Physical Alterations in Sunflower Grains After Drying at Different Temperatures of the Air

Coradi, Paulo Carteri; Helmich, Jean Carlos; Fernandes, Carlos Henrique Portela

doi:10.3738/1982.2278.1502

Cited by 1 publication

(3 citation statements)

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“…Usually, for most agricultural products, both superficial area and volume decrease with moisture content decrease, as reported by Tavakoli et al (2009), Siqueira et al (2012), Araujo et al (2015) and Coradi et al (2015). Such physical properties are dependent, basically, by its principal dimension characteristics of the product.…”

Section: Resultsmentioning

confidence: 86%

“…This trend was also observed by Siqueira et al (2012), working with jatropha. Araujo et al (2015), Botelho et al (2016) and Coradi et al (2015), working with peanuts, coffee and sunflower, respectively, did not observed this trend.…”

Section: Resultsmentioning

confidence: 90%

“…Moisture is the variable that most affects the physical properties of agricultural products, as observed by Araujo et al, (2015), Araujo et al, (2014), Oliveira et al, (2013), among others. Along with moisture content, other variables also impact the physical properties, such as drying air temperature (Coradi et al, 2015;Oliveira et al, 2010), and seeding period (Bornhofen et al, 2015). Physical properties of grain and cereals have direct application on quality evaluation or optimization and development of machinery used in grain handling, from seeding until storage.…”

Section: Introductionmentioning

confidence: 99%

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Physical Properties of Different Soybean Cultivars During Drying

et al. 2018

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The knowledge of physical properties of grains is important for the optimization of postharvest operations. Thus, this study aimed to evaluate the effect of moisture content over physical properties of different cultivars of soybean. Soybean of cultivars NS7901RR, TMG1180RR, P98Y70 and TMG132RR were used, with initial moisture content of 0.32, 0.27, 0.25 and 0.21 dry basis (d.b.), respectively. In order to dry the samples, an oven of forced air circulation was used. Samples were dried at temperature of 50 ºC, being the drying procedure stopped when the moisture content of soybean was equal or inferior than 0.15 (d.b.). During drying, for interested moisture contents, physical properties were determined: bulk density, equivalent diameter, sphericity, circularity and surface/volume ratio. It was noticed that all physical properties analyzed presented a direct relationship with moisture content. With exception of the equivalent diameter, all the remaining physical properties increased linearly with moisture content reduction. Physical differences were observed among soybean cultivars during drying. However, variation of analyzed properties occurred in different proportions during drying for each cultivar.

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Section: Resultsmentioning

confidence: 86%