RESEARCH OF CHEMICAL COMPONENTS OF SOME SEAWEED SPECIES IN CON CO ISLAND – QUANG TRI PROVINCE
Keywords:lipid, fatty acid, trace element, heavy metal, seaweed in Con Co.
11 samples of 8 seaweed families were collected at Con Co – Quang Tri and determined of
the chemical compositions. The analysis results showed that these seaweed samples in Con Co
contain high content of trace elements and low content of heavy metals. Many samples have
good lipid quality to meet the requirements of safe food, as well as being good for the human
health (such as CC1, N9, N4, and N6 samples). Especially, some seaweed samples were found
to contain long-chain fatty acids with many double bonds presenting high bioactivity in their
lipid composition, such as C20: 4n-6 (AA) up to 22.35% (Hypnea flagelliformis Grev., sample
N6), C20: 5n-3 (EPA) 16.36 % (Grateloupia lithophila, sample N9), C22: 6n-3 (DHA) 1.07 %
(Hypnea esperi, sample N2), C22: 5n-3 (DPA) 1.82% (Liagora spl., samples N4).
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