Abstract. Agricultural and plantation wastes, especially cocoa plants, have not been widely
used, although in some conditions they have potential as animal feed ingredients and raw
materials for composting. So needs a program potential utilization of waste produced by the
plant cocoa is cocoa shell waste such as being liquid smoke. Liquid smoke is a natural food
preservative. One of the advantages of liquid smoke is antioxidant compounds. This study
aims to know the antioxidant activity of cocoa shell liquid smoke on a variety of different
water content. This research is an experimental quantitative descriptive method so that an
analysis of the antioxidant activity of liquid smoke from cocoa shell obtained. The results
showed that the liquid smoke of cocoa shell at a moisture content of 25%, 20%, 15%, and
10% had strong antioxidant activity because the IC 50 values obtained were below 50 ppm.
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