| dc.description.abstract | Avocado production is quite high in Indonesia led to increased waste avocado
seed. Avocado seeds have an oil content large enough to potentially be used as
source of vegetable oil. A commonly used solvent for the extraction process is
hexane. However, hexane proved to have an alarming danger if it is used for the
extraction of food ingredients, necessitating alternative solvents such as n heptane. This study was conducted to evaluate the effect of variable research on
avocado seed oil extraction using n-heptane. The method used in this study is
Response Surface Methodology-Central Composite Design (RSM-CCD) by
varying the time of extraction, avocado seed mass and volume of the solvent n heptane. ANOVA with 95% confidence level (p <0.05) showed that the variables
have a significant influence on the yield of avocado seed oil produced by the
value of R2 = 94.24%. Characteristics of avocado seed oil is an orange color,
density amounted to 0.71 g/ml, viscosity amounted to 0.43 cP, and FFA amounted
to 2.76%. Analysis of fatty acid composition of avocado seed oil showed fatty
acid component is predominantly polyunsaturated fatty acids as linoleic acid of
47.3531% (w/w), saturated fatty acids such as palmitic acid amounted to
20.3439% (w/w), and monounsaturated fatty acids as oleic acid amounted to
15.8823% (w/w). | en_US |
