Moisture Sorption Isotherms of Vetch Seeds at Four Temperatures

Menkov, N.

doi:10.1006/jaer.2000.0551

Cited by 21 publications

(26 citation statements)

References 20 publications

(6 reference statements)

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“…Table 4 shows that the performance parameters E s and R 2 followed a similar pattern among models and corn stover components, but the E m pattern deviated more from that of the other parameters. Such deviations among performance parameters have been frequently encountered (Boente et al, 1996;Soysal and Öztekin, 1999;Menkov, 2000;Viswanathan et al, 2003;Aviara et al, 2004). The pattern in F-statistic values resembled the E s and R 2 patterns.…”

Section: Isotherms Fitting and Evaluationmentioning

confidence: 63%

“…(Boente et al, 1996;Soysal and Öztekin, 1999;Menkov, 2000;Viswanathan et al, 2003;Aviara et al, 2004) showed that E m , E s , and R 2 did not always line up with the indicated performance ranking of the models. In such situations, E s and R 2 were typically prioritized.…”

Section: Isotherm Model Selection and Evaluationmentioning

confidence: 93%

“…Hence, based on prediction capabilities and randomized residuals, the modified Oswin isotherm model (R 2 = 0.98 to 0.995; F = 2085 to 10763) was considered best for corn stover component moisture sorption isotherm analysis. Several studies with biological materials (Chen and Morey, 1989;Soysal and Öztekin, 1999;Yu et al, 1999;Menkov, 2000;Aviara et al, 2004) reported good prediction performance of the modified Oswin isotherm model. The modified Halsey model (R 2 = 0.97 to 0.99; F = 1758 to 9424) placed a close second.…”

Section: Isotherms Fitting and Evaluationmentioning

confidence: 99%

“…), coefficient of determination (R 2 ), and F-statistic values. Most published works (Chen and Morey, 1989;Menkov, 2000;Viswanathan et al, 2003) used these parameters in model performance analysis. In this study, the (Greenspan, 1977).…”

Section: Isotherm Model Selection and Evaluationmentioning

confidence: 99%

“…Six candidate isotherm models for corn stover included the following: Henderson, modified Henderson, modified Chung-Pfost, modified Halsey, modified Oswin, and Guggenheim-Anderson-deBoer (GAB) (ASAE Standards, 2003a). The GAB model does not incorporate the effect of temperature; therefore, a modified GAB isotherm model to include temperature variation was developed (Jayas and Mazza, 1993;Menkov, 2000).…”

mentioning

confidence: 99%

See 4 more Smart Citations

Sorption Equilibrium Moisture Characteristics of Selected Corn Stover Components

Igathinathane¹,

Womac²,

Sokhansanj³

et al. 2005

Transactions of the ASAE

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Section: Isotherms Fitting and Evaluationmentioning

confidence: 63%

Section: Isotherm Model Selection and Evaluationmentioning

confidence: 93%

Section: Isotherms Fitting and Evaluationmentioning

confidence: 99%

Section: Isotherm Model Selection and Evaluationmentioning

confidence: 99%

mentioning

confidence: 99%

See 3 more Smart Citations

Sorption Equilibrium Moisture Characteristics of Selected Corn Stover Components

Igathinathane¹,

Womac²,

Sokhansanj³

et al. 2005

Transactions of the ASAE

View full text Add to dashboard Cite

Adsorption isotherms for red chilli (Capsicum annum L.)

Mehta

Singh

2006

Eur Food Res Technol

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Sorption Isotherms of Barnyard Millet Grain and Kernel

Singh

Mishra

Saha

2009

Food Bioprocess Technol

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The moisture sorption isotherms of grain and kernel of barnyard millet (Echinochloa frumentacea) were determined at 20, 30, 40, and 50°C. A gravimetric static method was used under 0.112-0.964 water activity (a w ) range for the determination of sorption isotherms. The models were compared using the coefficient of determination (r 2 ), reduced chi-square (χ 2 ) values, and on the basis of residual plots. In grain, modified Chung-Pfost (r 2 >0.99; χ 2 <0.7) and modified Oswin (r 2 >0.99; χ 2 <0.55) models were found suitable for predicting the M e -a w relationship for adsorption and desorption, respectively. Modified Henderson model was found to give the best fit (r 2 >0.99 and χ 2 <0.55) for describing the adsorption and desorption of the kernel. The isosteric heat, calculated using ClausiusClapeyron equation, was varied between 46.76 and 61.71 kJ g −1 mol −1 at moisture levels 7-21% (d.b.) for grain and 47.11-63.52 kJ g −1 mol −1 at moisture level between 4% and 20% (d.b.) for kernel. The monolayer moisture content values ranged from 4.3% to 6% d.b. in the case of adsorption of barnyard millet grain and 5.2-6.6% d. b. in the case of desorption at the temperature ranges of 50-20°C. The monolayer moisture values of barnyard millet kernel ranged from 4.4% to 6.67% d.b. in adsorption and 4.6% to 7.3% d.b. in desorption in the temperature ranges of 50-20°C. Keywords Sorption isotherm . Barnyard millet . Equilibrium moisture content . Water activity . Isosteric heat . Monolayer moisture Nomenclature A, B, C constants used in sorption models P, q, r constants used in monolayer moisture content models a w water activity, decimal ΔH latent heat of vaporization of pure water, kJ mol −1 (43.53 kJ mol −1 at 35°C) M moisture content, % (d.b.) M e equilibrium moisture content, % (d.b.) M ex experimental equilibrium moisture content, decimal M pr predicted equilibrium moisture content, decimal n number of constants N number of observation Q st isosteric heat sorption, kJ g −1 mol −1 q st net isosteric heat of sorption, kJ g −1 mol −1 R universal gas constant, kJ mol −1 K −1 (0.008314 kJ mol −1 K −1 ) r 2 coefficient of determination T temperature, K χ 2 reduced chi-square m o monolayer moisture content, % (d.b.) t temperature,°C

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Moisture Sorption Isotherms of Vetch Seeds at Four Temperatures

Cited by 21 publications

References 20 publications

Sorption Equilibrium Moisture Characteristics of Selected Corn Stover Components

Sorption Equilibrium Moisture Characteristics of Selected Corn Stover Components

Adsorption isotherms for red chilli (Capsicum annum L.)

Sorption Isotherms of Barnyard Millet Grain and Kernel

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