# Microalgae as Potential Sources of Bioactive Compounds for Functional Foods and Pharmaceuticals
## 3 Results and Discussion
### Chemical Characterization of Promising Microalgal Extracts' Fractions
\begin{table}
\begin{tabular}{c c c c c} \hline \hline  & \multicolumn{4}{c}{**Relative Abundance (\%)**} \\ \hline
**Compounds** & \begin{tabular}{c} _Porphylrium_ **sp.** \\ **(POC ET)** \\ **-Hexane Fraction** \\ \end{tabular} & \begin{tabular}{c} _Skeletona_ \\ **sp. (SKE ET)** \\ **-Hexane Fraction** \\ \end{tabular} & \
\begin{tabular}{c} _Phaeodactylum_ \\ **tricontum** \\ **(PHA ET)** \\ **-Dichloromethane** \\ **Fraction** \\ \end{tabular} &
\begin{tabular}{c} _Tetraselmis striata_ \\ **CTP4 (TCTP4)** \\ **-Dichloromethane** \\ **Fraction** \\ \end{tabular} \\ \hline Phytol & 0.59 & & 1.52 \\ \hline
2-Octene-2-ol, & 0.31 & & \\
2-methoxy & 0.15 & & \\ \hline
9,12-Octadecadieol & 0.15 & & \\ \hline
1-Tetradecanol, & 0.10 & & \\
14-chloro & & & \\ \hline
3-[2-pentenyl]-4- methyl- tetrahydrofuran-2-one & 0.11 & & 0.48 \\ \hline Octadecane & & 1.3 & \\ \hline Tetratetracontane & & 0.92 & \\ \hline Nonadecane & 0.86 & & \\ \hline
9,12-Octadecadien chloride, (Z,Z) & 0.16 & & \\ \hline
9-Eicosyne & 0.79 & & 1.51 \\ \hline
2-hydroxy-2-methylbutane-1,4-dioic acid & 1.00 & & \\ \hline Tetrabdropryanyl & & 10.60 & 1.6 & 2.96 \\ ether of citronellol & & 3.07 & \\ \hline
2-Pentadecanone, & & 3.07 & \\
6,10,14-trimethyl & & & \\ \hline trans-13-Octadecenoic acid & 3.21 & & \\ \hline Methyl (11R,12R,13S)- (Z)-12,13-epoxy-11-ol- & & & \\
9-octadecenoic acid & & & \\ \hline
8-Octadecenoic acid & 1.90 & & \\ \hline
15-Tetracosenoic acid, & & 0.82 & \\ \hline
9-Hexadecenoic acid & & 19.6 & 1.61 \\ \hline n-Hexadecanoic acid & & 17.4 & \\ \hline
10-Octadecenoic acid & & 0.58 & \\ \hline
10-Undecenoic acid & & 1.15 & \\ \hline \hline \end{tabular}
\end{table} 
Table 8: _Cont._ \begin{table}
\begin{tabular}{c c c c c} \hline \hline  & & & & \\ \hline \multirow{4}{*}{**Compounds**} & _Porphyridium_ sp. & _Skeletonema_ & _Phaeodactylum_ & _Tetraselmis striata_ \\  & **(POC ET)** & **sp. (SKE ET)** & **(PHA ET)** & **(PHA ET)** & **CTP4 (TCTP4)** \\  & **-Hexane Fraction** & **-Hexane Fraction** & **-Dichloromethane** & **-Hexane Fraction** \\ \hline hexadecenic acid & & & & 0.59 \\ \hline
9-Hexadecenoic acid, & & & & \\ (Z) & 3.48 & 2.47 & & \\ \hline
11-Octadecenoic acid & 2.04 & & 5.85 & & \\ \hline
9-Octadecenoic acid (Z) & 0.88 & & 1.45 & \\ \hline
13- & & & & \\ Methylletradecanoic acid & 0.33 & & & \\ \hline
9-eicosenoic acid & 0.24 & & & 1.18 \\ \hline
2,4-bis(1,1- & & & & \\ dimethylethyl) & & & & \\ Phenol/2,4-Di- & & & 0.35 & \\ terbutylphenol & & & & \\ \hline Phosphoric acid, & & & & \\ monododecyl ester & & & & \\ \hline
5,8,11,14,17- & & & & \\ Eicosapentaenoic & & 2.89 & 16.7 & 0.37 \\ acid (EPA) & & & & \\ \hline
7,10-Hexadecenic & & & & \\ acid & & & & \\ \hline
6,9,12,15- & & & & \\ octadecetetraenoate & & & & \\ (Stearidonic acid) & & & & \\ \hline Octadecatrienoic acid & & & & \\ \hline
9,12-Hexadecenic & & & & \\ acid & & & & \\ \hline Heneicosapentaenoic & & & & \\ Acid & & & & \\ \hline Arachidonic acid & & & & \\ \hline
9,12-Octadecenic acid (Z,Z) & 7.22 & 6.12 & & \\ \hline
11,13-Eicosadiene & & & & \\ acid & & & & \\ \hline cis-11,14-Eicosadiene & & & & \\ acid & & & & \\ \hline
8,11,14-Eicosatrienoic acid, (Z,Z,Z) & 0.87 & & 0.3 & \\ \hline
4,7,10,13,16,19- & & & & \\ Docosahexaenoicenoic acid & 0.66 & & & 0.67 \\ \hline
6,9,12- & & & & \\ Hexadecatrienoic acid & 0.36 & 4.82 & 1.98 & 13.24 \\ \hline \(\gamma\)-Linolenic acid & 0.29 & & 7.2 & 3.4 \\ \hline \hline \end{tabular}
\end{table} 
Table 8: _Cont._  
\begin{table}
\begin{tabular}{c c c c c} \hline \multicolumn{5}{c}{**Relative Abundance (\%)**} \\ \hline \multirow{3}{*}{**Compounds**} & _Porphyridium_ sp. & _Skeletonema_ & _Phaeodactyllum_ & _Tetraselmis striata_ \\  & **(POC ET)** & **sp.