Characteristics of Oil and Trimyristin Isolation of Papua Nutmeg Seeds

Artikel Pala Berita Perkebunan

ESTATE CROPS NEWS – Nutmeg oils produced by the distillation of nutmeg seed is one of Indonesia’s export commodities. In Fakfak Regency of Papua, nutmeg Myristica argentea type is well developed. The type of nutmeg is good oil producer, however its characteristics has not been known. Nutmeg seed (especially the mature one) also contain fats with triglyceride-trimyristin as main components, which is widely used in the cosmetics industry and oleo-chemical industry as a substitute of fatty food, as well as in industrial lubricants.

The trimyristin content of nutmeg fat is much higher than that of coconut oil, palm kernel oil and babassu oil.

This study aimed at examining the oil characteristics and trimyristin content of Papua nutmeg seed. The experiment was conducted from January to May 2010 in the Testing Laboratory of the Research Institute for Spices and Medicinal Plants in Bogor. Nutmeg seed which was used as research material, was taken directly from the 7 trees located in a certain nutmeg garden, at the area of the Air Besar District, Fakfak, Papua. Oil was distilled by steam distillation. The oil was then analyzed its physico-chemical characteristics (specific gravity, refractive index, optical rotation, solubility in ethanol, residue evaporation and chemical components). The main chemical components of nutmeg oil were analyzed using the gas chromatography method. Fat trimyristin isolated from the seeds (through organic solvents extraction) and the content was analyzed (gas chromatography method).

The results showed that the yield of Papua nutmeg oil is very low (3.11%). Its physico-chemical characteristics of the oil did not match the International Standards. It is also observed that Papua nutmeg contains trimyristin, with the average yield of 79.50%, and average purity level of 99.20%. Papua nutmeg, therefore, is a potential source of trimyristin, a product with high economic value.
Key words: Papua nutmeg, Myristica argentea, oil, fat, trimyristin.

Sumber : Jurnal Littri ICECRD Vol. 19 No. 2, 2013

Download Full Text : icecrd_Characteristics of Oil and Trimyristin Isolation of Papua Nutmeg Seeds; {.pdf 125 KB}

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