Many plant sources do not even bother with the native species.

As a result, the majority of the calories in both their diets came from plant sources.

They are also simply made, by extraction from plant sources with relatively simple processing.

Over 4000 different flavonoids have been identified from various plant sources.

Since the plant source is relatively rare, a total synthesis was developed in 1996.

Choose most of the foods you eat from plant sources.

In 1897, 19,000 tons of indigo were produced from plant sources.

They are widely distributed in nature and have been isolated from a variety of plant sources.

They are found in a variety of plant sources.

They are among the better plant sources of iron and zinc.