Results 51 to 60 of about 46,549 (189)

Correlação entre precursores e voláteis em café arábica brasileiro processado pelas vias seca, semiúmida e úmida e discriminação através da análise por componentes principais

open access: yesQuímica Nova, 2012
The influence of pre-processing of arabica coffee beans on the composition of volatile precursors including sugars, chlorogenic acids, phenolics, proteins, aminoacids, trigonelline and fatty acids was assessed and correlated with volatiles formed during ...
Neusa P. Arruda   +5 more
doaj   +1 more source

Alteration on phenolic acids and the appearance of lotus (Nelumbo nucifera Gaertn) seeds dealt with antistaling agents during storage

open access: yesInternational Journal of Food Properties, 2018
This study evaluated the preservation effectiveness of selected antistaling agents on lotus seeds (Nelumbo nucifera Gaertn) status and the alteration of phenolic acids during their storage.
Sun-nie Chen   +6 more
doaj   +1 more source

Synthesis, Anti-HCV, Antioxidant and Reduction of Intracellular Reactive Oxygen Species Generation of a Chlorogenic Acid Analogue with an Amide Bond Replacing the Ester Bond

open access: yesMolecules, 2016
Chlorogenic acid is a well known natural product with important bioactivities. It contains an ester bond formed between the COOH of caffeic acid and the 3-OH of quinic acid.
Ling-Na Wang   +4 more
doaj   +1 more source

Quantification of Major Bioactive Constituents, Antioxidant Activity, and Enzyme Inhibitory Effects of Whole Coffee Cherries (Coffea arabica) and Their Extracts

open access: yesMolecules, 2021
Coffee cherry is a rich source of chlorogenic acids (CGAs) and caffeine. In this study we examined the potential antioxidant activity and enzyme inhibitory effects of whole coffee cherries (WCC) and their two extracts on α-amylase, α-glucosidase and ...
Boris Nemzer   +2 more
doaj   +1 more source

Response of organically and conventionally produced potatoes to a controlled attack of a pathogen [PDF]

open access: yes, 2012
Organic agricultural products have increasing share of the food market in Europe. The questions related to benefits of organic versus conventionally produced agricultural crops are of increasing meaning. In our paper we have focused on assessment of the
Dasko, L'ubomír   +3 more
core  

Effect of Vegetative Propagation Materials on Globe Artichoke Production in Semi-Arid Developing Countries: Agronomic, Marketable and Qualitative Traits [PDF]

open access: yes, 2017
: In Tunisia, globe artichoke is mainly propagated by underground dormant axillary buds (ovoli), which are removed from the field in August during the quiescence period. The high cost of in vitro-plants and the absence of specialized nurseries were among
Bouzaein, Ghaith   +4 more
core   +1 more source

Analysis of the transcriptome of Erigeron breviscapus uncovers putative scutellarin and chlorogenic acids biosynthetic genes and genetic markers. [PDF]

open access: yesPLoS ONE, 2014
Erigeron breviscapus (Vant.) Hand-Mazz. is a famous medicinal plant. Scutellarin and chlorogenic acids are the primary active components in this herb.
Ni-Hao Jiang   +9 more
doaj   +1 more source

Isolation of green coffee chlorogenic acids using activated carbon [PDF]

open access: yes, 2014
Chlorogenic acids, which are interesting natural antioxidants widespread in the plant kingdom, were extracted and purified from Mexican green coffee beans (Coffea arabica) using different methods.
Alfaro, Gerardo Valerio   +5 more
core   +4 more sources

Block freeze-concentration of coffee extract: Effect of freezing and thawing stages on solute recovery and bioactive compounds [PDF]

open access: yes, 2014
Coffee extract was freeze-concentrated using the total block technique. The effects of four parameters were evaluated: the initial coffee mass fraction (5 and 15% w/w), the cooling temperature ( 10 and 20 C), the heating temperature (20 and 40 C ...
Hernández Yáñez, Eduard   +3 more
core   +2 more sources

A polyphenol rich extract from Solanum melongena L. DR2 peel exhibits antioxidant properties and anti-herpes simplex virus type 1 activity in vitro [PDF]

open access: yes, 2018
DR2B and DR2C extracts, obtained by ethanolic maceration of peel from commercially and physiologically ripe aubergine berries, were studied for the antioxidative cytoprotective properties and anti-HSV-1 activity, in line with the evidence that several ...
Amatore, Donatella   +10 more
core   +2 more sources

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