Practical Handbook of Soybean Processing and Utilization ...
The soybean seed consists of three major parts: the seed coat, or hull, cotyledons; and germ, or hypocotyl. The seed coat contains the hilum, which is the point of attachment to the pod. The neutral lipid composition of soybean oil is composed primarily of triglycerides, or triacylglycerols, with varying fatty acids as part of their structure.