The weight of a 50L drum of cooking oil for the catering industry in daily life ranges from 93 to 96 pounds, and the density of cooking oil is lower than that of water, which is usually at about 0.91-0.92 g/mL.

Secondly, the aroma components of different types of cooking oils differ in both content and type. In terms of relative content, sunflower oil has the highest aroma content of 66.11%, peanut oil is 39.81%, olive oil is 34.49% and blended oil is 21.58%.