Green synthesis of cobalt and iron incorporated citric acid/β-cyclodextrin composites: Efficient H2O2 scavengers

被引：7
|
作者：
Pirouzmand, Mahtab [1 ]
Nikzad Kojanag, Behnaz [1 ]
Hosseini-Yazdi, Seyed Abolfazl [1 ]
Aghabeigy, Nasrin [1 ]
机构：
[1] Univ Tabriz, Fac Chem, Dept Inorgan Chem, Tabriz 5166616471, Iran
来源：
APPLIED ORGANOMETALLIC CHEMISTRY | 2022年 / 36卷 / 02期
关键词：
catalase; Co/CA-beta-cyclodextrin; Fe/CA-beta-cyclodextrin; superoxide scavenging; PEROXIDASE-LIKE ACTIVITY; BETA-CYCLODEXTRIN; COMPLEXES; COPPER(II);
D O I：
10.1002/aoc.6505
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Sonochemical procedure was used to synthesize Co/beta-cyclodextrin complex. For the first time, Fe/beta-cyclodextrin complex was also synthesized in alkaline media. Moreover, beta-cyclodextrin was modified by citric acid (CA) and reacted with metal salts under ultrasonic irradiation. The prepared catalysts were characterized by using EDX, UV-vis and FTIR analytical techniques. The highest incorporation of metal into beta-cyclodextrin was observed in the citric acid cross linked beta-CD. The catalase like activity (peroxide scavenging) of Co/beta-CD and Fe/beta-CD complexes and composites was evaluated by UV-visible spectrophotometer and their superoxide scavenging capacity were measured using the pyrogallol method. The Co-3/CA-beta-CD complex showed the best catalase mimetic activity (93.2%) even in comparison to catalase enzyme extracted from potato. Therefore, cobalt complexes of citric acid/beta-CD are promising candidates for H2O2 scavenging. By contrast Fe-3/CA-beta CD complex had stronger capability to eliminate superoxide anion radicals.
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页数：8
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