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List of works by Alan Crozier

A Systematic Review and Comprehensive Evaluation of Human Intervention Studies to Unravel the Bioavailability of Hydroxycinnamic Acids

scientific article published in 2024

A critical evaluation of the use of gas chromatography- and high performance liquid chromatography-mass spectrometry techniques for the analysis of microbial metabolites in human urine after consumption of orange juice

scientific article published on 09 September 2018

A new caffeine biosynthetic pathway in tea leaves: utilisation of adenosine released from the S-adenosyl-L-methionine cycle ⬇️

scientific article published in June 2001

A structural basis for the inhibition of collagen-stimulated platelet function by quercetin and structurally related flavonoids

scientific article

Absorption and excretion of conjugated flavonols, including quercetin-4'-O-beta-glucoside and isorhamnetin-4'-O-beta-glucoside by human volunteers after the consumption of onions

scientific article published on 01 September 1998

Absorption, disposition, metabolism, and excretion of [3-(14)C]caffeic acid in rats

scientific article

Absorption, excretion and metabolite profiling of methyl-, glucuronyl-, glucosyl- and sulpho-conjugates of quercetin in human plasma and urine after ingestion of onions

scientific article published on 01 July 2006

Absorption, metabolism and excretion of Choladi green tea flavan-3-ols by humans.

scientific article

Absorption, metabolism, and excretion of (–)-epicatechin in humans: an evaluation of recent findings ⬇️

scientific article published on August 28, 2013

Absorption, metabolism, and excretion of cider dihydrochalcones in healthy humans and subjects with an ileostomy

scientific article published in March 2009

Absorption, metabolism, and excretion of fermented orange juice (poly)phenols in rats

scientific article published on 20 November 2013

Absorption, metabolism, and excretion of green tea flavan-3-ols in humans with an ileostomy

scientific article published in March 2010

Analysis of 3-indole carboxylic acid in Pinus sylvestris needles

scientific article published on 25 July 2002

Analysis of ellagitannins and conjugates of ellagic acid and quercetin in raspberry fruits by LC-MSn

scientific article published in September 2003

Analysis of picogram quantities of indole-3-acetic acid by high performance liquid chromatography-fluorescence procedures

scientific article published on 01 December 1980

Anthocyanins and Flavanones Are More Bioavailable than Previously Perceived: A Review of Recent Evidence

scientific article published on 11 January 2017

Antiglycative and neuroprotective activity of colon-derived polyphenol catabolites

scientific article published on 14 January 2011

Antioxidant flavonols from fruits, vegetables and beverages: measurements and bioavailability

scientific article

Assessing the respective contributions of dietary flavanol monomers and procyanidins in mediating cardiovascular effects in humans: randomized, controlled, double-masked intervention trial

scientific article published on 01 December 2018

Berry (poly)phenols and cardiovascular health

scientific article

Berry flavonoids and phenolics: bioavailability and evidence of protective effects.

scientific article published on October 2010

Bioavailability and metabolism of hydroxycinnamates in rats fed with durum wheat aleurone fractions

scientific article published on 01 August 2014

Bioavailability and metabolism of orange juice flavanones in humans: impact of a full-fat yogurt.

scientific article

Bioavailability of Black Tea Theaflavins: Absorption, Metabolism, and Colonic Catabolism.

scientific article published on 09 June 2017

Bioavailability of C-linked dihydrochalcone and flavanone glucosides in humans following ingestion of unfermented and fermented rooibos teas.

scientific article

Bioavailability of [2-(14)C]quercetin-4'-glucoside in rats

scientific article

Bioavailability of anthocyanins and ellagitannins following consumption of raspberries by healthy humans and subjects with an ileostomy.

scientific article published in April 2010

Bioavailability of chlorogenic acids following acute ingestion of coffee by humans with an ileostomy

scientific article published on 11 March 2010

Bioavailability of coffee chlorogenic acids and green tea flavan-3-ols

scientific article

Bioavailability of dietary (poly)phenols: a study with ileostomists to discriminate between absorption in small and large intestine

scientific article published in April 2013

Bioavailability of dietary flavonoids and phenolic compounds.

