ane ▁w ax . ▁ ▁Mol ass es ▁is ▁produced ▁in ▁two ▁forms : ▁Black strap , ▁which ▁has ▁a ▁characteristic ▁strong ▁flav or , ▁and ▁a ▁pur er ▁mol ass es ▁sy rup . ▁Black strap ▁mol ass es ▁is ▁sold ▁as ▁a ▁food ▁and ▁di et ary ▁supp lement . ▁It ▁is ▁also ▁a ▁common ▁ing red ient ▁in ▁animal ▁feed , ▁is ▁used ▁to ▁produce ▁eth an ol ▁and ▁rum , ▁and ▁in ▁the ▁manufact uring ▁of ▁cit ric ▁acid . ▁P urer ▁mol ass es ▁sy ru ps ▁are ▁sold ▁as ▁mol ass es , ▁and ▁may ▁also ▁be ▁bl ended ▁with ▁map le ▁sy rup , ▁invert ▁sug ars , ▁or ▁corn ▁sy rup . ▁Both ▁forms ▁of ▁mol ass es ▁are ▁used ▁in ▁b aking . ▁ ▁Ref ining ▁▁ ▁Sug ar ▁ref ining ▁further ▁pur ifies ▁the ▁raw ▁sugar . ▁It ▁is ▁first ▁mixed ▁with ▁heavy ▁sy rup ▁and ▁then ▁cent rif ug ed ▁in ▁a ▁process ▁called ▁" aff ination ". ▁Its ▁purpose ▁is ▁to ▁was h ▁away ▁the ▁sugar ▁cry st als ' ▁outer ▁co ating , ▁which ▁is ▁less ▁pure ▁than ▁the ▁cry stal ▁interior . ▁The ▁remaining ▁sugar ▁is ▁then ▁dissol ved ▁to ▁make ▁a ▁sy rup , ▁about ▁ 6 0 % ▁sol ids ▁by ▁weight . ▁ ▁The ▁sugar ▁solution ▁is ▁clar ified ▁by ▁the ▁addition ▁of ▁ph osph or ic ▁acid ▁and ▁calci um ▁hydro x ide , ▁which ▁combine ▁to ▁precip itate ▁calci um ▁ph osph ate .