What Gives Rosemary Its Power?

Rosemary contains two quite different groups of natural compounds, depending on whether we look at its extracts or its essential oil. Alcoholic and hydroalcoholic extracts of Rosmarinus officinalis, now also known scientifically as Salvia rosmarinus, are particularly...

Why Is Chamomile Oil Blue?

Chamomile flowers are white and yellow, so it may come as a surprise that their essential oil can be a striking deep blue. Even more surprisingly, one of the compounds responsible for this colour is not present in the flower in exactly the same form. Chamomile...

What Gives Chamomile Its Power?

Chamomile contains two quite different groups of natural compounds, depending on whether we look at its extracts or its essential oil. Alcoholic and hydroalcoholic extracts of Matricaria chamomilla are particularly rich in flavonoids. The best known is apigenin,...

Lavender Has Two Very Different Scientific Sides

When we hear the word lavender, most of us probably think immediately of its fragrance. Scientifically, however, lavender has another side that we cannot smell at all. Its essential oil is dominated by volatile compounds such as linalool and linalyl acetate. These are...

What Gives Lavender Its Power?

Lavender contains two quite different groups of natural compounds, depending on whether we look at its extracts or its essential oil. Alcoholic and hydroalcoholic extracts of Lavandula angustifolia are rich in polyphenols. One of the most important is rosmarinic acid,...