scientific article published on 18 September 2010

Bioavailability of multiple components following acute ingestion of a polyphenol-rich juice drink

scientific article published in July 2010

Bioavailability of orange juice (poly)phenols: the impact of short-term cessation of training by male endurance athletes.

scientific article

Bioavailability of pelargonidin-3-O-glucoside and its metabolites in humans following the ingestion of strawberries with and without cream.

scientific article

Bioavailability of polyphenon E flavan-3-ols in humans with an ileostomy

scientific article published in August 2008

Bioavailability of red wine and grape seed proanthocyanidins in rats

scientific article published on 29 April 2020

Bioavailability, bioactivity and impact on health of dietary flavonoids and related compounds: an update

scientific article published on 03 September 2014

Biosynthesis and Catabolism of Purine Alkaloids

article

Biosynthesis of indole-3-acetic acid in protoplasts, chloroplasts and a cytoplasmic fraction from barley (Hordeum vulgare L.).

scientific article published on 01 January 1982

CCC-Induced increase of gibberellin levels in pea seedlings

scientific article published on 01 June 1970

Caffeine Metabolism in High and Low Caffeine Containing Cultivars of Camellia sinensis ⬇️

scientific article published on 2 August 2018

Caffeine and related purine alkaloids: biosynthesis, catabolism, function and genetic engineering

scientific article

Caffeine biosynthesis in young leaves of Camellia sinensis: In vitro studies on N-methyltransferase activity involved in the conversion of xanthosine to caffeine

scientific article published on 12 March 2003

Caffeine synthase gene from tea leaves

scientific article

Caffeine: a well known but little mentioned compound in plant science

scientific article

Catabolism of citrus flavanones by the probiotics Bifidobacterium longum and Lactobacillus rhamnosus.

scientific article published on 8 October 2016

Characterization and antioxidant activity of avenanthramides from selected oat lines developed by mutagenesis technique

scientific article published on 21 October 2020

Characterization of gibberellins from dark-grown Phaseolus coccineus seedlings by gas-liquid chromatography and combined gas chromatography-mass spectrometry

scientific article published on 01 June 1971

Chlorogenic acids and the acyl-quinic acids: discovery, biosynthesis, bioavailability and bioactivity.

scientific article

Chronic administration of a microencapsulated probiotic enhances the bioavailability of orange juice flavanones in humans.

scientific article published on 20 March 2015

Coffee, caffeine and health: What's in your cup? ⬇️

scientific article published on May 26, 2012

Coffee: biochemistry and potential impact on health

scientific article published on August 2014

Colonic catabolism of dietary phenolic and polyphenolic compounds from Concord grape juice ⬇️

scientific article published on September 10, 2012

Colonic catabolism of ellagitannins, ellagic acid, and raspberry anthocyanins: in vivo and in vitro studies

scientific article published on 27 May 2011

Comparison of in vivo and in vitro digestion on polyphenol composition in lingonberries: potential impact on colonic health

scientific article

Comparison of the phenolic composition of fruit juices by single step gradient HPLC analysis of multiple components versus multiple chromatographic runs optimised for individual families

scientific article published on 01 June 2000

Comparison of the polyphenolic composition and antioxidant activity of European commercial fruit juices

scientific article published on 13 September 2010

Consumption of mixed fruit-juice drink and vitamin C reduces postprandial stress induced by a high fat meal in healthy overweight subjects.

scientific article published in January 2014

Conversion of [(14)C]gibberellin A 12-aldehyde to C 19- and C 20-gibberellins in a cell-free system from immature seed of Phaseolus coccineus L

scientific article published on 01 July 1985

Detection and identification of 14C-labelled flavonol metabolites by high-performance liquid chromatography-radiocounting and tandem mass spectrometry

scientific article published in July 2003

Detection of abscisic acid, indole-3-acetic acid and indole-3-ethanol in seeds of Dalbergia dolichopetala

scientific article published on 25 July 2002

Determination of flavonol metabolites in plasma and tissues of rats by HPLC-radiocounting and tandem mass spectrometry following oral ingestion of [2-(14)C]quercetin-4'-glucoside.

