List of works - Ken M. Riedl

A comparison of plasma and prostate lycopene in response to typical servings of tomato soup, sauce or juice in men before prostatectomy

scientific article published on 23 July 2015

A liquid chromatography-tandem mass spectrometric method for quantitative determination of native 5-methyltetrahydrofolate and its polyglutamyl derivatives in raw vegetables.

scientific article published on 9 September 2010

A metabolomic evaluation of the phytochemical composition of tomato juices being used in human clinical trials

scientific article published on 26 January 2017

Absorption and Distribution Kinetics of the 13C-Labeled Tomato Carotenoid Phytoene in Healthy Adults.

scientific article

An HPLC-MS/MS method for the separation of α-retinyl esters from retinyl esters.

scientific article published on 25 June 2016

An LC/MS method for d8-β-carotene and d4-retinyl esters: β-carotene absorption and its conversion to vitamin A in humans

scientific article

Anti-tumorigenicity of dietary α-mangostin in an HT-29 colon cell xenograft model and the tissue distribution of xanthones and their phase II metabolites.

scientific article published on 13 December 2012

Application of a low polyphenol or low ellagitannin dietary intervention and its impact on ellagitannin metabolism in men.

scientific article

Bioactive compounds or metabolites from black raspberries modulate T lymphocyte proliferation, myeloid cell differentiation and Jak/STAT signaling

scientific article

Bioavailability and inter-conversion of sulforaphane and erucin in human subjects consuming broccoli sprouts or broccoli supplement in a cross-over study design.

scientific article

Black raspberry components inhibit proliferation, induce apoptosis, and modulate gene expression in rat esophageal epithelial cells.

scientific article

Carotene and novel apocarotenoid concentrations in orange-fleshed Cucumis melo melons: determinations of β-carotene bioaccessibility and bioavailability

scientific article published on 11 April 2011

Characterization of black raspberry functional food products for cancer prevention human clinical trials

scientific article

Chromatographic separation of PTAD-derivatized 25-hydroxyvitamin D3 and its C-3 epimer from human serum and murine skin

scientific article

Comparative phloem chemistry of Manchurian (Fraxinus mandshurica) and two North American ash species (Fraxinus americana and Fraxinus pennsylvanica).

scientific article published in July 2007

Comparison of high-performance liquid chromatography/tandem mass spectrometry and high-performance liquid chromatography/photo-diode array detection for the quantitation of carotenoids, retinyl esters, α-tocopherol and phylloquinone in chylomicron-r

scientific article

Comparison of isothiocyanate metabolite levels and histone deacetylase activity in human subjects consuming broccoli sprouts or broccoli supplement

scientific article

Compartmental and noncompartmental modeling of ¹³C-lycopene absorption, isomerization, and distribution kinetics in healthy adults

scientific article

Complementary shifts in photoreceptor spectral tuning unlock the full adaptive potential of ultraviolet vision in birds

scientific article

Consumption of soy isoflavone enriched bread in men with prostate cancer is associated with reduced proinflammatory cytokines and immunosuppressive cells.

scientific article

Design and selection of soy breads used for evaluating isoflavone bioavailability in clinical trials.

scientific article published on 15 March 2013

Determination of anthocyanins, total phenolic content, and antioxidant activity in Andes Berry (Rubus glaucus Benth).

scientific article published in April 2009

Determination of carotenoids, total phenolic content, and antioxidant activity of Arazá (Eugenia stipitata McVaugh), an Amazonian fruit.

scientific article

Drinking water with red beetroot food color antagonizes esophageal carcinogenesis in N-nitrosomethylbenzylamine-treated rats.

scientific article

Effects of food formulation and thermal processing on flavones in celery and chamomile

scientific article published on 25 April 2013

Efficacy comparison of lyophilised black raspberries and combination of celecoxib and PBIT in prevention of carcinogen-induced oesophageal cancer in rats

scientific article published on 16 September 2016

Egg yolks inhibit activation of NF-κB and expression of its target genes in adipocytes after partial delipidation

scientific article

Endogenous enzymes, heat, and pH affect flavone profiles in parsley (Petroselinum crispum var. neapolitanum) and celery (Apium graveolens) during juice processing.

