Results 31 to 40 of about 106,714 (240)

Quantification of Caffeine and Chlorogenic Acid in Green and Roasted Coffee Samples Using HPLC-DAD and Evaluation of the Effect of Degree of Roasting on Their Levels

open access: yesMolecules, 2021
Chlorogenic acid and caffeine are among the important components in coffee beans, determining the taste and aroma. In addition, phenols and antioxidants content possess vital health values.
S. Awwad   +4 more
semanticscholar   +1 more source

Study on the effect of microwave roasting pretreatment on nickel extraction from nickel-containing residue using sulfuric acid

open access: yesGreen Processing and Synthesis, 2021
Various means have been proposed to solve problems such as high ash content and complex composition in the recycling of nickel-containing residue produced by battery manufacturing enterprises.
Su Guang   +6 more
doaj   +1 more source

Pengaruh Jenis dan Lama Penyangraian pada Mutu Kopi Robusta (Coffea robusta)

open access: yesJurnal Agro Industri Perkebunan, 2016
The process of roasting the coffee beans will produce a good quality of taste and aroma. To conduct this research activity in the roasting researchers used a minimalist roaster machine (mini roaster).
Bukhori Thomas Edvan   +2 more
doaj   +1 more source

Mechanism for suspension magnetization roasting of iron ore using straw-type biomass reductant

open access: yesInternational Journal of Mining Science and Technology, 2021
As an alternative reductant for fossil fuel in the future, straw-type biomass contributes to emission reduction and green utilization in the suspension roasting process. In this study, the influences of the roasting time, roasting temperature and dose of
Yue Cao   +4 more
doaj   +1 more source

Effects of roasting on kernel peroxide value, free fatty acid, fatty acid composition and crude protein content.

open access: yesPLoS ONE, 2017
Roasting nuts may alter their chemical composition leading to changes in their health benefits. However, the presence of testa may alleviate the negative effects of thermal treatments.
Shahla Hosseini Bai   +10 more
doaj   +1 more source

Interactive effect of hot air roasting processes on the sensory property, allergenicity, and oil extraction of sesame (Sesamum indicum L.) seeds

open access: yesGrain & Oil Science and Technology, 2023
Sesame seeds are a healthy food ingredient and an oil crop for sesame oil production; however, it has recently been recognized as an essential allergenic food by FAO/WHO.
Shudong He   +6 more
doaj   +1 more source

Impact of consumer behavior on furan and furan-derivative exposure during coffee consumption : a comparison between brewing methods and drinking preferences [PDF]

open access: yes, 2018
This study examined the influence of consumer behavior on furan, 2-methylfuran, 3-methylfuran, 2,5-dimethylfuran and 2,3-dimethylfuran exposure in coffee.
Rahn, Anja, Yeretzian, Chahan
core   +1 more source

Influence of germination and roasting on the characteristic volatile organic compounds of quinoa using sensory evaluation, E-nose, HS-GC-IMS, and HS-SPME-GC-MS

open access: yesFood chemistry: X
This study aimed to investigate the effects of germination and roasting on the flavor of quinoa. Firstly, the aroma of quinoa and germinated quinoa roasted under different conditions was analyzed using sensory evaluation and electronic nose (E-nose ...
Siwang Peng   +9 more
semanticscholar   +1 more source

A study on kinetics of roasting of ore from tomtor field

open access: yesRUDN Journal of Engineering Research, 2018
Research on kinetics of change of phosphorus, niobium, vanadium and titanium content during high-temperature roasting of ore from Tomtor field mixed with active additives: bicarbonate (NaHCO3), sodium carbonate (Na2CO3), alkalis (КОН, NaOH) is conducted.
Marianna Yu Malkova   +1 more
doaj   +1 more source

Design and construction of coffee roasting machine with rounding cylinder tube using electric heat source

open access: yesResearch in Agricultural Engineering, 2023
The purpose of this research is  to design a rounding cylinder tube on a coffee roaster using an electric heating element that will be used to roast coffee.
Andriani Lubis   +3 more
doaj   +1 more source

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