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Development of Novel Detection Method for Rutinosidase in Tartary Buckwheat (Fagopyrum tataricum Gaertn.)
| Content Provider | MDPI |
|---|---|
| Author | Suzuki, Tatsuro Morishita, Toshikazu Takigawa, Shigenobu Noda, Takahiro Ishiguro, Koji Otsuka, Shiori |
| Copyright Year | 2022 |
| Description | Contamination of rutinosidase is a major problem for rutin-rich food due to the hydrolysis of the functional compound rutin and generation of strong bitterness caused by the hydrolyzed moiety quercetin. This problem sometimes occurs between the trace and normal rutinosidase Tartary buckwheat varieties. Here, we developed a simple and rapid method for rutinosidase detection in ‘ripening seeds using UV light’ and in ‘dough using alum-flavonoid complexation’ from Tartary buckwheat (Fagopyrum tataricum Gaertn.). Normal rutinosidase seeds can be distinguished from trace-rutinosidase mature seeds and ripening young seeds using a rutin solution by comparing the muddiness, which corresponds to quercetin generation. In dough, we detected a threefold relative increase in rutinosidase activity corresponding to 1% contamination of normal rutinosidase flour with trace-rutinosidase flour within 65 min. These methods do not require expensive apparatuses and toxic chemicals and are therefore promising for detecting and preventing contamination by rutinosidase, e.g., in food processing factories. |
| Starting Page | 320 |
| e-ISSN | 22237747 |
| DOI | 10.3390/plants11030320 |
| Journal | Plants |
| Issue Number | 3 |
| Volume Number | 11 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-01-25 |
| Access Restriction | Open |
| Subject Keyword | Plants Tartary Buckwheat Rutin Rutinosidase Detection Bitterness Alum |
| Content Type | Text |
| Resource Type | Article |