scientific article published in November 2002

Development and validation of an UHPLC-HRMS protocol for the analysis of flavan-3-ol metabolites and catabolites in urine, plasma and feces of rats fed a red wine proanthocyanidin extract

article

Dietary (Poly)phenols, Brown Adipose Tissue Activation, and Energy Expenditure: A Narrative Review

scientific article published on 15 September 2017

Dietary (poly)phenolics in human health: structures, bioavailability, and evidence of protective effects against chronic diseases ⬇️

scientific article

Dietary phenolics: chemistry, bioavailability and effects on health

scientific article

Disposition and metabolism of [2-14C]quercetin-4'-glucoside in rats

scientific article published on 15 April 2005

Distribution and biosynthesis of flavan-3-ols in Camellia sinensis seedlings and expression of genes encoding biosynthetic enzymes.

scientific article published on 25 February 2010

Distribution of gibberellin-like substances in light-and dark-grown seedlings of Phaseolus multiflorus

scientific article published on 01 June 1968

Distribution, biosynthesis and catabolism of methylxanthines in plants

scientific article published on January 2011

Do flavan-3-ols from green tea reach the human brain?

scientific article published in February 2006

Effect of changes in fruit and vegetable intake on plasma antioxidant defenses in humans

scientific article published on 01 February 2005

Effect of freezing and storage on the phenolics, ellagitannins, flavonoids, and antioxidant capacity of red raspberries.

scientific article

Effect of phosphate deficiency on the content and biosynthesis of anthocyanins and the expression of related genes in suspension-cultured grape (Vitis sp.) cells

scientific article published on 7 April 2012

Ellagitannins, flavonoids, and other phenolics in red raspberries and their contribution to antioxidant capacity and vasorelaxation properties

scientific article published in August 2002

Endogenous indoles and the biosynthesis and metabolism of indole-3-acetic acid in cultures of Rhizobium phaseoli

scientific article published on 01 July 1987

Espresso coffees, caffeine and chlorogenic acid intake: potential health implications

article

Evaluation of phenolic compounds in commercial fruit juices and fruit drinks.

scientific article

Extraction of Phenolics and Changes in Antioxidant Activity of Red Wines during Vinification ⬇️

scientific article published on December 1, 2001

First synthesis, characterization, and evidence for the presence of hydroxycinnamic acid sulfate and glucuronide conjugates in human biological fluids as a result of coffee consumption

scientific article published on 14 September 2010

Flavonoid and hydroxycinnamate profiles of english apple ciders

scientific article published on 15 September 2007

Flavonoid metabolites in human plasma and urine after the consumption of red onions: analysis by liquid chromatography with photodiode array and full scan tandem mass spectrometric detection

scientific article

Flavonoids in tropical citrus species

scientific article published on 19 October 2011

Gastrointestinal absorption and metabolism of hesperetin-7-O-rutinoside and hesperetin-7-O-glucoside in healthy humans

scientific article

Gastrointestinal stability and bioavailability of (poly)phenolic compounds following ingestion of Concord grape juice by humans

scientific article published on 14 February 2012

Glucuronidation does not suppress the estrogenic activity of quercetin in yeast and human breast cancer cell model systems

scientific article published on 18 March 2014

Grape Pomace: Antioxidant Activity, Potential Effect Against Hypertension and Metabolites Characterization after Intake

scientific article published on 06 July 2018

Green tea flavan-3-ols: colonic degradation and urinary excretion of catabolites by humans.

scientific article published in January 2010

HPLC-MSn analysis of phenolic compounds and purine alkaloids in green and black tea.

scientific article

HPLC-PDA-MS fingerprinting to assess the authenticity of pomegranate beverages

scientific article published on 7 June 2012

How should we assess the effects of exposure to dietary polyphenols in vitro?

