1 H NMR Studies on Italian Balsamic and Traditional Balsamic Vinegars
β Scribed by Consonni, Roberto; Gatti, Alberto
- Book ID
- 127323194
- Publisher
- American Chemical Society
- Year
- 2004
- Tongue
- English
- Weight
- 85 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0021-8561
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Spinosin, a C-glycoside flavonoid, was isolated from the plant Desmodium tortuosum (Sw.) DC. The 1 H and 13 C NMR data acquired at room temperature exhibited doubling of signals, suggesting the presence of two rotamers in solution. Variable-temperature 1 H NMR experiments confirmed this hypothesis.