This detailed treatise is written for chemists who are not NMR spectroscopists but who wish to use carbon-13 NMR spectroscopy. It shows why measurement of carbo

The flavonoids, one of the most numerous and widespread groups of natural constituents, are important to man not only because they contribute to plant colour bu

Widely distributed throughout plant families, flavonoids give many flowers and fruits their vibrant colors. They also play a role in protecting the plants from

Flavonoids are a group of natural products isolated from a wide variety of plants, and are responsible for much of the coloring found in vascular plants. They e

The ftavonoid pigments, one of the most numerous and widespread groups of natural constituents, are ofimportance and interest to a wide variety ofphysical and b