Other common ingredients include honey, cinnamon, ginger and dried clove. It remains unproven whether blood sugar levels are reduced by cloves or clove oil. "Stufatu" is a stew made with beef meat, ham, garlic, onion, clove and herbs. Sydenham's 1669 recipe for laudanum mixed opium with wine, saffron, clove and cinnamon. Ingredients vary from cinnamon, clove, and juniper, to kusum flower, ashvagandha, and sahi jeera. The green, dry "folds" in the center of the garlic clove are especially pungent. To prepare the "caquelon" it is first rubbed with a cut garlic clove. A high oil content hop known for strong aroma including fruitiness, eucalyptus, clove, and tobacco. "Tillandsia cyanea" have a fragrance resembling that of clove spice. Madagascar and Indonesia are the main producers of clove oil. Then she lights a candle and grabs a pinned clove with a pair of scissors. Then the healer holds the clove over the flame. Tippu Tip traded in slaves for Zanzibar's clove plantations. Thresh, District 11's male tribute, overhears and kills Clove. Exports have suffered from the downturn in the clove market.