Spicing Up the Forest Floor Ajay Dhillon, Cam Appleby, Ryan Leffers Cinnamon Cinnamon contains a similar compound to both garlic and mustard, called cinnamaldehyde .We feel however that cinnamon didn’t get the same results due to its lack of solubility in water. #of Adult Worms Collected Mustard Powder 5 6 Garlic Powder Cayenne Pepper 3 1 5 -- Cinnamon Ginger 1 9 --- Invasive worms are an issue because they change soil properties, resulting in a cascading effect on the biodiversity and proper functioning of the ecosystem, leading to “Forest Decline Syndrome” • All worms identified were invasive Garlic Powder Garlic contains the irritating chemical allicin . Of the 5 adult worms, 2 were identified as Aporrectodea Rosea, and three were not able to be precisely identified due to lack of sexual maturity. Ginger Ginger contains terpenoids such as geranyl acetate which are naturally irritant and are commonly used in citronella to act as insect repellents. # of Juvenile Worms Collected The adult Worms that couldn’t be precisely identified were of the following 3 types. • Dendrobaena Octaedra • Lumbricus Castaneus • Bimastos Parvus Mustard Powder Main irritating chemical is Allyl Isothiocyanate .Of the 6 adults, 2 were identified as Aporrectodea Rosea, and the remaining 4 couldn’t be identified accurately due to lack of sexual maturity. Cayenne Pepper The active ingredient in cayenne is Capsaicin. Although it is very spicy is appears to have no irritant effect on the worms. Type of Spice Allyl Isothiocyanate • • • Allicin Organosulfur compound in mustard • Organosulfur compound in garlic Serves as the plants defense against • Repelling component of the garlic • Allicin is produced by an herbivores enzymatic reaction when raw Synthetically used as insecticide garlic is either crushed or somehow injured Allicin, allyl disulfide (garlic), Allyl isothiocyanate, and cinnamaldehyde are all known to activate TRPA1 resulting in release of pain signals. This is the same receptor activated by tear gas and chlorine gas.