Flaxseed, also known as linseed, has been cultivated worldwide as both a functional food and a source of fiber products (Kasote, Badhe, & Hegde, 2013). The Latin name of the flaxseed, Linum usitatissimum, also suggests flaxseeds' wide variety of usages: it literally means "very useful" (Goyal, Sharma, Upadhyay, Gill, & Sihag, 2014). Some major cultivators of flaxseed around the world are Canada, China, the USA, and India (Rubilar, Gutiérrez, Verdugo, Shene, & Sineiro, 2010). In recent years, China has kept a steady annual production of flaxseeds (380-400 thousand tons per year), only topped by Canada, who produces most flaxseeds annually worldwide. The main flaxseed-producing areas in China are distributed in the north and northwest of China. Statistics show that cultivation area and production of flaxseeds have recently increased in China. The provinces with the most production are, in order,