Abstract
From a 60% hydroalcoholic extract of the seeds of Annona purpurea, a novel cyclooctapeptide, cyclopurpuracin (1), or cyclo(-Pro1-Gly2-Phe3-ILe4-Gly5-Ser6-Pro7-Val8-), has been isolated. The structure of cyclopurpuracin (1) was determined by de novo sequencing based on MS/MS spectra and 1D and 2D NMR techniques (1H, 13C, HSQC, HMBC, COSY and ROESY).
| Original language | English (US) |
|---|---|
| Pages (from-to) | 164-167 |
| Number of pages | 4 |
| Journal | Phytochemistry Letters |
| Volume | 23 |
| DOIs | |
| State | Published - Feb 2018 |
| Externally published | Yes |
Keywords
- Annona purpurea
- Chincuya
- Cyclopeptides
- Seeds
ASJC Scopus subject areas
- Biotechnology
- Biochemistry
- Agronomy and Crop Science
- Plant Science
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