Abstract
The formulation of omega-3 emulsion using rubber (Hevea Brasiliensis) seed oil based on the best performance of the emulsion in terms of higher viscosity, smaller droplet size, lower moisture content and slightly acidic pH value supported by degree of creaming in varying the type and composition of emulsifier used. Rubber seed oil contains significant value of alpha-linolenic acid which plays an important role in maintaining human health. Therefore, formulation of rubber seed oil emulsion is important to become a new source of omega-3 emulsion instead of fish oil. Rubber seed oil was mixed with distilled water and nonionic emulsifier which were lecithin and span 80 by homogenizer. From the analysis conducted, the best formulation was the emulsion with 50% of distilled water, 6% of lecithin and 47% of rubber seed oil.
Highlights
Rubber tree or its scientific name Hevea Brasiliensis is a perennial plant from South America cultivated as an industrial crop after being introduced to Southeast Asia on 1876
Rubber seed oil (RSO) is a semi-dried substance [2] that is rich in polyunsaturated fatty acids of C18: 2 and C18:3, as it contributes 52% of its total fatty acid composition [3]
The stability of emulsion was studied through the degree of creaming for a period of 10 days by observing the volume of the oil as a dispersed phase
Summary
Rubber tree or its scientific name Hevea Brasiliensis is a perennial plant from South America cultivated as an industrial crop after being introduced to Southeast Asia on 1876. This tree produced rubber seeds that compose 43% of oil [1]. Malaysia has been a major rubber growing country as estimated by Malaysian Rubber Board (2011) where 1,022,780 hectares are used for rubber plantation in 2011. The production of rubber seeds by average in Malaysia is about 1 million metric ton per year. Rubber kernel contains 29.6% of fat and 11.4% of proteins per seed [5]. About 296,000 tones fats and 114,000 tones proteins are wasted each year
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