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Spilanthol (affinin) is a fatty acid amide isolated from Acmella oleracea. [1] It is believed to be responsible for the local anesthetic properties of the plant. [2]Spilanthol permeates the human skin [3] and the inside lining of the cheeks in the mouth (buccal mucosa), [4] resulting in local as well as systemic pharmacological concentrations.
The spilanthol proved effective at killing mosquitoes, with a 24-hour LD 100 of 12.5 μg/mL, and 50% mortality at 6.25 μg/mL. The mixture of spilanthol isomers produced a 66% weight reduction of corn earworm larvae at 250 μg/mL after 6 days. [18]
The best known of these is the toothache plant, which was formerly Spilanthes acmella but is now considered part of its own genus and is referred to as Acmella oleracea. [7] Other taxa formerly included in Spilanthes include: [3] Adenostemma; Eclipta; Heliopsis; Isocarpha; Jaegeria; Melampodium; Salmea; Verbesina; Wollastonia; Zinnia
Image credits: undiscoveredh1story Nowadays, we consume tons of visual media. Videos, photos, cinema, and TV can help us learn new things every day. However, they can just as easily misinform us.
The Normandy landings, better known as D-Day, was when the Allies launched the largest seaborne invasion in history during World War II. Men of the 16th Infantry Regiment, U.S. 1st Infantry ...
Fenton's pictures during the Crimean War were one of the first cases of war photography, with Valley of the Shadow of Death considered "the most eloquent metaphor of warfare" by The Oxford Companion to the Photograph. [13] [14] [s 3] Sergeant Dawson and his Daughter: 1855 Unknown; attributed to John Jabez Edwin Mayall [15] Unknown [e]
Playgirl is an American magazine that has historically featured pictorials of nude and semi-nude men alongside general interest, lifestyle, celebrity journalism, and original fiction. For most of its history, the magazine printed monthly and was marketed mainly to women, though it developed a significant gay male readership.
Several of Hesler's best-known images of Lincoln are platinum prints produced by Ayres from Hesler negatives. [1] Hesler's 1860 glass-plate negatives were used after Lincoln's death as bases for further images of the President, including busts by sculptors such as Gutzon Borglum. Alexander Hesler is buried in Racine, Wisconsin. A short ...