Now showing items 1-4 of 4
Total phenolic content and antiodant activity of G.obscurum
(Universiti Malaysia Perlis, 2011)
The natural value of the leaves of the Tebengau ‘Glochidion obscurum’ was explored in this study. The leaf sample of these plant species was collected at Pusat Agrotech Sungai Chucuh. Other than that, this experiment ...
Change in total phenolic content and antioxidant activity at different growth and development stages of Misai Kucing (Orthosiphon stamineus) plants
(Universiti Malaysia Perlis, 2010-05)
Many studies on herbal plants indicated that chemical content composition of these plants may vary substantially at the different growth stages. In this research, the changes of total phenolic content and antioxidant ...
Effects of drying temperatures and residual moisture content on marker compounds, total phenolics and antioxidant capacity of Orthosiphon stamineus benth (Misai Kucing) leaves
(Universiti Malaysia Perlis, 2011-05)
Experiments were conducted to determine effect on total phenolic, biomarker compounds and antioxidant capacity. Different temperature treatment (40, 50 and 70°C) and drying stage for different moisture content (initial, ...
The effects of drying temperature on total phenolic content (TPC) and Antioxidant Activities of Misai Kucing (Orthosiphon stamineus Benth) Plants
(Universiti Malaysia Perlis, 2010-06)
The modified spectrophotometric method makes use of the 2,2- diphenyl-1- picrylhydrazyl (DPPH) radical and its specific absorbance properties. The absorbance decreases when the radical is reduced by antioxidants. In ...