scientific article

Identification of (Poly)phenolic Compounds in Concord Grape Juice and Their Metabolites in Human Plasma and Urine after Juice Consumption ⬇️

scientific article published on August 12, 2011

Identification of (poly)phenol treatments that modulate the release of pro-inflammatory cytokines by human lymphocytes

scientific article published on 17 March 2016

Identification of Plasma and Urinary Metabolites and Catabolites Derived from Orange Juice (Poly)phenols: Analysis by High-Performance Liquid Chromatography-High-Resolution Mass Spectrometry.

scientific article published on 24 June 2016

Identification of flavonoid and phenolic antioxidants in black currants, blueberries, raspberries, red currants, and cranberries

scientific article

Identification of metabolites in human plasma and urine after consumption of a polyphenol-rich juice drink

scientific article published in February 2010

Identification of proanthocyanidin dimers and trimers, flavone C-Glycosides, and antioxidants in Ficus deltoidea , a malaysian herbal tea

scientific article published on 24 January 2011

Impact of dose on the bioavailability of coffee chlorogenic acids in humans ⬇️

article by Angélique Stalmach et al published 2014 in Food & Function

In vitro and in vivo conjugation of dietary hydroxycinnamic acids by UDP-glucuronosyltransferases and sulfotransferases in humans.

scientific article published in December 2009

In vitro and in vivo models of colorectal cancer: antigenotoxic activity of berries.

scientific article published on 21 January 2014

In vitro catabolism of 3',4'-dihydroxycinnamic acid by human colonic microbiota

scientific article published on 25 November 2020

In vitro catabolism of rutin by human fecal bacteria and the antioxidant capacity of its catabolites.

scientific article published on 6 August 2009

In vitro colonic catabolism of orange juice (poly)phenols

scientific article published on 22 January 2015

In vitro studies on the stability in the proximal gastrointestinal tract and bioaccessibility in Caco-2 cells of chlorogenic acids from spent coffee grounds.

scientific article published on 23 July 2015

In vivo administration of urolithin A and B prevents the occurrence of cardiac dysfunction in streptozotocin-induced diabetic rats

scientific article

Indole-3-acetic acid and indole-3-ethanol in light-grown Pisum sativum seedlings and their localization in chloroplast fractions

scientific article

Inhibition of caffeine biosynthesis in tea (Camellia sinensis) and coffee (Coffea arabica) plants by ribavirin ⬇️

scientific article published in November 2003

Metabolic conversion of dietary flavonoids alters their anti-inflammatory and antioxidant properties ⬇️

scientific article published on April 22, 2011

Metabolism of [(14)C]indole-3-acetic acid by the cortical and stelar tissues of Zea mays L. roots

scientific article published on 01 May 1985

Metabolism of [1,2-(3)H]gibberellin A 4 by epicotyls and cell-free preparations from Phaseolus coccineus L. seedlings

scientific article published on 01 May 1989

Metabolite profiling of hydroxycinnamate derivatives in plasma and urine after the ingestion of coffee by humans: identification of biomarkers of coffee consumption.

scientific article

Methylxanthines enhance the effects of cocoa flavanols on cardiovascular function: randomized, double-masked controlled studies.

scientific article published on 21 December 2016

Milk and absorption of dietary flavanols

scientific article published in Nature

Milk decreases urinary excretion but not plasma pharmacokinetics of cocoa flavan-3-ol metabolites in humans

scientific article published on 29 April 2009

New insights into the bioavailability of red raspberry anthocyanins and ellagitannins.

scientific article published on 13 October 2015

Nontargeted LC-MSn Profiling of Compounds in Ileal Fluids That Decrease after Raspberry Intake Identifies Consistent Alterations in Bile Acid Composition

scientific article

Novel colon-available triterpenoids identified in raspberry fruits exhibit antigenotoxic activities in vitro.

