A review on trends in microencapsulation of bioactive compounds: coating materials, design, and applications by Saadi, Sami, Nacer, Nor Elhouda, Chenaker, Hichem, Ariffin, Abdul Azis, Ghazali, Hasanah Mohd, Saari, Nazamid, Mohammed, Abdulkarim Sabo, Anwar, Farooq, Hamid, Azizah Abdul