Extraction and purification of ustiloxin A from rice false smut balls by a combination of macroporous resin and high-speed countercurrent chromatography

Bibliographic Details
Title: Extraction and purification of ustiloxin A from rice false smut balls by a combination of macroporous resin and high-speed countercurrent chromatography
Authors: Gang Wang, Dan He, Fengchun Zhao, Junqiang Hu, Yin-Won Lee, Jianrong Shi, Jianhong Xu
Source: Food Production, Processing and Nutrition, Vol 2, Iss 1, Pp 1-13 (2020)
Publisher Information: BMC, 2020.
Publication Year: 2020
Collection: LCC:Nutrition. Foods and food supply
LCC:Food processing and manufacture
Subject Terms: Ustiloxin A, Rice false smut, Preparative purification, Macroporous resin, High-speed counter-current chromatography, Phytotoxicity assay, Nutrition. Foods and food supply, TX341-641, Food processing and manufacture, TP368-456
More Details: Abstract Rice false smut is an emerging plant disease worldwide. Ustiloxin A (UstA) is the major mycotoxin found in rice false smut balls, which are fungal colonies in rice florets. In this study, a new method consisting of macroporous resin column chromatography and high-speed countercurrent chromatography (HSCCC) was developed for UstA separation. UstA was extracted by a 3.81% HCOOH solution and adsorbed by XAD-4 resin. UstA was then eluted by a 40% methanol solution supplemented with 0.1% trifluoroacetic acid (TFA). Further purification was achieved by HSCCC using a two-phase solvent system consisting of n-butanol/TFA/H2O (1/0.05/1, v/v/v). Under the optimized conditions, 225 mg of UstA was obtained with a purity of 97.39% in a single run, with a final recovery of 65.2%. An inhibitory effect on seed germination of wheat and maize caused by UstA was observed in a preliminary phytotoxicity assay. Graphical abstract
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2661-8974
Relation: https://doaj.org/toc/2661-8974
DOI: 10.1186/s43014-020-00043-9
Access URL: https://doaj.org/article/52b70ec450484e05bfda13f50fdf2fae
Accession Number: edsdoj.52b70ec450484e05bfda13f50fdf2fae
Database: Directory of Open Access Journals
More Details
ISSN:26618974
DOI:10.1186/s43014-020-00043-9
Published in:Food Production, Processing and Nutrition
Language:English