This part of GB/T 14454 specifies the method for determining the optical rotation of spices. This section is applicable to the determination of the optical rotation of spices. When the spices to be measured are solid, semi-solid or highly viscous and dark in color at room temperature, use the spice solution for determination.
GB/T 14454.5-2008 Referenced Document
GB/T 14454.1 Fragrance/Flavor substances.Preparation of test samples
GB/T 14454.5-2008 history
2008GB/T 14454.5-2008 Fragrance/Flavor substances.Determination of optical rotation