The Science Behind Calendula’s Golden Flowers

Calendula’s brilliant yellow and orange flowers are not just beautiful. Their colour is connected to some of the plant’s interesting natural chemistry. The flowers contain carotenoids, a family of natural pigments responsible for many of the yellow, orange...

Calendula: What Do We Really Know?

Calendula provides a good example of why we should distinguish between traditional use, laboratory findings and evidence from human studies. The strongest clinical support currently concerns topical calendula preparations, particularly creams and ointments used on the...

Where Does Calendula Have the Strongest Evidence?

Calendula is particularly interesting because its strongest human evidence concerns something it has traditionally been associated with for generations: the skin and wound healing. Clinical studies have investigated calendula creams and ointments for several types of...

What Gives Calendula Its Healing Properties?

Calendula flowers contain several groups of natural compounds that help explain why this bright orange plant has attracted so much scientific interest, particularly for skin and wound care. Alcoholic and hydroalcoholic extracts contain flavonoids, including quercetin...

Why Is Real Lemon Balm Essential Oil So Valuable?

Lemon balm may grow happily in gardens, but obtaining its essential oil is another matter. Melissa officinalis produces only a small amount of essential oil, making genuine lemon balm oil relatively valuable. The oil is characterized by its high content of citral –...