Radical scavenging activity of crude polysaccharides from Camellia sinensis
2011
Yang, F., Shanghai Normal University, Shanghai (China). College of Life and Environment Science | Yang, Z., Shanghai Normal University, Shanghai (China). College of Life and Environment Science | Xiao, J., Shanghai Normal University, Shanghai (China). College of Life and Environment Science
A preparation of crude polysaccharides (TPS) was isolated from Camellia sinensis by precipitation and ultrafiltration. TPS1, TPS2, and TPS3 had molecular weights of 240, 21.4, and 2.46 kDa, respectively. The radical scavenging activities of TPS were evaluated by DPPH free radical, hydroxyl radical and superoxide radical scavenging. These results revealed that TPS exhibited strong radical scavenging activity in a concentration-dependent manner. TPS3 with lowest molecular weight showed a higher radical scavenging activity.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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