期刊
HORTTECHNOLOGY
卷 22, 期 4, 页码 534-538出版社
AMER SOC HORTICULTURAL SCIENCE
DOI: 10.21273/HORTTECH.22.4.534
关键词
capsaicinoids; Capsicum chinense; HPLC; landrace; pungency; RAPD
类别
This study established the heat levels for several high-heat chile pepper (Capsicum chinense) varieties (Trinidad Moruga Scorpion, Bhut Jolokia, Trinidad Scorpion, Douglah Trinidad Chocolate, and Trinidad 7-pot Jonah) to determine which variety has the highest average measured heat level and the relatedness of the chile peppers using molecular analysis. In replicated trials with appropriate controls at Las Cruces, NM, results show two 'Trinidad Moruga Scorpion' chile pepper plants reached more than two million Scoville heat units (SHU). This is the first confirmation of chile pepper fruit measuring more than two million SHU. A large range of heat levels was observed among the field plots-further supporting strong environmental effects on chile pepper pungency. 'Trinidad Moruga Scorpion' was significantly hotter than 'Bhut Jolokia', but 'Trinidad 7-pot Jonah', 'Douglah Trinidad Chocolate', and 'Trinidad Scorpion' did not differ significantly from 'Bhut Jolokia'. Molecular analysis with randomly amplified polymorphic DNA (RAPD) markers confirmed that the accessions are genetically unique. 'Trinidad Moruga Scorpion' belongs to the species C. chinense and is not the same chile pepper as 'Bhut Jolokia'.
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