Scoville scale more, depending on seed lineage, climate and humidity, and soil composition supplying nutrients. The inaccuracies described in the measurement methods also contribute to the imprecision of these values. "Capsicum" chili peppers are commonly used to add pungency in cuisines worldwide. The range of pepper heat reflected by a Scoville score is from 100 or less (sweet peppers) to over 3 million (Pepper X) (table below; Scoville scales for individual chili peppers are in the respective linked article). The class of compounds causing pungency in plants like chili peppers is called capsaicinoids, which display a linear correlation between concentration and Scoville
Jonathan Scoville Jonathan Scoville Jonathan Scoville (July 14, 1830 – March 4, 1891) was a U.S. Representative from New York. Born in Salisbury, Connecticut, Scoville attended various educational institutions in Massachusetts, including the scientific department of Harvard University. He engaged in business in Canaan, Connecticut, in 1854 as an iron manufacturer and mine owner. He moved to Buffalo, New York, in 1860 and established a car-wheel foundry, and the next year established another in Toronto, Ontario, Canada. Scoville was elected as a Democrat to the Forty-sixth Congress to fill the vacancy caused by the resignation of Ray V. Pierce. He was reelected