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List of works by Jan Frank

(Poly)phenols, Carotenoids, and Tocochromanols in Corn (Zea mays L.) Kernels As Affected by Phosphate Fertilization and Sowing Time

scientific article published on 06 January 2020

A diet rich in olive oil phenolics reduces oxidative stress in the heart of SAMP8 mice by induction of Nrf2-dependent gene expression.

scientific article published on 11 January 2012

A validated method for the determination of selected phenolics in olive oil using high-performance liquid chromatography with coulometric electrochemical detection and a fused-core column

scientific article published on 05 December 2012

A validated method for the quantification of curcumin in plasma and brain tissue by fast narrow-bore high-performance liquid chromatography with fluorescence detection

scientific article published on 27 April 2010

Adenosine triphosphate concentrations are higher in the brain of APOE3- compared to APOE4-targeted replacement mice and can be modulated by curcumin

scientific article

Ascorbic acid, sucrose and olive oil lipids mitigate the inhibitory effects of pectin on the bioaccessibility and Caco-2 cellular uptake of ferulic acid and naringenin

scientific article published on 29 April 2020

Beneficial Effects of Ethanolic and Hexanic Rice Bran Extract on Mitochondrial Function in PC12 Cells and the Search for Bioactive Components.

scientific article published on 11 September 2015

Beyond vitamin E supplementation: an alternative strategy to improve vitamin E status

scientific article published on July 2005

Biomarkers of oxidative stress, antioxidant defence and inflammation are altered in the senescence-accelerated mouse prone 8.

scientific article published on 06 July 2012

Cardiac oxidative stress and inflammation are similar in SAMP8 and SAMR1 mice and unaltered by curcumin and Ginkgo biloba extract intake

scientific article published on December 2010

Comparative quantification of pharmacodynamic parameters of chiral compounds (RRR- vs. all-rac-alpha tocopherol) by global gene expression profiling.

scientific article published on July 2005

Comparison of tetrahydrofuran, fetal calf serum, and Tween 40 for the delivery of astaxanthin and canthaxanthin to HepG2 cells ⬇️

scientific article published on December 10, 2010

Comprehensive analysis of polyphenols in 55 extra virgin olive oils by HPLC-ECD and their correlation with antioxidant activities

scientific article

Consumption of sesame oil muffins decreases the urinary excretion of gamma-tocopherol metabolites in humans

scientific article

Curcumin may impair iron status when fed to mice for six months

scientific article published on 28 February 2014

Curcumin micelles improve mitochondrial function in neuronal PC12 cells and brains of NMRI mice - Impact on bioavailability

scientific article published on 05 August 2015

Curcumin prevents mitochondrial dysfunction in the brain of the senescence-accelerated mouse-prone 8.

scientific article published on 17 February 2013

Daily consumption of an aqueous green tea extract supplement does not impair liver function or alter cardiovascular disease risk biomarkers in healthy men.

scientific article

Development and validation of a rapid reversed-phase liquid chromatography method for CnAMP1 peptide quantification in human intestinal cell lines

scientific article published on 14 November 2018

Dietary exposure to continuous small doses of α-cypermethrin in the presence or absence of dietary curcumin does not induce oxidative stress in male Wistar rats

scientific article published on 5 November 2014

Dietary flavonoids do not affect vitamin E status in growing rats

scientific article

Dietary flavonoids with a catechol structure increase alpha-tocopherol in rats and protect the vitamin from oxidation in vitro

scientific article

Dietary green tea polyphenols do not affect vitamin E status, antioxidant capacity and meat quality of growing pigs

scientific article published on December 2008

Dietary isoflavones in the prevention of cardiovascular disease--a molecular perspective

scientific article

Dietary secoisolariciresinol diglucoside and its oligomers with 3-hydroxy-3-methyl glutaric acid decrease vitamin E levels in rats

scientific article

Dietary vitamin E deficiency does not affect global and specific DNA methylation patterns in rat liver.

scientific article

Dietary vitamin E, brain redox status and expression of Alzheimer's disease-relevant genes in rats.

scientific article published on 28 January 2009

Dietary α-tocopherol and atorvastatin reduce high-fat-induced lipid accumulation and down-regulate CD36 protein in the liver of guinea pigs

scientific article published on 20 February 2014

Do tocotrienols have potential as neuroprotective dietary factors?

scientific article published on 07 July 2011

Duality of Tocopherol Isoforms and Novel Associations with Vitamins Involved in One-Carbon Metabolism: Results from an Elderly Sample of the LifeLines Cohort Study

scientific article published on 23 February 2020

Effect of quercetin on traits of the metabolic syndrome, endothelial function and inflammation in men with different APOE isoforms

scientific article

Effects of Long-Term Rice Bran Extract Supplementation on Survival, Cognition and Brain Mitochondrial Function in Aged NMRI Mice.

