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Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Shogaols are artifacts formed during storage or through excess heat, probably created by a dehydration reaction of the gingerols. The ratio of shogaols to gingerols sometimes is taken as an indication of product quality.
The name 'shogaol' is derived from the Japanese name for ginger (生姜、shōga).
Compound Scoville Heat Units
Capsaicin 15,000,000 (6)-Shogaol 160,000 Piperine 100,000 (6)-Gingerol 60,000
- McGee, Harold (2004). On Food and Cooking: The Science and Lore of the Kitchen (2nd ed.). New York: Scribner pp. 425-426.
- NSF International Determination of Gingerols and Shogaols in Zingiber officinale rhizome and powdered extract by High-Performance Liquid Chromatography.
- Ula (1996), op. cit. "The HPLC measures the capsaicinoid(s) in ppm, which can then be converted to Scoville units using a conversion factor of 15, 20 or 30 depending on the capsaicinoid." This would make capsaicin 15,000,000 SHU.