Qualidade de Grãos de Milho após Secagem e Armazenamento em Ambiente Natural e Resfriamento Artificial

Coradi, Paulo Carteri; Milane, Lélia Vanessa; Camilo, Lucas Jandrey; Andrade, Maria Gabriela de Oliveira; Lima, Roney Eloy

doi:10.18512/1980-6477/rbms.v14n3p420-432

Cited by 4 publications

(4 citation statements)

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“…Del Campo et al (2014) and Paraginski et al (2015) found that storage temperature directly affected dry matter loss, due the capacity of this factor influence the respiratory processes, increasing, or not, the metabolic rate of the product, and therefore the consumption of its reserves. Therefore, while the process of deterioration is inevitable, this process can be attenuated by using lower storage temperatures to increase product storage (Coradi et al, 2015a).…”

Section: Resultsmentioning

confidence: 99%

Castor Beans Quality Subjected to Different Storage Temperatures and Periods

et al. 2018

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The control of the temperature of the storage air have the ability to improve a better preservation of some types of agricultural products. However, the most effective temperature for storage as well as the duration of storage varies between products. Therefore, special attention should be concentrated on the storage temperature and its effects on the integrity and longevity of the produce. The objective of the present study was to evaluate the effects of storage temperature and storage period on the quality of castor beans. Castor seeds with a water content of approximately 6.1% (w.b.) were stored for 180 days at temperatures of 15, 25 and 35 °C. The quality of the seeds was evaluated every 45 days throughout the study period by measuring dry matter loss, electrical conductivity, color, and the free fatty acid and peroxide content of the crude oil extracted. Our results indicated that: a) higher storage temperature negatively affect the quality of the seeds and the extracted oil; b) the negative effect of temperature increase with longer storage period; c) the storage temperature of 15 °C least affect the quality of castor bean and the extracted oil.

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Section: Resultsmentioning

confidence: 99%

Castor Beans Quality Subjected to Different Storage Temperatures and Periods

et al. 2018

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“…), which are similar for the two types of fuel used in drying. Coradi et al (2015) also working with drying corn grains used 12% (w.b.) as final water content.…”

Section: Resultsmentioning

confidence: 99%

Quality of corn grains subjected to drying using direct-fired furnace fed with eucalyptus chips and firewood

et al. 2022

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The objective of this study was to evaluate the drying system using a dryer with furnace automatically fed with eucalyptus chips and another dryer manually fed with eucalyptus firewood, as well as assessing the quality of corn grains. Harvest was mechanically performed and the grains were transported by trucks to the storage unit for drying. Corn grain drying was conducted in mixed-flow dryers with a nominal capacity of 100 tons per hour. For air heating, two direct-fired furnaces were used, one automatically fed with eucalyptus chips and the other manually fed with firewood. Corn grains were evaluated for moisture content, apparent specific mass, thousand-grain weight, polycyclic aromatic hydrocarbons (PAHs), electrical conductivity and color. Drying corn grains with direct fire using firewood or chips as fuel causes contamination by PAHs. In general, the use of firewood or chips did not influence the quality of thousand-grain weight, apparent specific mass and color, while the use of chips increased electrical conductivity. It is essential that research advances in this subject, prioritizing the contamination of food, with proven carcinogenic activity, which should be treated as a high risk to public health.

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“…Among the factors influencing grain quality at postharvest are high grain moisture content, temperature, and intergranular relative humidity 4 , 5 . Elevation of these parameters can increase grain respiration and metabolic activity, causing deteriorations in the physicochemical quality of the grain and dry matter consumption, insect proliferation, and fungal infection in the grain mass 6 , 7 .…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, once the grains are harvested, they remain biologically active and depending on the conditions in which they are found can trigger several metabolic reactions causing both quantitative and qualitative losses 3 .Among the factors influencing grain quality at postharvest are high grain moisture content, temperature, and intergranular relative humidity 4,5 . Elevation of these parameters can increase grain respiration and metabolic activity, causing deteriorations in the physicochemical quality of the grain and dry matter consumption, insect proliferation, and fungal infection in the grain mass 6,7 .Taking into consideration that often the grain transport is carried out over long distances, and that the grain mass transported may have moisture content above the optimal conditions for storage, the risks of moisture and heat transfer during transport are high, causing possible grain mass heating [8][9][10] .Thus, to avoid these problems in transport and possible potential factors of alterations in the following postharvest processes, it is important to perform real-time monitoring of the temperature and relative humidity of the intergranular air in order to estimate the equilibrium moisture content, as well as to monitor the levels of…”

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confidence: 99%

Sensor-cable-probe and sampler for early detection and prediction of dry matter loss and real-time corn grain quality in transport and storage

Nunes

Coradi

Jaques

et al. 2023

Sci Rep

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Taking into account that the transport of grains can be carried out over long distances and that the mass of grains during transport often has high moisture content, there may be risks of heat and moisture transfer and heating of the grains mass, proving quanti-qualitative losses. Thus, this study aimed to validate a method with probe system for real-time monitoring of temperature, relative humidity and carbon dioxide in the grain mass of corn during transport and storage to detect early dry matter losses and predict possible changes on the grain physical quality. The equipment consisted of a microcontroller, system's hardware, digital sensors to detect air temperature and relative humidity, a non-destructive infrared sensor to detect CO2 concentration. Real-time monitoring system determined early and satisfactorily in an indirect way the changes in the physical quality of the grains confirming by the physical analyses of electrical conductivity and germination. The equipment in real-time monitoring and the application of Machine Learning was effective to predict dry matter loss, due to the high equilibrium moisture content and respiration of the grain mass on the 2-h period. All machine learning models, except support vector machine, obtained satisfactory results, equaling the multiple linear regression analysis.

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Qualidade de Grãos de Milho após Secagem e Armazenamento em Ambiente Natural e Resfriamento Artificial

Cited by 4 publications

References 0 publications

Castor Beans Quality Subjected to Different Storage Temperatures and Periods

Castor Beans Quality Subjected to Different Storage Temperatures and Periods

Quality of corn grains subjected to drying using direct-fired furnace fed with eucalyptus chips and firewood

Sensor-cable-probe and sampler for early detection and prediction of dry matter loss and real-time corn grain quality in transport and storage

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