Pengaruh Temperatur dan Ukuran Biji terhadap Perolehan Minyak Kemiri pada Ekstraksi Biji Kemiri dengan Penekanan Mekanis

Candlenut is originally from Hawaii. This plant is then spread all over the countries, including Indonesia. In Indonesia, candlenut can grow fertile and become commodities in domestic and foreign. The part of this plant known well is the seed, used as the cooking ingredient. Furthermore, the seed of candlenut contains a large amount of oil, that is 50-60% from the mass of the seed. Candlenut is use in small scale as hair fertilizer, cosmetic, paint material, and varnish material. With further research, candlenut oil is expected to be applied in wider scope by people. However, before reaching that aim, it is necessary to know the method and condition for obtaining candlenut oil, with maximum amount and good quality. The aim of this research is to figure out the influence of temperature and size of candlenut seed which can produce maximum yield and good quality of oil with mechanical pressing method. The benefit of this research is to give inputs and information about temperature and the size of the seed that influence the oil extraction from candlenut seed, which can increase the use of candlenut as natural resource and support the other industries. The method of this research consists of three parts, that is early treatment, preface experiment, and main experiment. The variation is feed baking temperature (30, 60, 90 oC) and the size of candlenut seed (whole and powder). The tool used in mechanical pressing is hydraulic press machine with certain pressure. The experimental design used in this research is factorial design with two factors to determine the optimum temperature and size of the candlenut seed. Kata kunci: candlenut; mechanical; pressure; temperature; size