The latest work is the result of research visits to Kew Herbarium, focusing upon centella asiatica, otherwise known as Asiatic pennywort or gotu kola, a common flowering plant found in temperate & subtropical wetlands, such as Asia, Africa & South America. It has been used for centuries in traditional medicine, to improve memory & neuronal health, stress & skin disorders and as a culinary herb. It has beneficial phytoremediation properties of removing toxicity & heavy metals from the soil.