Page 34 - HPIC E-Magazine (January-2021)
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Special Article


        with this unique Hindu philosophy,                              Table 3
        the Indian soap industry does not       Merits & demerits of palm based soap v/s animal tallow soaps
        use animal fat for soap manufacture.   Parameters      Palm based (RBD)   non-edible animal tallow
        However due to the inherent short-
        age of edible oils, it has carried out   Detergency    Good               Less
        significant research in the produc-  Solubility        Good               Less Soluble
        tion, purification, pre-treatment and
        use of different varieties of locally   Foaming        Fair               Less
        available non-edible varieties of oils   Hardness                         Very hard & crumbling Hard
        like rice barn oil, castor oil, neem
        oil, mowrah oil, karanjia oil, etc., as   Suitability for
        replacement of animal fat.          • White toilet soap   Less suitable   More suitable
                                            • Coloured soap    Fair               Good
           The similarity in the fatty acid
        composition of tallow and palm oil   Stability for
        has  made  it  technically  possible  to   • Colour    Fair               Good
        replace one with the other. The same
        is the case between coconut oil and   • Fragrance      Fair               Fair
        palm kernel oil. Due to this reason   Glossiness       Fair               Less
        and also because of their ready avail-
        ability palm oil, palm kernel oil, palm   Texture      Hard but smooth    Less smooth
        stearin, and their products are very  palm stearin with optimal portions of  quality palm based soap made out of
        popular now with soap manufactur-  other soft and lauric oils, a high qua-  neutral fats or oils has a sharp clean
        ers. The quality of soaps made from  lity soap can be produced that is com-  odour. Soaps made from palm fatty
        palm products is very high and com-  parable to that obtained from tallow.  acids have a sharp fatty odour. The
        parable to that of commercial tallow                                odour of the soaps made can increase
        based soaps. Soaps made out of palm  Role of fragrances             on ageing. This incremental change
        stearin is hard; however by blending   Generally, freshly produced good  has to be masked by use of a suit-
                                                       Table 4
                                      Typical physical properties of individual soap
         Fats & oils     Colour of soap   Consistency of soap Foaming          Cleansing     Action on skin
                                                             qualities         Qualities
         Coconut oil     White to pale    Very hard          Quick but not     Excellent     Biting
                         yellow                              lasting lather
         Palm kernel     White to yellow  Very hard          Quick but not     Excellent     Biting
                                                             lasting lather
         Tallow          Buff to white    Fairly hard        Slow but lasting  Fair          No action
         Palm stearin    White to cream   Hard and crumbling  Fair             Fair          No action
         (RBD)
         Palm oil (RBD)  White to cream   Fairly hard and    Fair & quick      Very good     No action
                                          crumbling
         Castor oil      Straw colour     Hard and tough     Quick breakdown   Fair
         Ground nut      Buff to white    Medium soft        Quick & medium    Good          No action
                                                             lasting
         Rosin           Brown soft and   Thin and greasy    Medium            No action
                         sticky
         Mowrah          Creamish yellow  Hard               Fair & quick      Good          No action
         Rice bran       Greenish yellow  Soft               Thin              Fair          No action

        34                                            Home, Personal & Institutional Care India  January 2021
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