caffeic acid

[ka′fē·ik ′as·əd]

(organic chemistry)

C₉H₈O₄ A yellow crystalline acid that melts at 223-225°C with decomposition; soluble in water and alcohol.

Mentioned in ?

Chlorogenic Acid

References in periodicals archive ?

Calibration curves with caffeic acid (0-25 ppm) were created and the final results were expressed in terms of caffeic acid (CA) equivalents per gram of DW (mg/g CA DW).

Identification, Quantification, and Antioxidant Activity of Hydroalcoholic Extract of Artemisia campestris from Algeria/Cezayir'de Yetisen Artemisia campestris'in Sulu Alkollu Ekstresinin Tanimlanmasi, Kantitasyonu ve Antioksidan Aktivitesi

Caffeic acid phenethyl ester modulates methotrexate-induced oxidative stress in testes of rat.

ANTIOXIDANT EFFECT OF TRANS-3 HYDROXYCINNAMIC ACID AGAINST LIVER DAMAGE METHOTREXATE INDUCED IN RATS

-A number of potentially clinically relevant compounds are present in coffee, including: caffeine, hydroxycinnamic acids notably chlorogenic acid, trigonelline, diterpenes eg cafestol and kahweol, and caffeic acid ( ANI )

Coffee could lower diabetes risk

HPLC fingerprinting of extracts revealed the presence ofthe gallic acid ([t.sub.R] =11.67 min; peak 1), chlorogenic acid ([t.sub.R] = 21.45 min; peak 2), caffeic acid ([t.sub.R] = 24.08 min; peak 3), coumarin ([t.sub.R] = 30.21; peak 4), rutin ([t.sub.R] = 38.19 min; peak 5), quercitrin ([t.sub.R] = 46.57 min; peak 6), quercetin ([t.sub.R] = 49.97 min; peak 7) and kaempferol ([t.sub.R] = 52.11 min; peak 8) (Fig.

Bioactivity Studies on Two Wild Edible Mushrooms Extracts

The following phenolic compounds were identified in the extracts: chlorogenic acid, caffeic acid and rutin (Table 2), and the retention time were 10.8, 11.5 and 14 minutes (Figure 1), respectively.

Cytotoxicity and antioxidant activity of goldenberry extracts obtained with high intensity ultrasound/Citotoxicidade e atividade antioxidante de extratos de goldenberry obtidos com ultrassom de alta intensidade

The total amounts of 6 phenolic acids (t-cinnamic acid, benzoic acid, p-coumaric acid, caffeic acid, ferulic acid, and chlorogenic acid) were 1.58-fold lower in the roots compared to the aerial parts.

Profiling of the Major Phenolic Compounds and Their Biosynthesis Genes in Sophora flavescens Aiton

Five phenolic compounds were identified and quantified, namely, neochlorogenic acid, chlorogenic acid, cryptochlorogenic acid, caffeic acid, and p-coumaric acid.

Chemical Composition and Antioxidant Activities of Five Samples of Prunus mume Umezu from Different Factories in South and East China

The most common HCA derivatives include caffeic acid, ferulic acid, and p-coumaric acid, to name a few.

Synchronized Survey Scan Approach Allows for Efficient Discrimination of Isomeric and Isobaric Compounds during LC-MS/MS Analyses

For quantification of phenylethanoid derivatives, caffeic acid (20 ng/[micro]L) was used to determine the relative concentration of this chemical group by LC-PDA (320 nm), and the identification of these compounds was confirmed by ESI-MS/MS.

Comprehensive Characterization of Extractable Phenolic Compounds by UPLC-PDA-ESI-QqQ of Buddleja scordioides Plants Elicited with Salicylic Acid

Stock standard solutions were prepared by accurately weighing 10 mg of caffeic acid, chlorogenic acid, p-coumaric acid, trans-ferulic acid, cinnamic acid, quercetin, luteolin, apigenin, rutin, vanillic acid, syringic acid, o-coumaric acid, catechin, vanillin, trans-chalcone, 4-hydroxybenzoic acid, 2-(4-hydroxyphenyl)ethanol, and 3,4-dihydropyran reference standards into separate 2 ml volumetric flasks and dissolving in methanol.

Cytotoxicity of the Aqueous Extract and Organic Fractions from Origanum majorana on Human Breast Cell Line MDA-MB-231 and Human Colon Cell Line HT-29

Green coffee beans contain polyphenol compounds, such as chlorogenic acid and its related compounds (caffeic acid, ferulic acid, and coumaric acid) which are used to inhibit the oxidative stress [4].

Improvement of Stability and Transdermal Delivery of Bioactive Compounds in Green Robusta Coffee Beans Extract Loaded Nanostructured Lipid Carriers

We show that CGA and caffeic acid displayed a dramatic protective effect against the nitric oxide donor, sodium nitroprusside.