Wilhelm Stahl

Lycopene is more bioavailable from tomato paste than from fresh tomatoes

Christine Gärtner, Wilhelm Stahl, Helmut Sies · American Journal of Clinical Nutrition · 1997 · 681 citations

Food Chemistry, Health Sciences, Fresh Tomatoes +7

Uptake of Lycopene and Its Geometrical Isomers Is Greater from Heat-Processed than from Unprocessed Tomato Juice in Humans

Wilhelm Stahl, Helmut Sies · Journal of Nutrition · 1992 · 670 citations

Food Chemistry, Biochemistry, Medicine +11

β-Carotene Is an Important Vitamin A Source for Humans

Tilman Grune, Georg Lietz, Andreu Palou et al. · Journal of Nutrition · 2010 · 563 citations · Full text

Vitamin Nutrition, Nutrition, Carotenoid +4

The potential for the improvement of carotenoid levels in foods and the likely systemic effects

Henk van den Berg, Richard M. Faulks, H Fernando Granado et al. · Journal of the Science of Food and Agriculture · 2000 · 489 citations

Plant Physiology, Nutrition, Engineering +20

cis-trans isomers of lycopene and β-carotene in human serum and tissues

Wilhelm Stahl, Wolfgang Schwarz, Alfred R. Sundquist et al. · Archives of Biochemistry and Biophysics · 1992 · 412 citations

Carotenoid, Biochemistry, Medicine +4