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Source: From Ozdemir et al. (2004).

Source: From Ozdemir et al. (2004).

Spirulina lipids have been contained saturated, monounsaturated, and polyunsaturated fatty acids. It also contained hydrocarbons (Heptadecane as the major hydrocarbon, along with a minor amount of heptadecene) and phytol.109

A study on the antimicrobial effect of fatty acids showed the antimicrobial effect of volatile components of S. platensis.65 Fifteen compounds from hydrodistillation for 4 h using a Clevenger-type apparatus were identified, constituting 96.45% of the total component. The components analyzed by GC and GC/MS are listed in Table 12.4. The major component was heptadecane (39.7%). Heptadecane has been reported to be a common major volatile component in many other cyanobacteria species.65 In the study, it measured the antimicrobial activity of volatile components against ten bacteria and a yeast (Table 12.5).

Especially, 0.015 ^g/disc volatile lipids had shown inhibitory activity against all test organisms. These results demonstrated that the activity could increase if the concentration gets higher.

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