Optimisation of phenolic compounds and antioxidant activity extraction conditions of a roasted mix of <em>Tetrapleura tetraptera</em> (Schumach & Thonn.) and <em>Aframomum citratum</em> (C. Pereira) fruits using response surface methodology (RSM)
Means ± standard deviations of three observations followed by different superscripts (a,b in the same column are significantly different at 5% level; GAE: Gallic acid equivalent; CE: Catechin equivalent: dw: dry weight; TPP: Total Polyphenols; TFL: Total Flavonoids.
Means ± standard deviations of three observations followed by different superscripts (a–j) are significantly different: GAE: Gallic acid equivalent; TE: Trolox Equivalent: dw: dry weight.
SE: Standard Error; X1: Roasting temperature (°C); X2: Roasting time (min); X3: Brewing time (min); GAE: Gallic acid Equivalent; TE: Trolox Equivalent.
TPP: Total Polyphenols; TAC: Total Antioxidant Capacity; GAE: Gallic acid equivalent; TE: Trolox Equivalent; dw: dry weight.
Biographies
Eyenga Manga is a PhD student in Gembloux Agro-Biotech Faculty at Liege University, Belgium. Her research areas are Nutrition, Food technology and Food sciences.
Brostaux Yves is a senior lecturer in Agronomy, Bio engineering and chemistry (AgroBioCem)/Modeling and Development at TERRA research center, Gembloux Agro-BioTech faculty. Skills and expertise: statistical analysis, modeling and simulation, agronomy, data analysis, R statistical package, applied statistics.
Ngondi Judith Laure is senior lecturer in the Faculty of Biochemistry in Yaoundé University, Cameroon. Her research areas are nutrition and biochemistry and she is a versatile writer and researcher that published extensively in specialized field.
Sindic Marianne is a senior lecturer in Gembloux Agro-Biotech Faculty at Liege University, Belgium. She taught various subjects to future chemists and agronomists particularly in the field of quality management and Agro-food technologies.
Footnotes
Peer review under responsibility of King Saud University.