Study of drying characteristics of large-cardamom

Rao, VegiMaheswara; Mande, Sanjay; Kishore, V.V.N.

doi:10.1016/s0961-9534(00)00047-7

Cited by 11 publications

(4 citation statements)

References 2 publications

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“…This value is estimated at 7451 kg for the case of electricity substitution. Table 7 presents common input parameters used for estimation of CO 2 emissions mitigation potential of solar crop drying in India (ADB, 1998;Bhattacharya et al, 1999;Kumar and Kandpal, 2004;Rao et al, 2001). Values of some relevant crop specific input parameters used for solar crop drying are presented in Table 8 (Kumar and Kandpal, 2004).…”

Section: Resultsmentioning

confidence: 99%

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CO₂Emissions Mitigation Potential of Some Renewable Energy Technologies in India

Kumar

Kandpal

2007

Energy Sources, Part A: Recovery, Utilization, and Environmenta

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An attempt to develop simple frameworks for quantification of the CO 2 emissions mitigation potential of renewable energy technologies for domestic water heating, domestic lighting, water pumping, and crop drying has been made. The annual useful energy provided by each of the renewable energy technology and the annual saving of fuel/electricity have been estimated. The gross annual amount of CO 2 emissions mitigation, as well as net amount of annual CO 2 emissions mitigation potential of each technology, is estimated by taking into account the CO 2 emissions embodied in the device.

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Section: Resultsmentioning

confidence: 99%

“…Kumar and T. C. Kandpal (Bhattacharya et al, 1999) and for small cardamom it is 0.06 (Rao et al, 2001). b SCM: standard cubic meters (defined as heating value of one SCM natural gas is 10000 kcal).…”

mentioning

confidence: 99%

CO₂Emissions Mitigation Potential of Some Renewable Energy Technologies in India

Kumar

Kandpal

2007

Energy Sources, Part A: Recovery, Utilization, and Environmenta

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“…Rao et al (2001) secaram cardamomogigante (Amomum subulatum Roxburgh) com ar aquecido a 70, 82 e 90ºC e vazão do ar de secagem de 0,46, 0,58 e 0,69m 3 min -1 , e observaram que a declividade da curva de secagem foi constante para um determinado tempo de secagem e então decresceu, indicando duas regiões de secagem, ou seja, o período de taxa constante e o período de taxa decrescente de secagem.…”

Section: Introductionunclassified

Avaliação das curvas de secagem de guaco (Mikania glomerata Spreng.) em secador de bandejas

Radünz

Melo

Rocha

et al. 2014

Rev. bras. plantas med.

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RESUMO:Esse trabalho teve como objetivo avaliar diferentes modelos matemáticos para determinar a curva de secagem de guaco. Para a condução do experimento, foi utilizado um secador com ventilação forçada, com 4 bandejas, empregando gás liquefeito de petróleo como fonte de aquecimento. Foram realizados 6 tratamentos de secagem: com ar aquecido a 40, 50, 60, 70 e 80ºC, e com ar a temperatura ambiente. Para todos os tratamentos a velocidade do ar de secagem passando através da massa de plantas foi mantida em, aproximadamente, 0,5 m s -1 . Para ajuste dos modelos matemáticos aos dados experimentais realizou-se análise de regressão não-linear pelo método Quasi-Newton empregando-se o programa computacional STATISTICA 6.0 ® , sendo os valores dos parâmetros dos modelos estimados em função da temperatura do ar de secagem. Apenas o modelo proposto por Midilli et al. apresentou ajuste satisfatório para descrever o processo de secagem de guaco, independentemente da temperatura do ar de secagem, enquanto o modelo da aproximação da difusão se adequou para a temperatura ambiente e com ar aquecido a 60ºC. Palavras-chave: Plantas medicinais, modelos matemáticos, cinética de secagemABSTRACT: Evaluation of drying curves of Mikania glomerata Spreng. in a tray dryer. This work aimed to evaluate different mathematical models to determine the curve of the drying of Mikania glomerata Spreng. . For the conduction of the experiment, a drier with forced ventilation was used, with 4 trays, using liquefied petroleum gas as heating source. Six drying treatments were carried out, that is, with hot air at 40, 50, 60, 70 and 80ºC, as well as drying with air at room temperature. For all the treatments, the drying air speed, through the mass of plants, were kept at, approximately, 0.5 m s -1 . For the adjustment of the mathematical models to the experimental data, nonlinear regression analysis was performed through the Quasi-Newton method, using the computational program STATISTICA 6.0 ® , and the values of the parameters of the models were estimated in function of the temperature of the drying air. But only the model considered by Midilli et al. presented satisfactory adjustment to describe the process of drying Mikania glomerata Spreng., regardless of the temperature of the drying air, while the model of diffusion approximation was suitable for room temperature and hot air at 60ºC.

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“…This paper can be downloaded online at http://ijasbt.org & http://nepjol.info/index.php/IJASBT Curing Curing is one of the important steps to determine the quality of large cardamom (Mande et al, 1999;Rao et al, 2001). Curing is normally associated with equilibration of color, moisture and ripeness.…”

Section: Harvestingmentioning

confidence: 99%

Technology, Chemistry and Bioactive Properties of Large Cardamom (Amomum subulatum Roxb.): An Overview

Bhattarai

Khanal

Oli

2016

Int J Appl Sci Biotechnol

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Large cardamom (Amomum subulatum Roxb.) is an aromatic and medicinal spice native to Eastern Himalayas belonging to the family Zingiberaceae. It is used as flavoring and preservative to different types of coffee, liquors, confections, beverages and tobacco. Volatile oil (2-4%) is the principal aroma-giving compound in large cardamom and 1,8-cineole is the major active compound after compound, in an extent 60 to 80% of the total volatile oil. Alcohol and aqueous extract of large cardamom have been reported to contain allopathic, analgesic, anti-inflammatory, antimicrobial, antioxidant, antiulcer, cardio-adaptogenic and hypolipidaemic activities. Large cardamom and its powder, oleoresin and essential oils have many culinary and therapeutic uses. Objectives of this review is to give short overview on the processing technology, chemistry, bioactivity and uses of large cardamom and its components.

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Study of drying characteristics of large-cardamom

Cited by 11 publications

References 2 publications

CO₂Emissions Mitigation Potential of Some Renewable Energy Technologies in India

CO₂Emissions Mitigation Potential of Some Renewable Energy Technologies in India

Avaliação das curvas de secagem de guaco (Mikania glomerata Spreng.) em secador de bandejas

Technology, Chemistry and Bioactive Properties of Large Cardamom (Amomum subulatum Roxb.): An Overview

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Study of drying characteristics of large-cardamom

Cited by 11 publications

References 2 publications

CO2Emissions Mitigation Potential of Some Renewable Energy Technologies in India

CO2Emissions Mitigation Potential of Some Renewable Energy Technologies in India

Avaliação das curvas de secagem de guaco (Mikania glomerata Spreng.) em secador de bandejas

Technology, Chemistry and Bioactive Properties of Large Cardamom (Amomum subulatum Roxb.): An Overview

Contact Info

Product

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CO₂Emissions Mitigation Potential of Some Renewable Energy Technologies in India

CO₂Emissions Mitigation Potential of Some Renewable Energy Technologies in India