Effect of moisture content of two paddy varieties on the physical and cooked properties of produced rice

Alhendi, Abeer S.; Al-Rawi, Salam H.; Jasim, Ahmed

doi:10.1590/1981-6723.18418

Cited by 9 publications

(12 citation statements)

References 17 publications

(29 reference statements)

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“…This might be because the seed became softer, more difficult to separate from the hull and kernel, and more readily broken as the moisture level increased. These findings are consistent with dehulling of flaxseed, which has a lower moisture content that is favorable for dehulling [8], but paddy and sorghum have higher moisture contents that are favorable for dehulling at 10-14 percent [9] and 14.3 percent [10], respectively, to obtain the best-dehulled seed.…”

Section: Discussionsupporting

confidence: 80%

Effect of grain moisture on dehulling of Nymphaea pubescens seed

Fatimah

Fitrial

Rukmini

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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Grain Nymphaea pubescens has been widely consumed as traditional food such as snack bars and cake in South Kalimantan. The first experiment of this study focused on the difference in moisture content of N. pubescens seed after harvest to prevent seed decay and higher dehulling recovery. Dehulling was performed with a laboratory model seed polisher/dehulling apparatus. Dehulling experiments were carried out on samples exhibiting moisture contents ranging from 10% to 20.6 %. Dehulling of N. pubescens seed was affected by moisture content. The optimum grain moisture for dehulling N. pubescens seed was 10% and 13.2%, respectively, with a higher amount of dehulled seed, resulting in dehulling efficiency of 48.6% and 45.6 %, respectively, and lower levels of powder and broken seed. The dehulling efficiency decreased with an increased moisture content of N. pubescens seed.

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Section: Discussionsupporting

confidence: 80%

Effect of grain moisture on dehulling of Nymphaea pubescens seed

Fatimah

Fitrial

Rukmini

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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“…Nonetheless, in Malaysia, the storage of rice grains is challenging due to the hot, humid climate, which has a relative humidity of approximately 80%. According to [ 9 , 13 , 14 ], to preserve the rice quality and allow long-term storage, grains must be dried to 11–14% moisture content. Grains with higher moisture content tend to be frail and may be pulverized, and encourage the development of fungal invasion.…”

Section: Introductionmentioning

confidence: 99%

A New Method of Rice Moisture Content Determination Using Voxel Weighting-Based from Radio Tomography Images

Ramli

Rahiman

Kamarudin

et al. 2021

Sensors

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This manuscript presents a new method to monitor and localize the moisture distribution in a rice silo based on tomography images. Because the rice grain is naturally hygroscopic, the stored grains’ quality depends on their level of moisture content. Higher moisture content leads to fibre degradation, making the grains too frail and possibly milled. If the moisture is too low, the grains become brittle and are susceptible to higher breakage. At present, the single-point measurement method is unreliable because the moisture build-up inside the silo might be distributed unevenly. In addition, this method mostly applies gravimetric analysis, which is destructive. Thus, we proposed a radio tomographic imaging (RTI) system to address these problems. Four simulated phantom profiles at different percentages of moisture content were reconstructed using Newton’s One-Step Error Reconstruction and Tikhonov Regularization algorithms. This simulation study utilized the relationship between the maximum voxel weighting of the reconstructed RTI image and the percentage of moisture content. The outcomes demonstrated promising results, in which the weighting voxel linearly increased with the percentage of moisture content, with a correlation coefficient higher than 0.95 was obtained. Therefore, the results support the possibility of using the RTI approach for monitoring and localizing the moisture distribution inside the rice silo.

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“…The grains from the farmers have a moisture content of around 14%, which is resulted from traditional drying under the sun's rays. Moisture content is crucial because it determines the quality of the milling process in terms of extraction rate (milling yield), the percentage of broken grains, and the cooking properties of the milled rice [39]. Drying is a vital process to increase yield in rice production, and improper drying can negatively impact grain quality for subsequent processing [40].…”

Section: A Raw Rice Qualitymentioning

confidence: 99%

Performance and Prospects of Mobile Rice Mill Unit

Haryanto¹,

Adi²,

Suharyatun³

et al. 2022

Int. J. Adv. Sci. Eng. Inf. Technol.

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Rice milling is one of the important steps in post-harvest operations to get good quality white rice. As an innovation in improving customer service, a mobile rice mill unit (MRMU) has recently been operated in various rice-producing areas. The objective of this study was to evaluate the performance and prospects of MRMU based on technical and economic analysis. The research was conducted in East Lampung Regency, Lampung, Indonesia, by observing three MRMUs. Each mill was observed for three working days to obtain MRMU performance data, namely grain quality, milled yield, working time, fuel consumption, working capacity, and quality of white rice produced. Other information includes machine price, the machine age, estimated economic life, investment, interest rate, fuel consumption, operator wage, milling charge, and repair and maintenance costs. Results showed that MRMU had an actual capacity between 63.29-98.82 kg/hour with a milled yield between 60.41-64.96%. The white rice produced has a proportion of head rice 58.26-61.42%, with a whiteness index less than the SNI for rice quality standards. The unit cost of the rice milling process using MRMU was an average of 457.91 IDR/kg. At a milling charge of 666.67 IDR/kg, the operation of MRMU is economically feasible at an annual working hour higher than 1000 h. In addition, the MRMU operation was not economically acceptable at a milling charge of 500 IDR/kg. With the rapid growth in the rice milling numbers, an unbiased regulation is required to avoid unhealthy competition among the MRMU enterprises.

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Effect of moisture content of two paddy varieties on the physical and cooked properties of produced rice

Cited by 9 publications

References 17 publications

Effect of grain moisture on dehulling of Nymphaea pubescens seed

Effect of grain moisture on dehulling of Nymphaea pubescens seed

A New Method of Rice Moisture Content Determination Using Voxel Weighting-Based from Radio Tomography Images

Performance and Prospects of Mobile Rice Mill Unit

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