Curcuma longa (also known as turmeric) is a plant that is native to southern Asia, where it is widely cultivated. Turmeric is known as besar in Nepali. It is one of the major spice ingredients in all Nepalese households and thus plays a significant role in Nepali culinary culture.
Being one of the most essential spices, there is a good demand of turmeric in domestic market. Its demand is also increasing worldwide with an increased awareness on its beneficial uses and the development of new products. According to ITC (2010), the trade of turmeric has increased significantly worldwide. As illustrated in Figure 5, the worldwide export quantity of turmeric in 2001 was 39,478 MT, which increased to 138,384 tonnes in 2010.