Extraction of astaxanthin from fermented Acetes using virgin coconut oil with the glass beads vortex method Dwi Fitriani, Winda Rahmalia, Puji Ardiningsih, Thamrin Usman, Siti Nani Nurbaeti and Dwi Imam Prayitno OCL, 30 (2023) 4 Published online: 02 March 2023 DOI: 10.1051/ocl/2023002