Hans‐Peter Helfrich

Epicatechin ingested via cocoa products reduces blood pressure in humans: a nonlinear regression model with a Bayesian approach

Sabine Ellinger, Andreas Reusch, Peter Stehle et al. · American Journal of Clinical Nutrition · 2012 · 95 citations

Nutrition, Hypertension, Body Composition +9

Kinetics of ʟ-Theanine Uptake and Metabolism in Healthy Participants Are Comparable after Ingestion of ʟ-Theanine via Capsules and Green Tea4

Lisa Scheid, Sabine Ellinger, Birgit Alteheld et al. · Journal of Nutrition · 2012 · 63 citations · Full text

Nutrition, Nutrient Bioavailability, ʟ-Theanine Uptake +8

Regular Intake of a Usual Serving Size of Flavanol-Rich Cocoa Powder Does Not Affect Cardiometabolic Parameters in Stably Treated Patients with Type 2 Diabetes and Hypertension—A Double-Blinded, Randomized, Placebo-Controlled Trial

Lisa Dicks, Natalie Kirch, Dorothea Gronwald et al. · Nutrients · 2018 · 47 citations · Full text

A trust region algorithm for parametric curve and surface fitting

Hans‐Peter Helfrich, D. Zwick · Journal of Computational and Applied Mathematics · 1996 · 42 citations

Geometric Modeling, Geometric Interpolation, Engineering +12

A nutritive dose of pure (–)-epicatechin does not beneficially affect increased cardiometabolic risk factors in overweight-to-obese adults—a randomized, placebo-controlled, double-blind crossover study

Natalie Kirch, Lea Berk, Yvonne Liegl et al. · American Journal of Clinical Nutrition · 2018 · 36 citations

Obesity, Nutrition, Metabolic Syndrome +12