scientific article published on 30 December 2011

Enhanced bioavailability of lycopene when consumed as cis-isomers from tangerine compared to red tomato juice, a randomized, cross-over clinical trial.

scientific article published on 10 March 2015

Fresh produce and their soils accumulate cyanotoxins from irrigation water: Implications for public health and food security.

scientific article

Hepatic stellate cells are an important cellular site for β-carotene conversion to retinoid

scientific article published on 12 May 2010

High-Pressure Processing of Broccoli Sprouts: Influence on Bioactivation of Glucosinolates to Isothiocyanates.

scientific article published on 20 September 2017

Identification and quantification of apo-lycopenals in fruits, vegetables, and human plasma

scientific article

Identification and quantification of metallo-chlorophyll complexes in bright green table olives by high-performance liquid chromatrography-mass spectrometry quadrupole/time-of-flight.

scientific article published on 4 October 2011

Identification of an Epoxide Metabolite of Lycopene in Human Plasma Using 13C-Labeling and QTOF-MS.

scientific article published on 20 March 2018

Identification of phenolic compounds in petals of nasturtium flowers (Tropaeolum majus) by high-performance liquid chromatography coupled to mass spectrometry and determination of oxygen radical absorbance capacity (ORAC).

scientific article

Impact of food matrix on isoflavone metabolism and cardiovascular biomarkers in adults with hypercholesterolemia

scientific article

Inhibition of bladder cancer by broccoli isothiocyanates sulforaphane and erucin: characterization, metabolism, and interconversion

scientific article published on 05 October 2012

Isoflavone pharmacokinetics and metabolism after consumption of a standardized soy and soy-almond bread in men with asymptomatic prostate cancer.

scientific article

Isothiocyanate metabolism, distribution, and interconversion in mice following consumption of thermally processed broccoli sprouts or purified sulforaphane.

scientific article

Macrophage maturation from blood monocytes is altered in people with HIV, and is linked to serum lipid profiles and activation indices: A model for studying atherogenic mechanisms

scientific article published on 01 October 2020

Modulation of genetic and epigenetic biomarkers of colorectal cancer in humans by black raspberries: a phase I pilot study

scientific article

Naturally Occurring Eccentric Cleavage Products of Provitamin A β-Carotene Function as Antagonists of Retinoic Acid Receptors ⬇️

scientific article published on March 14, 2012

Nonanthocyanin secondary metabolites of black raspberry (Rubus occidentalis L.) fruits: identification by HPLC-DAD, NMR, HPLC-ESI-MS, and ESI-MS/MS analyses.

scientific article published on 27 November 2013

Not all anthocyanins are born equal: distinct patterns induced by stress in Arabidopsis.

scientific article

Optimizing dough proofing conditions to enhance isoflavone aglycones in soy bread.

scientific article published in October 2005

Relative contribution of α-carotene to postprandial vitamin A concentrations in healthy humans after carrot consumption.

scientific article published on 17 May 2017

Sex differences in skin carotenoid deposition and acute UVB-induced skin damage in SKH-1 hairless mice after consumption of tangerine tomatoes

scientific article

Strawberry phytochemicals inhibit azoxymethane/dextran sodium sulfate-induced colorectal carcinogenesis in Crj: CD-1 mice

scientific article published on 10 March 2015

Substrate Specificity of Purified Recombinant Chicken β-Carotene 9',10'-Oxygenase (BCO2).

scientific article published on 03 May 2016

Substrate specificity of purified recombinant human β-carotene 15,15'-oxygenase (BCO1)

scientific article

Suppression of Proinflammatory and Prosurvival Biomarkers in Oral Cancer Patients Consuming a Black Raspberry Phytochemical-Rich Troche

scientific article published on 23 December 2015

Tannin-protein complexes as radical scavengers and radical sinks

scientific article

The formation of Anthocyanic Vacuolar Inclusions in Arabidopsis thaliana and implications for the sequestration of anthocyanin pigments.

scientific article

The human enzyme that converts dietary provitamin A carotenoids to vitamin A is a dioxygenase

scientific article

Tomatoes protect against development of UV-induced keratinocyte carcinoma via metabolomic alterations.

