1. Department of Chemical and Pharmaceutical Engineering, Faculty of Chemistry and PharmacySofia University Sofia 1164 Bulgaria
2. KLK OLEO, KL‐Kepong Oleomas Sdn Bhd, Menara KLK, Jalan PJU 7/6, Mutiara Damansara Petaling Jaya 47810 Selangor Dalur Ehsan Malaysia