2. Materials and methods
2.1.Sample
Tea seed oil pressed-cake was obtained from the Tea Oil and
Plant Oils Development Center, ChiangRai, Thailand. Sachainchi
pressed-cake was obtained from Thai Rubber Land and Plantation
Co., Ltd.,Chiang Rai,Thailand(the sample swere collected during
March 2014 by the center and company,respectively).The samples
were collecte dan dair-driedat60 °C overnight.They were then
ground and sieved,and keptat −20 °C until used for analyses.