scientific article

Too hot to handle? Synchrotron X-ray damage of lipid membranes and mesophases

scientific article

Urinary excretion of Citrus flavanones and their major catabolites after consumption of fresh oranges and pasteurized orange juice: A randomized cross-over study.

scientific article

Variation in lycopene and lycopenoates, antioxidant capacity, and fruit quality of buffaloberry (Shepherdia argentea [Pursh]Nutt.).

scientific article published on 8 October 2013

Xanthones in mangosteen juice are absorbed and partially conjugated by healthy adults.

scientific article published on 7 March 2012

β-Carotene-9',10'-oxygenase status modulates the impact of dietary tomato and lycopene on hepatic nuclear receptor-, stress-, and metabolism-related gene expression in mice

scientific article published on 19 February 2014

List of works by Ken M. Riedl

A comparison of plasma and prostate lycopene in response to typical servings of tomato soup, sauce or juice in men before prostatectomy

A liquid chromatography-tandem mass spectrometric method for quantitative determination of native 5-methyltetrahydrofolate and its polyglutamyl derivatives in raw vegetables.

A metabolomic evaluation of the phytochemical composition of tomato juices being used in human clinical trials

Absorption and Distribution Kinetics of the 13C-Labeled Tomato Carotenoid Phytoene in Healthy Adults.

An HPLC-MS/MS method for the separation of α-retinyl esters from retinyl esters.

An LC/MS method for d8-β-carotene and d4-retinyl esters: β-carotene absorption and its conversion to vitamin A in humans

Anti-tumorigenicity of dietary α-mangostin in an HT-29 colon cell xenograft model and the tissue distribution of xanthones and their phase II metabolites.

Application of a low polyphenol or low ellagitannin dietary intervention and its impact on ellagitannin metabolism in men.

Bioactive compounds or metabolites from black raspberries modulate T lymphocyte proliferation, myeloid cell differentiation and Jak/STAT signaling

Bioavailability and inter-conversion of sulforaphane and erucin in human subjects consuming broccoli sprouts or broccoli supplement in a cross-over study design.

Black raspberry components inhibit proliferation, induce apoptosis, and modulate gene expression in rat esophageal epithelial cells.

Carotene and novel apocarotenoid concentrations in orange-fleshed Cucumis melo melons: determinations of β-carotene bioaccessibility and bioavailability

Characterization of black raspberry functional food products for cancer prevention human clinical trials

Chromatographic separation of PTAD-derivatized 25-hydroxyvitamin D3 and its C-3 epimer from human serum and murine skin

Comparative phloem chemistry of Manchurian (Fraxinus mandshurica) and two North American ash species (Fraxinus americana and Fraxinus pennsylvanica).

Comparison of high-performance liquid chromatography/tandem mass spectrometry and high-performance liquid chromatography/photo-diode array detection for the quantitation of carotenoids, retinyl esters, α-tocopherol and phylloquinone in chylomicron-r

Comparison of isothiocyanate metabolite levels and histone deacetylase activity in human subjects consuming broccoli sprouts or broccoli supplement

Compartmental and noncompartmental modeling of ¹³C-lycopene absorption, isomerization, and distribution kinetics in healthy adults

Complementary shifts in photoreceptor spectral tuning unlock the full adaptive potential of ultraviolet vision in birds

Consumption of soy isoflavone enriched bread in men with prostate cancer is associated with reduced proinflammatory cytokines and immunosuppressive cells.

Design and selection of soy breads used for evaluating isoflavone bioavailability in clinical trials.

Determination of anthocyanins, total phenolic content, and antioxidant activity in Andes Berry (Rubus glaucus Benth).

Determination of carotenoids, total phenolic content, and antioxidant activity of Arazá (Eugenia stipitata McVaugh), an Amazonian fruit.

Drinking water with red beetroot food color antagonizes esophageal carcinogenesis in N-nitrosomethylbenzylamine-treated rats.

Effects of food formulation and thermal processing on flavones in celery and chamomile

Efficacy comparison of lyophilised black raspberries and combination of celecoxib and PBIT in prevention of carcinogen-induced oesophageal cancer in rats

Egg yolks inhibit activation of NF-κB and expression of its target genes in adipocytes after partial delipidation

Endogenous enzymes, heat, and pH affect flavone profiles in parsley (Petroselinum crispum var. neapolitanum) and celery (Apium graveolens) during juice processing.