scientific article published on 10 September 2016

On-line HPLC analysis of the antioxidant activity of phenolic compounds in brewed, paper-filtered coffee

article

On-line high-performance liquid chromatography analysis of the antioxidant activity of phenolic compounds in green and black tea.

scientific article published in January 2005

Orange juice (poly)phenols are highly bioavailable in humans

scientific article published on 27 August 2014

Persistence of anticancer activity in berry extracts after simulated gastrointestinal digestion and colonic fermentation

scientific article

Perturbation of the EphA2-EphrinA1 system in human prostate cancer cells by colonic (poly)phenol catabolites.

scientific article

Phenyl-γ-valerolactones and phenylvaleric acids, the main colonic metabolites of flavan-3-ols: synthesis, analysis, bioavailability, and bioactivity

scientific article published on 01 May 2019

Phytochemical profile of a Japanese black-purple rice

scientific article published on 31 May 2013

Phytochemical profiles of black, red, brown, and white rice from the Camargue region of France

scientific article published on 9 August 2013

Plant foods and herbal sources of resveratrol

scientific article

Plant-derived phenolic antioxidants

scientific article published on 01 November 2000

Plant-derived phenolic antioxidants

scientific article

Plasma antioxidants from chocolate.

scientific article

Plasma pharmacokinetics of (poly)phenol metabolites and catabolites after ingestion of orange juice by endurance trained men

scientific article published on 11 September 2020

Potassium deficiency induces the biosynthesis of oxylipins and glucosinolates in Arabidopsis thaliana

scientific article

ProDiet: A Phase II Randomized Placebo-Controlled Trial of Green Tea Catechins and Lycopene in Men at Increased Risk of Prostate Cancer

scientific article published on 11 October 2018

Production of gibberellins and indole-3-acetic acid by Rhizobium phaseoli in relation to nodulation of Phaseolus vulgaris roots

scientific article

Profiles of phenolic compounds and purine alkaloids during the development of seeds of Theobroma cacao cv. Trinitario

scientific article published on 31 December 2012

Purification of indole-3-acetic acid in plant extracts by immunoaffinity chromatography

scientific article published on 25 July 2002

Purine Alkaloid Biosynthesis in Young Leaves of Camellia sinensis in Light and Darkness

scientific article published on 17 February 2006

Purine salvage in plants

scientific article published on 4 January 2018

Quantitative Analysis of the Flavonoid Content of Commercial Tomatoes, Onions, Lettuce, and Celery

scientific article published on 26 July 2002

Quercetin metabolites and protection against peroxynitrite-induced oxidative hepatic injury in rats

scientific article published on 6 August 2009

Quercetin-3-O-glucuronide affects the gene expression profile of M1 and M2a human macrophages exhibiting anti-inflammatory effects

scientific article published on 01 November 2012

Rapid and Comprehensive Evaluation of (Poly)phenolic Compounds in Pomegranate (Punica granatum L.) Juice by UHPLC-MSn ⬇️

scientific article published on 13 December 2012

Rapid characterization of anthocyanins in red raspberry fruit by high-performance liquid chromatography coupled to single quadrupole mass spectrometry

scientific article

Raspberry juice consumption, oxidative stress and reduction of atherosclerosis risk factors in hypercholesterolemic golden Syrian hamsters.

scientific article published on 13 June 2011

Recommendations for standardizing nomenclature for dietary (poly)phenol catabolites

scientific article published on 16 September 2020

Reduction of monocyte chemoattractant protein 1 and macrophage migration inhibitory factor by a polyphenol-rich extract in subjects with clustered cardiometabolic risk factors

scientific article published on 28 June 2011

Reliable, accessible and transferable method for the quantification of flavanols and procyanidins in foodstuffs and dietary supplements

scientific article published on 01 January 2020

Separation of the N-7 methyltransferase, the key enzyme in caffeine biosynthesis

scientific article published on 01 August 1997

Steroidal plant growth regulators, castasterone and typhasterol (2-deoxycastasterone) from the shoots of sitka spruce (Picea sitchensis)

scientific article published on 25 July 2002

Tea prepared from Anastatica hirerochuntica seeds contains a diversity of antioxidant flavonoids, chlorogenic acids and phenolic compounds.

