Research Progress in Characteristics and Applications of DHA in Microalga Oil and Fish Oil

doi:10.7506/spkx1002-6630-201321085

Abstract

Abstract:

Docosahexaenoic acid (DHA) belongs to ω-3 polyunsaturated fatty acid family and is beneficial for human health.
The main sources of DHA currently include fish oil and microalgal oil. In fish oil, DHA exists as ethyl ester form in microalgal
oil, and DHA exists as triglyceride form. DHA in triglyceride form is advantageous when compared with its ethyl ester form in
term of metabolic absorption efficiency, bioavailability, stability and safety in human body. Moreover, fish oil and microalgal
oil are also different in several aspects such as smell, EPA and cholesterol contents, and the contamination of heavy metals and
persistent organic pollutants. Therefore, the sustainable production and supply of DHA by microalgae will be the future trend in
food industry due to the limited availability of water and fish resources.

Key words: docosahexaenoic acid (DHA), fish oil, microalgal oil, safety, pollution

CLC Number:

TS221

CHEN Shu-xian1，ZHENG Xiao-hui2. Research Progress in Characteristics and Applications of DHA in Microalga Oil and Fish Oil[J]. FOOD SCIENCE, 2013, 34(21): 439-444.

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