1Citrus fruits and derived products-Determination of essenlial oils content (Reference method), ISO1955:1982.
2W. Clifford scott and M K Veldhuis, Rapid Estimation of Recoverable Oil in Citrus Juices by Bromate Titration. Journal of the AO A C,1966,49(3):628-633.
3AOAC International. Gaithersburg, MD, Method 968.20,939. 12 and 947. 13. Official methods of analysis. 1999. 16th edition,5th reversion.
4FMC Technologies, Inc; FMC Foodtech.citrus systems, Procedures for analysis of citrus products. 2005:118-135.