Heat in peppers is measured in Scoville Heat Units, named for Wilbur Scoville who worked for the Parke Davis Pharmaceutical Company. In 1912 he was working on a muscle cream that used capsaicin, the substance in peppers that give them their
heat. Scoville conducted a series of tests with whole ground chilies mixed in a solution of water & sugar. He had a panel of 5 testers sip the solution in increased dilutions until it reached the point that it no longer burned the mouth. Lot's of Prylosec & Rolaids in the room
(at least there would have been for me).
A number was then assigned to each pepper based on how much it needed to be diluted before you could not feel the heat. One part of chili-heat per one million drops of water was then rated at 1.5 Scoville Heat Units or SHU for short.
When
asked, Scoville called his test " The Scoville Organaleptic* Test." Measured in multiples of 100 units, the pungency of chili peppers finds itself at zero Scoville Units in your basic green & colored bell peppers , while the hottest of hot peppers the Red Savina
variety Habanero chili ranks in at a whopping 350,000 SHU.
*Organoleptic
A broad and general definition of the combined qualities of appearance, aroma and flavor.
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