Enhanced bioavailability of lycopene when consumed as cis-isomers from tangerine compared to red tomato juice, a randomized, cross-over clinical trial.

Fresh produce and their soils accumulate cyanotoxins from irrigation water: Implications for public health and food security.

Hepatic stellate cells are an important cellular site for β-carotene conversion to retinoid

High-Pressure Processing of Broccoli Sprouts: Influence on Bioactivation of Glucosinolates to Isothiocyanates.

Identification and quantification of apo-lycopenals in fruits, vegetables, and human plasma

Identification and quantification of metallo-chlorophyll complexes in bright green table olives by high-performance liquid chromatrography-mass spectrometry quadrupole/time-of-flight.

Identification of an Epoxide Metabolite of Lycopene in Human Plasma Using 13C-Labeling and QTOF-MS.

Identification of phenolic compounds in petals of nasturtium flowers (Tropaeolum majus) by high-performance liquid chromatography coupled to mass spectrometry and determination of oxygen radical absorbance capacity (ORAC).

Impact of food matrix on isoflavone metabolism and cardiovascular biomarkers in adults with hypercholesterolemia

Inhibition of bladder cancer by broccoli isothiocyanates sulforaphane and erucin: characterization, metabolism, and interconversion

Isoflavone pharmacokinetics and metabolism after consumption of a standardized soy and soy-almond bread in men with asymptomatic prostate cancer.

Isothiocyanate metabolism, distribution, and interconversion in mice following consumption of thermally processed broccoli sprouts or purified sulforaphane.

Macrophage maturation from blood monocytes is altered in people with HIV, and is linked to serum lipid profiles and activation indices: A model for studying atherogenic mechanisms

Modulation of genetic and epigenetic biomarkers of colorectal cancer in humans by black raspberries: a phase I pilot study

Naturally Occurring Eccentric Cleavage Products of Provitamin A β-Carotene Function as Antagonists of Retinoic Acid Receptors ⬇️

Nonanthocyanin secondary metabolites of black raspberry (Rubus occidentalis L.) fruits: identification by HPLC-DAD, NMR, HPLC-ESI-MS, and ESI-MS/MS analyses.

Not all anthocyanins are born equal: distinct patterns induced by stress in Arabidopsis.

Optimizing dough proofing conditions to enhance isoflavone aglycones in soy bread.

Relative contribution of α-carotene to postprandial vitamin A concentrations in healthy humans after carrot consumption.

Sex differences in skin carotenoid deposition and acute UVB-induced skin damage in SKH-1 hairless mice after consumption of tangerine tomatoes

Strawberry phytochemicals inhibit azoxymethane/dextran sodium sulfate-induced colorectal carcinogenesis in Crj: CD-1 mice

Substrate Specificity of Purified Recombinant Chicken β-Carotene 9',10'-Oxygenase (BCO2).

Substrate specificity of purified recombinant human β-carotene 15,15'-oxygenase (BCO1)

Suppression of Proinflammatory and Prosurvival Biomarkers in Oral Cancer Patients Consuming a Black Raspberry Phytochemical-Rich Troche

Tannin-protein complexes as radical scavengers and radical sinks

The formation of Anthocyanic Vacuolar Inclusions in Arabidopsis thaliana and implications for the sequestration of anthocyanin pigments.

The human enzyme that converts dietary provitamin A carotenoids to vitamin A is a dioxygenase

Tomatoes protect against development of UV-induced keratinocyte carcinoma via metabolomic alterations.

Too hot to handle? Synchrotron X-ray damage of lipid membranes and mesophases

Urinary excretion of Citrus flavanones and their major catabolites after consumption of fresh oranges and pasteurized orange juice: A randomized cross-over study.

Variation in lycopene and lycopenoates, antioxidant capacity, and fruit quality of buffaloberry (Shepherdia argentea [Pursh]Nutt.).

Xanthones in mangosteen juice are absorbed and partially conjugated by healthy adults.

β-Carotene-9',10'-oxygenase status modulates the impact of dietary tomato and lycopene on hepatic nuclear receptor-, stress-, and metabolism-related gene expression in mice