scientific article published on 27 June 2016

Effects of curcumin in pediatric epithelial liver tumors: inhibition of tumor growth and alpha-fetoprotein in vitro and in vivo involving the NFkappaB- and the beta-catenin pathways.

scientific article published on 19 October 2015

Effects of dietary anthocyanins on tocopherols and lipids in rats

scientific article

Epigenetic activities of flavonoids in the prevention and treatment of cancer

scientific article published on 10 July 2015

High-dose supplementation with natural α-tocopherol does neither alter the pharmacodynamics of atorvastatin nor its phase I metabolism in guinea pigs

scientific article published on 29 November 2012

Highly bioavailable micellar curcuminoids accumulate in blood, are safe and do not reduce blood lipids and inflammation markers in moderately hyperlipidemic individuals

scientific article published on 23 February 2016

Influence of apolipoprotein E genotype and dietary alpha-tocopherol on redox status and C-reactive protein levels in apolipoprotein E3 and E4 targeted replacement mice

scientific article published on 8 January 2008

Intratumoral Concentrations and Effects of Orally Administered Micellar Curcuminoids in Glioblastoma Patients

scientific article published on 24 June 2016

Iron, Catechin, and Ferulic Acid Inhibit Cellular Uptake of β-Carotene by Reducing Micellization

scientific article published on 14 May 2019

Pharmacokinetics of vitamin E, γ-oryzanol, and ferulic acid in healthy humans after the ingestion of a rice bran-enriched porridge prepared with water or with milk

scientific article published on 05 July 2018

Prenylated chalcones and flavonoids for the prevention and treatment of cancer

scientific article published on 8 April 2016

Provitamin A Carotenoids, Tocopherols, Ascorbic Acid and Minerals in Indigenous Leafy Vegetables from Tanzania

scientific article published on 19 January 2019

Rapid baseline-separation of all eight tocopherols and tocotrienols by reversed-phase liquid-chromatography with a solid-core pentafluorophenyl column and their sensitive quantification in plasma and liver

scientific article

Rapid method for glutathione quantitation using high-performance liquid chromatography with coulometric electrochemical detection

scientific article published on 30 December 2013

Rice bran extract improves mitochondrial dysfunction in brains of aged NMRI mice

scientific article published on 4 August 2015

Rice bran extract protects from mitochondrial dysfunction in guinea pig brains

scientific article published in July 2013

Simultaneous ingestion of dietary proteins reduces the bioavailability of galloylated catechins from green tea in humans

scientific article published on 25 February 2012

The Coconut Water Antimicrobial Peptide CnAMP1 Is Taken up into Intestinal Cells but Does Not Alter P-Glycoprotein Expression and Activity

scientific article published on 27 May 2020

The Oral Bioavailability of 8-Prenylnaringenin From Hops (Humulus lupulus L.) in Healthy Women and Men is Significantly Higher Than That of its Positional Isomer 6-Prenylnaringenin in a Randomized Crossover Trial.

scientific article published on 23 January 2018

The dietary hydroxycinnamate caffeic acid and its conjugate chlorogenic acid increase vitamin e and cholesterol concentrations in Sprague-Dawley rats

scientific article published in April 2003

The oral bioavailability of curcumin from micronized powder and liquid micelles is significantly increased in healthy humans and differs between sexes

scientific article published on 09 January 2014

The senescence-accelerated mouse-prone 8 is not a suitable model for the investigation of cardiac inflammation and oxidative stress and their modulation by dietary phytochemicals

scientific article published on 17 June 2013

The use of total antioxidant capacity as surrogate marker for food quality and its effect on health is to be discouraged

scientific article published on 14 December 2013

Tocochromanol Profiles in Chlorella sorokiniana, Nannochloropsis limnetica and Tetraselmis suecica Confirm the Presence of 11′-α-Tocomonoenol in Cultured Microalgae Independently of Species and Origin

scientific article published in 2022

Tocopherols and tocotrienols in serum and liver of dairy cows receiving conjugated linoleic acids or a control fat supplement during early lactation

scientific article published on 22 July 2015

Tocopherols, Tocomonoenols, and Tocotrienols in Oils of Costa Rican Palm Fruits: A Comparison between Six Varieties and Chemical versus Mechanical Extraction

scientific article published on 30 July 2017

Vitamin E dependent microRNA regulation in rat liver

scientific article published on 24 September 2008

Vitamin E-drug interactions: molecular basis and clinical relevance

scientific article published on 16 September 2014

α-Tocomonoenol Is Bioavailable in Mice and May Partly Be Regulated by the Function of the Hepatic α‑Tocopherol Transfer Protein

scientific article published on 19 October 2020

α-Tocopherol transfer protein is not required for the discrimination against γ-tocopherol in vivo but protects it from side-chain degradation in vitro

scientific article published on 13 January 2014

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