Results 11 to 20 of about 3,982,690 (195)

Optimation of Temperature and Duration of Cocoa Beans Roasting in a CylindricalRoaster [PDF]

open access: yesCoffee and Cocoa Research Journal, 2014
A small scale cylindrical type cocoa roaster has been designed to improve Indonesian mallholder income and commence utilization of cocoa-base products. Capacity of the roaster was at 15 kg dried cocoa beans. Operating condition of the instrument in terms
Misnwai Jati   +3 more
doaj   +2 more sources

Analysis of Parameter Roasting on Color and Peanuts Roasted Taste [PDF]

open access: yesAceh International Journal of Science and Technology, 2018
The purpose of this study is to determine the optimum temperature of roasting, optimal rotation speed of tube and roasting time, to produce roasted peanuts with good taste and good colour. The research method is experimental using a Completely Randomized
Silvi Ari Yanti   +2 more
doaj   +3 more sources

Effect of Broken Coffee Beans Particle Size, Roasting Temperature, and Roasting Time on Quality of Coffee Beverage

open access: yesJournal of Food Quality, 2020
Optimum flavor and aroma of the coffee are developed during the roasting process. However, certain problems exist in the coffee roasting process such as partial charring, over roasting, and poor temperature distribution across the coffee bean (due to the
Ezana Getaneh   +2 more
doaj   +2 more sources

Separation and Recovery of Iron and Rare Earth from Bayan Obo Tailings by Magnetizing Roasting and (NH4)2SO4 Activation Roasting

open access: yesMetals, 2017
A novel approach for recovery of iron and rare earth elements (REEs) from Bayan Obo tailings of Baotou, China, was developed by combining magnetizing roasting, magnetic separation, (NH4)2SO4 activation roasting, and water leaching. Thermodynamic analysis
Yan Zhou   +3 more
doaj   +2 more sources

Simulation of coffee roasting time-temperature profiles

open access: yes, 2022
The time-temperature profiles of Kenyan Arabica coffee roasted isothermally in a spouted bed roaster have been simulated with good accuracy (RMSE = 2.7°C) prior to first crack.
Al-Shemmeri, Mark   +2 more
core   +3 more sources

Effect of Roasting Time and Temperature on Volatile Component Profiles during Nib Roasting of Cocoa Beans (Theobroma cacao) [PDF]

open access: yes, 1998
The e†ect of nib roasting time and temperature on volatile component proÐles was studied using response surface methodology (RSM) which consisted two independent variables : time (5È65 min) and temperature (110È170¡C). A steam distillation extraction (
Jinap, S.   +3 more
core   +4 more sources

Sintering Behavior of Molybdenite Concentrate During Oxidation Roasting Process in Air Atmosphere: Influences of Roasting Temperature and K Content. [PDF]

open access: yesMolecules
Sintering is a common phenomenon, which often takes place during the oxidation roasting process of molybdenite concentrate in multiple-hearth furnaces. The occurrence of sintering phenomena has detrimental effects on the product quality and the service ...
Liu J, Wang L, Wu G.
europepmc   +2 more sources

Antioxidant Content of Tisane of Cocoa Bean Shells as Affected by Roasting Temperatures

open access: yesCoffee and Cocoa Research Journal, 2022
Cocoa bean shell is a by-product of processing chocolate products that can be used as a tea infusion because it contains bioactive compounds such as polyphenols which act as antioxidants. Roasting plays a very important role in the development of aromas
Gumelar .   +2 more
doaj   +1 more source

Determining Optimum Point of Robusta Coffee Bean Roasting Process for Taste Consistency

open access: yesCoffee and Cocoa Research Journal, 2018
Roasting is an important coffee bean processing that affect quality and flavor consistency. Roasting parameters are summarized in the roasting profile which describe density, water content, pH, yield, taste, time and temperature as well as roasting ...
Andi Dharmawan   +2 more
doaj   +1 more source

Conduction Roaster for Accelerated Roasting of Peanut [PDF]

open access: yes, 2021
Roasting is one of the thermo-mechanical operation in cereals and oilseeds processing. Low-capacity machine for mechanisation of roasting is necessary for small-scale processing.
Rakesh Kumar Raigar, Hari Niwas Mishra
core   +1 more source

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