Olaf Kelber

Genter Str. 7
Koeln, NW 50672, Germany

Last Updated: 09/26/2026

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Found 37 publications

Genotoxicity Studies of Milk Thistle Fruit (Silybum marianum fructus) Dry Extracts: No Hints of Mutagenicity.

Genotoxicity Studies of Milk Thistle Fruit (Silybum marianum fructus) Dry Extracts: No Hints of Mutagenicity.

Journal: Planta medica

Published: January 14, 2026

Genotoxicity Assessment of Hypericum perforatum Dry Extracts in the Ames Test Based on the "Bracketing and Matrixing" Concept.

Genotoxicity Assessment of Hypericum perforatum Dry Extracts in the Ames Test Based on the "Bracketing and Matrixing" Concept.

Journal: Planta medica

Published: November 11, 2025

From Vision to Reality: Five Years of the Botanical Safety Consortium.

From Vision to Reality: Five Years of the Botanical Safety Consortium.

Journal: Pharmaceutical biology

Published: November 10, 2025

Bidirectional interactions between St. John´s wort and gut microbiome: Potential implications on gut-brain-axis.

Bidirectional interactions between St. John´s wort and gut microbiome: Potential implications on gut-brain-axis.

Journal: Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie

Published: March 27, 2025

Trends and Patterns for the Use of Herbal Medicinal Products for Gynaecological Ailments.

Trends and Patterns for the Use of Herbal Medicinal Products for Gynaecological Ailments.

Journal: Phytotherapy research : PTR

Published: March 24, 2025

A proposed screening strategy for evaluating the genotoxicity potential of botanicals and botanical extracts.

A proposed screening strategy for evaluating the genotoxicity potential of botanicals and botanical extracts.

Journal: Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association

Published: September 19, 2024

Rationalising Optimal Dosing of Phytotherapeutics For Use In Children: Current Status - Potential Solutions - Actions Needed.

Rationalising Optimal Dosing of Phytotherapeutics For Use In Children: Current Status - Potential Solutions - Actions Needed.

Journal: Planta medica

Published: March 25, 2024

Patient-reported therapeutic benefits of herbal medicinal products in the treatment of gynecological ailments.

Patient-reported therapeutic benefits of herbal medicinal products in the treatment of gynecological ailments.

Journal: BMC complementary medicine and therapies

Published: March 18, 2024

Improving the rigor and utility of botanical toxicity studies: Recommended resources.

Improving the rigor and utility of botanical toxicity studies: Recommended resources.

Journal: Regulatory toxicology and pharmacology : RTP

Published: May 15, 2023

Gut Microbiome-Brain Alliance: A Landscape View into Mental and Gastrointestinal Health and Disorders.

Gut Microbiome-Brain Alliance: A Landscape View into Mental and Gastrointestinal Health and Disorders.

Journal: ACS chemical neuroscience

Published: May 08, 2023

Phytohustil® and root extract of Althaea officinalis L. exert anti-inflammatory and anti-oxidative properties and improve the migratory capacity of endothelial cells in vitro.

Phytohustil® and root extract of Althaea officinalis L. exert anti-inflammatory and anti-oxidative properties and improve the migratory capacity of endothelial cells in vitro.

Journal: Frontiers in pharmacology

Published: May 19, 2022

Medicinal Plants and Their Impact on the Gut Microbiome in Mental Health: A Systematic Review.

Medicinal Plants and Their Impact on the Gut Microbiome in Mental Health: A Systematic Review.

Journal: Nutrients

Published: March 18, 2022

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Last Updated: 09/26/2026