & Aghajani, 2010). Namun efek perendaman terhadap proses kinetika reaksi perubahan sifat fisik maupun kimia biji sorgum belum banyak dilaporkan.…”
Section: Pendahuluanunclassified
“…Pada perlakuan perendaman dengan menggunakan larutan NaHCO 3 0,3%, terjadi peningkatan nilai koefisien difusi. Pengamatan ini sesuai dengan hasil yang dilaporkan oleh Snyder (1936) Silva et al, (2018).…”
Section: Kadar Airunclassified
“…Penyerapan air dalam proses perendaman biji-bijian dipengaruhi oleh kadar air awal, jenis bijian, lama perendaman, suhu dan keasaman air (Karapantsios, Sakonidou, & Raphaelides, 2002). Meningkatkan suhu perendaman adalah cara paling efektif untuk mempercepat penyerapan air sehingga mempersingkat waktu perendaman pada biji sorgum (Silva, Jorge, & Jorge, 2018), biji jagung (Agarry, Afolabi & Tunde-Akintunde, 2014), dan biji padi (Ganguli & Ghosh, 2014).…”
Section: Pendahuluanunclassified
“…Nilai energi aktivasi yang lebih kecil pada perendaman alkali bermakna bahwa perendaman pada larutan alkali akan mempercepat proses difusi atau penyerapan air dalam bahan. Besarnya nilai energi aktivasi perendaman biji sorgum, jagung, dan hanjeli yang berkisar 2,34 -8,02 kJ mol -1 dalam penelitian ini selaras dengan apa yang sudah dilaporkan oleh Silva, Jorge, & Jorge, (2018)…”
Section: Energi Aktivasiunclassified