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Navegação por autor "Dias, Rafael Carlos Eloy"
Itens para a visualização no momento 1-5 of 5
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(Universidade Federal de Lavras, 2023-01-11)A coffee crop may consist of up to 1/5 of defective beans and finding a suitable destination for this material is economically interesting. Many coffee industries collect the selections - material containing coffee defects ... -
(Editora UFLA, 2010-01)The two most commercialized coffee species worldwide are: Coffea arabica L. (arabica) and Coffea canephora Pierre ex A. Froehner (robusta). Since these coffees differ in their commercial value and acceptability, adulteration ...
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(Universidade Federal do Ceará, 2020)The profile of bioactive compounds in coffee brews depends on the coffee bean species and varieties, harvesting and post-harvesting practices, roasting processes, and also on the brewing method. The present research aimed ...
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(Sociedade Brasileira de Química, 2006)A reverse phase liquid chromatography method was developed for simultaneous determination of trigonelline, caffeine, nicotinic and chlorogenic (5-CQA) acids in roasted coffee. A gradient of acetic acid/acetonitrile was ...
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(Sociedade Brasileira de Química, 2010)The amounts of nicotinic acid, trigonelline, 5-CQA, caffeine, kahweol and cafestol in 38 commercial roasted coffees ranged from 0.02 to 0.04; 0.22 to 0.96; 0.14 to 1.20; 1.00 to 2.02; 0.10 to 0.80 and 0.25 to 0.55 g/100 ...
Itens para a visualização no momento 1-5 of 5
