Absinthe "the holy trinity." Many other herbs may be used as well, such as petite wormwood ("Artemisia pontica" or Roman wormwood), hyssop, melissa, star anise, angelica, peppermint, coriander, and veronica. Adding to absinthe's negative reputation in the late 19th and early 20th centuries, unscrupulous makers of the drink omitted the traditional colouring phase of production in favour of adding toxic copper salts to artificially induce a green tint. This practice may be responsible for some of the alleged toxicity historically associated with this beverage. Many modern day producers resort to similar (but non-deadly) shortcuts, including the use of artificial food colouring
Angelica syndrome), the floral scents are species-specific, and even specific to particular subspecies. The active ingredients of angelica are found in the roots and rhizomes and contains furocoumarins in its tissues which make the skin sensitive to light. Some species are grown as flavoring agents or for their medicinal properties. The most notable of these is garden angelica ("A. archangelica"), which is commonly known simply as angelica. Natives of Lapland use the fleshy roots as food and the stalks as medicine. Crystallized strips of young angelica stems and midribs are green in colour and are sold as decorative and flavoursome cake