Calcium Silicate as a Media For Enhancement of Vitamin E Concentration from Candlenut Oil (Aleurites moluccana)

Firman Sebayang; Merais Pana Br  Surbakti

doi:10.32734/jcnar.v4i1.9357

Authors

Firman Sebayang Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara
Merais Pana Br Surbakti Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Sumatera Utara

DOI:

https://doi.org/10.32734/jcnar.v4i1.9357

Keywords:

Adsorbent, Antioxidant, Calcium Silicate, Candlenut Oil, Vitamin E

Abstract

Vitamin E consists of two parts, namely tocopherol and tocotrienol which are found as minor components in candlenut oil. The process of increasing vitamin E concentrate in candlenut oil aims to obtain higher vitamin E levels from candlenut oil through a major and minor component separation with adsorption and desorption methods with three types of calcium silicate hydrate adsorbent namely calcium silicate with 90% absolute ethanol (Ca-S 90), calcium silicate with 75% absolute ethanol (Ca-S 75) and calcium silicate synthesized from CaO (Ca-S). The three adsorbents were synthesized by hydrothermal method at 170ºC for 24 hours accompanied by stirring and characterized by XRD, SEM-EDX, and BET. Furthermore, the adsorbent was applied to enrich vitamin E concentrate in candlenut oil through the adsorption process using a glass column with a mass ratio between candlenut oil and adsorbent that was 1:1, then the vitamin E desorption process was carried out by adding n-hexane solvent. Vitamin E levels obtained after the adsorption and desorption process were for Ca-S 75 adsorbent was 764.41 ppm (1. 82 times enriched), for Ca-S 90 adsorbent was 1011.29 ppm (2. 40 times enriched) and for Ca-S adsorbent was 1029, 38 ppm (2.4 5 times enriched) from the initial vitamin E level in candle nut oil was 420.66 ppm. Ca-S adsorbent showed the best vitamin E enrichment.

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