[1] Jorno Kenyatta Univ Agr & Technol, Dept Food Sci & Technol, Nairobi, Kenya
[2] Erfurt eV Grossbeeren, Leibniz Inst Vegetables & Ornamental Crops Grossb, Grossbeeren, Germany
[3] Univ Hamburg, Hamburg Sch Food Sci, Hamburg, Germany
[4] Univ Hamburg, Hamburg Sch Food Sci, Food Chem, Hamburg, Germany