For antioxidant activity measured by the ferric thiocyanate method and reducing power of methanol, hot water extracts and polysaccharides increased with increasing amount of sample.

• 然而在还原力及硫氰酸铁法评估其抗氧化力之结果中，无论是热水、甲醇萃取物及多醣体，皆随著浓度的增加有上升的趋势。