Results 11 to 20 of about 6,342 (171)

Quantification of Caffeoylquinic Acids in Coffee Brews by HPLC-DAD [PDF]

Journal of Analytical Methods in Chemistry, 2014
The influence of different brewing conditions on the concentration of the main caffeoylquinic acids (3-caffeoylquinic acid (3-CQA), 4-caffeoylquinic acid (4-CQA), and 5-caffeoylquinic acid (5-CQA)) was investigated.
Marzieh Moeenfard, Lígia Rocha, Arminda Alves   +2 more
doaj   +4 more sources

Improvement in the Cynaropicrin, Caffeoylquinic Acid and Flavonoid Content of Globe Artichokes with Gibberellic Acid Treatment

Plants, 2022
Increasing interest has been shown in globe artichoke for pharmaceutical and food applications as a significant source of polyphenol compounds. With the aim to improve the polyphenol profile of globe artichoke, an open-field experiment is set up to study
Sara Lombardo, Aurelio Scavo, Gaetano Pandino, Marco Cantone, Giovanni Mauromicale   +4 more
doaj   +3 more sources

Caffeoylquinic acids: chemistry, biosynthesis, occurrence, analytical challenges, and bioactivity. [PDF]

Plant J, 2021
SUMMARYCaffeoylquinic acids (CQAs) are specialized plant metabolites we encounter in our daily life. Humans consume CQAs in mg‐to‐gram quantities through dietary consumption of plant products. CQAs are considered beneficial for human health, mainly due to their anti‐inflammatory and antioxidant properties.
Alcázar Magaña A, Kamimura N, Soumyanath A, Stevens JF, Maier CS.   +4 more
europepmc   +4 more sources

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

Molecules, 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, Diganta Kalita, Nebiyu Abshiru   +2 more
doaj   +1 more source

Online Identification and Constitutive Relationship Analysis of Antioxidant Components in Jerusalem Artichoke

Shipin gongye ke-ji, 2023
In this study, a new method based on the HPLC online scavenging diphenyl-1-picrylhydrazyl (DPPH) radical activity and Q-TOF/MS for the rapid screening and identification of caffeoylquinic acids in Jerusalem artichoke, and its antioxidant activity was ...
Zhiyi ZHANG, Ruoxi BAI, Aizhen ZONG, Minmin ZHANG, Zhenjia ZHENG, Bin ZHANG   +5 more
doaj   +1 more source

Sprout Caffeoylquinic Acid Profiles as Affected by Variety, Cooking, and Storage [PDF]

Frontiers in Nutrition, 2021
Various health-promoting properties inherent to plant-based foods have been attributed to their rich bioactive compounds, including caffeoylquinic acids (CQAs). The potential health benefits of CQAs have been well-documented. While sprouts are widely recognized as health-promoting foods owing to their high phytonutrient content, our knowledge regarding
Gholamreza Khaksar, Ketthida Cheevarungnapakul, Patwira Boonjing, Patwira Boonjing, Supaart Sirikantaramas, Supaart Sirikantaramas   +5 more
openaire   +3 more sources

THE COMPARATIVE OVERVIEW OF HPLC ANALYSIS OF DIFFERENT EXTRACTS FROM MORUS SPECIES FROM SOUTHEAST SERBIA

Studia Universitatis Babes-Bolyai Chemia, 2020
The aim of this work was to evaluate the content of phenolic compounds (phenols, flavonoids and anthocyanins) of Morus alba L. fruit (white mulberry), Morus rubra L. (red mulberry) and Morus nigra L. fruit (black mulberry) by the HPLC analysis.
Danica DIMITRIJEVIĆ, Danijela KOSTIĆ, Milan MITIĆ, Dušan PAUNOVIĆ, Branka STOJANOVIĆ, Jovana KRSTIĆ, Slavica STEVANOVIĆ, Jasmina VELIČKOVIĆ   +7 more
doaj   +1 more source

Optimization of Extraction Conditions to Improve Chlorogenic Acid Content and Antioxidant Activity of Extracts from Forced Witloof Chicory Roots

Foods, 2022
Chlorogenic acids are major phenolic constituents in many herbal medicines and exhibit various bioactivities that explain the growing interest in extracting chlorogenic acids from biomass.
Morad Chadni, Emilie Isidore, Etienne Diemer, Otmane Ouguir, Fanny Brunois, Régis Catteau, Laurent Cassan, Irina Ioannou   +7 more
doaj   +1 more source

Bioanalytical method validation and application to a phase 1, double-blind, randomized pharmacokinetic trial of a standardized Centella asiatica (L.) Urban water extract product in healthy older adults

Frontiers in Pharmacology, 2023
Introduction:Centella asiatica is an herbaceous plant reputed in Eastern medicine to improve memory. Preclinical studies have shown that C. asiatica aqueous extract (CAW) improves neuronal health, reduces oxidative stress, and positively impacts learning
Kirsten M. Wright, Kirsten M. Wright, Melissa Bollen, Melissa Bollen, Jason David, Bridgette Mepham, Armando Alcázar Magaña, Armando Alcázar Magaña, Christine McClure, Claudia S. Maier, Claudia S. Maier, Joseph F. Quinn, Joseph F. Quinn, Joseph F. Quinn, Amala Soumyanath, Amala Soumyanath   +15 more
doaj   +1 more source

Comparison of Phenolic Compounds and the Antioxidant Activities of Fifteen Chrysanthemum morifolium Ramat cv. ‘Hangbaiju’ in China

Antioxidants, 2019
This study investigated the phenolic compounds of 15 Chrysanthemum morifolium Ramat cv. ‘Hangbaiju’, including 6 ‘Duoju’ and 9 ‘Taiju’, using high performance liquid chromatography (HPLC). The antioxidant activities of
Jinyan Gong, Bingquan Chu, Lingxiao Gong, Zhongxiang Fang, Xiaoxu Zhang, Shaoping Qiu, Jingjing Wang, Yali Xiang, Gongnian Xiao, Haina Yuan, Fuping Zheng   +10 more
doaj   +1 more source