Structure, conformation in aqueous solution and antimicrobial activity of ulvan extracted from green seaweed Ulva reticulata

被引：53
|
作者：
Thi Thanh Van Tran [1 ]
Hai Bang Truong [1 ]
Nguyen Ha Vy Tran [1 ]
Thi Minh Thu Quach [2 ]
Thi Nu Nguyen [3 ]
Minh Ly Bui [1 ]
Yoshiaki Yuguchi [4 ]
Thi Thu Thuy Thanh [2 ]
机构：
[1] Vietnam Acad Sci & Technol, Nha Trang Inst Technol Res & Applicat, Nha Trang, Vietnam
[2] Vietnam Acad Sci & Technol, Inst Chem, Hanoi, Vietnam
[3] Hanoi Metropolitan Univ, Hanoi, Vietnam
[4] Osaka Electrocommun Univ, Fac Engn, Osaka, Japan
来源：
NATURAL PRODUCT RESEARCH | 2018年 / 32卷 / 19期
关键词：
Ulvan; green seaweed; Ulva reticulata; structure; antimicrobial activity; SULFATED POLYSACCHARIDES; NMR ANALYSIS; ALGAE; LACTUCA;
D O I：
10.1080/14786419.2017.1408098
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The aim of this study is to elucidate the structure and investigate the antimicrobial activity of an ulvan obtained by water extraction from green seaweed Ulva reticulata collected at NhaTrangsea of Vietnam by using IR, NMR, SEC-MALLS and SAXS methods. The ulvan is composed of rhamnose, galactose, xylose, manose and glucose (mole ratio Rha: Gal: Xyl: Man: Glu=1:0.12:0.1:0.06:0.03), uronic acid (22.5%) and sulphate groups (17.6%). Chemically structural determination showed that the ulvan mainly composed of disaccharide [4)-D-GlcA(14)-L-Rha3S-(1]. The results from SAXS indicated that ulvan under study has a rod-like bulky chain conformation. Ulvan from U.reticulata showed high antimicrobial activity, with inhibition zone diameter of 20mm against Enterobacter cloace and 18mm against Escherichiacoli. [GRAPHICS] .
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收藏
页码：2291 / 2296
页数：6
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