naga jolokia is undoubtedly no.1 .far ahead of the
league..followed by red savina and trailing behind is jalapeno
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The Naga Jolokia pepper, it has a rating of 1,041,427 units on
the Scoville scale.
See the link I will place below.
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Naga Viper pepper [ capsicum chinense- Bhut Jolokia ] known as 'Nago Moricha' in Assam is rated as the hottest pepper at present with 1382118 -Scoville Heat units (SHU) on Feburary 25, 2011.