
Chile/Chili/Chilli peppers (Capsicum L. spp.) are known for
causing the sensation of heat or burning when consumed. The heat
sensation is incited by the type and the amount of a group of
capsaicinoids, the alkaloids found only in chile/chilli/chili pepper pods (Zewdie
and Bosland, 2001). The amount of capsaicinoids in a chile/chilli/chili
pepper pod is dependent on the genetic makeup of the plant and
the environment where it is grown (Harvell and Bosland, 1997;
Zewdie and Bosland, 2000). The capsaicinoids have evolved in
chile peppers as a defense mechanism against mammalian predators
(Tewksbury and Nabhan, 2001); nevertheless, this trait is an
important fruit quality attribute and one of the most important
reasons chile/chilli/chili peppers are consumed.
Chile/chilli/chili peppers were first introduced to Europe by Christopher
Columbus. Shortly after the voyage of Columbus, Portuguese
traders introduced chile/chilli/chili peppers along their trade routes in
Africa and Asia, including India (Andrews, 1999). By 1542, three
varieties of chile/chilli/chili peppers were recognized to be growing in
India (Purseglove, 1968). Today, numerous
landraces of chile/chilli/chili
pepper differing in shape, size, color, and heat level can be
found in India as farmers selected chile/chilli/chili
peppers to fit their needs.
The northeastern region of India claims that the chile/chilli/chili peppers
grown in this region are the hottest in the world.
Genetic
resources of chile/chilli/chili pepper landraces in northeastern India have
not been well documented, but a few names mentioned include
‘Naga Jolokia’, ‘Bhut Jolokia’, and ‘Bih Jolokia’.