scientific article published on 20 December 2010

Terms and nomenclature used for plant-derived components in nutrition and related research: efforts toward harmonization

scientific article published on 26 November 2019

The Bioavailability, Transport, and Bioactivity of Dietary Flavonoids: A Review from a Historical Perspective

article

The absorption, metabolism and excretion of flavan-3-ols and procyanidins following the ingestion of a grape seed extract by rats.

scientific article

The bioavailability of raspberry anthocyanins and ellagitannins in rats

scientific article

The biosynthesis and conjugation of indole-3-acetic acid in germinating seed and seedlings ofDalbergia dolichopetala

scientific article published on 01 December 1988

The composition of potentially bioactive triterpenoid glycosides in red raspberry is influenced by tissue, extraction procedure and genotype.

scientific article published on 8 September 2017

The effect of black tea on risk factors of cardiovascular disease in a normal population ⬇️

scientific article published on December 16, 2011

The effect of light on the gibberellin metabolism and growth of Phaseolus coccineus seedlings

scientific article published on 01 January 1975

The effects of flooding on the export of gibberellins from the root to the shoot

scientific article published on 01 December 1969

The ellagitannin metabolite urolithin C is a glucose-dependent regulator of insulin secretion through activation of L-type calcium channels

scientific article published on 10 October 2019

The influence of moderate red wine consumption on antioxidant status and indices of oxidative stress associated with CHD in healthy volunteers

scientific article published in February 2005

The metabolome of [2-(14)C](-)-epicatechin in humans: implications for the assessment of efficacy, safety, and mechanisms of action of polyphenolic bioactives

scientific article

The relative contribution of the small and large intestine to the absorption and metabolism of rutin in man

scientific article published on 01 October 2006

Theacrine (1,3,7,9-tetramethyluric acid) synthesis in leaves of a Chinese tea, kucha (Camellia assamica var. kucha).

scientific article

Theophylline metabolism in higher plants

scientific article published on 01 August 1997

Tracking (Poly)phenol components from raspberries in ileal fluid.

scientific article

Translocation and metabolism of [(3)H]gibberellins by light-grown Phaseolus coccineus seedlings

scientific article published on 01 January 1975

Trigonelline and related nicotinic acid metabolites: occurrence, biosynthesis, taxonomic considerations, and their roles in planta and in human health

article

Trimethylamine-N-Oxide (TMAO)-Induced Impairment of Cardiomyocyte Function and the Protective Role of Urolithin B-Glucuronide.

scientific article published in March 2018

Unfermented and fermented rooibos teas (Aspalathus linearis) increase plasma total antioxidant capacity in healthy humans

article by Débora Villaño et al published December 2010 in Food Chemistry

Urolithins at physiological concentrations affect the levels of pro-inflammatory cytokines and growth factor in cultured cardiac cells in hyperglucidic conditions

article published in 2015

Use of LC-MS for the quantitative analysis of (poly)phenol metabolites does not necessarily yield accurate results: Implications for assessing existing data and conducting future research

scientific article published on 02 June 2018

Use of accurate mass full scan mass spectrometry for the analysis of anthocyanins in berries and berry-fed tissues

scientific article published in April 2010

Variations in caffeine and chlorogenic acid contents of coffees: what are we drinking?

article by Iziar A Ludwig et al published 2014 in Food & Function

Variations in the profile and content of anthocyanins in wines made from cabernet sauvignon and hybrid grapes

scientific article published in July 2002

Wine by-products: phenolic characterization and antioxidant activity evaluation of grapes and grape pomaces from six different French grape varieties

scientific article published on 2 January 2014

Xanthine Alkaloids: Occurrence, Biosynthesis, and Function in Plants

scientific article published on January 2017

Yoghurt impacts on the excretion of phenolic acids derived from colonic breakdown of orange juice flavanones in humans.

scientific article published in May 2009

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