1. Advanced Oleochemical Technology DivisionMalaysian Palm Oil Board 43650 Bandar Baru Bangi Malaysia
2. School of Pharmaceutical SciencesUniversiti Sains Malaysia 11800 Pulau Pinang Malaysia
3. Department of Chemistry, College of ScienceUniversity of Alabama in Huntsville Huntsville AL 35899 USA
4. Department of Biosystems Engineering and Soil ScienceThe University of Tennessee Institute of Agriculture Knoxville TN 37996 USA