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| Extraction of coconut endocarp oil by complex enzyme |
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| DOI： |
| KeyWord:coconut endocarp oil complex enzyme quality analysis |
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| Abstract: |
| Complex enzyme process was used to extract coconut endocarp oil, and the effects of pretreatment of coconut endocarp cream, composition of complex enzyme, enzymolysis temperature and enzymolysis time on the oil extraction rate and quality of coconut endocarp oil were studied. The results showed that the optimal extraction conditions of coconut endocarp oil were obtained as follows: coconut endocarp cream boiled at 100?℃ for 2 h, adding 20% of water, adding 0.1% of papain, 0.1% of cellulose and 0.2% of pectinase (all based on the mass of coconut endocarp cream), enzymolysis time 15 h, and enzymolysis temperature 50?℃. Under the optimal conditions, the oil extraction rate was 16.8%, and the quality of obtained coconut endocarp oil was good. The acid value and total polyphenol content of obtained coconut endocarp oil were 2.19 mgKOH/g and 0.49 mg/mL respectively, and its physicochemical indexes improved significantly than dry process coconut endocarp oil saled in the market. |
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