Jeffrey Collins, Associated Press
FORT MILL, S.C. — Ed Currie holds one of his world-record Carolina Reaper peppers by the stem, which looks like the tail of a scorpion.
On the other end is the bumpy, oily, fire-engine red fruit with a punch of heat nearly as potent as most pepper sprays used by police. It's hot enough to leave even the most seasoned spicy food aficionado crimson-faced, flushed with sweat, trying not to lose his lunch.
Last month, The Guinness Book of World Records decided Currie's peppers were the hottest on Earth, ending a more than four-year drive to prove no one grows a more scorching chili. The heat of Currie's peppers was certified by students at Winthrop University who test food as part of their undergraduate classes.
But whether Currie's peppers are truly the world's hottest is a question that one scientist said can never be known. The heat of a pepper depends not just on the plant's genetics, but also where it is grown, said Paul Bosland, director of the Chile Pepper Institute at New Mexico State University. And the heat of a pepper is more about being macho than seasoning.
"You have to think of chili heat like salt. A little bit improves the flavor, but a lot ruins it," Bosland said.
Some ask Currie if the record should be given to the single hottest pepper tested instead of the mean taken over a whole batch. After all, Usain Bolt isn't considered the world's fastest man because of his average time over several races.
But Currie shakes off those questions.
"What's the sense in calling something a record if it can't be replicated? People want to be able to say they ate the world's hottest pepper," Currie said.
The record is for the hottest batch of Currie's peppers that was tested, code name HP22B for "Higher Power, Pot No. 22, Plant B." Currie said he has peppers from other pots and other plants that have comparable heat.
The science of hot peppers centers around chemicals compounds called capsaicinoids. The higher concentration the hotter the pepper, said Cliff Calloway, the Winthrop University professor whose students tested Currie's peppers.
The heat of a pepper is measured in Scoville Heat Units. Zero is bland, and a regular jalapeno pepper registers around 5,000 on the Scoville scale. Currie's world record batch of Carolina Reapers comes in at 1,569,300 Scoville Heat Units, with an individual pepper measured at 2.2 million. Pepper spray weighs in at about 2 million Scoville Units.
Pharmacist Wilbur Scoville devised the scale 100 years ago, taking a solution of sugar and water to dilute an extract made from the pepper. A scientist would then taste the solution and dilute it again and against until the heat was no longer detected. So the rating depended on a scientist's tongue, a technique that Calloway is glad is no longer necessary.
"I haven't tried Ed's peppers. I am afraid to," Calloway said. "I bite into a jalapeno — that's too hot for me."
Now, scientists separate the capsaicinoids from the rest of the peppers and use liquid chromatography to detect the exact amount of the compounds. A formula then converts the readings into Scoville's old scale.
The world record is nice, but it's just part of Currie's grand plan. He's been interested in peppers all his life, the hotter the better. Ever since he got the taste of a sweet hot pepper from the Caribbean a decade ago, he has been determined to breed the hottest pepper he can. He is also determined to build his company, PuckerButt Pepper Company, into something that will let the 50-year-old entrepreneur retire before his young kids grow up.
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