Rayners essentials crude black strap molasses 3180gmolasses is a natural by product of sugar cane refining sugar cane is crushed and white sugar pure sucrose is extracted from the resulting juice the nutrients remain in the juice and it is this residue that is classed as molasses blackstrap molasses or ldquothird extractionrdquo is the most nutritionally important of all molasses it is comes from the final residue from the whole process ndash and therefore the lowest in sugar and