Campesterol decision tree for virgin and extra virgin olive oils:
\begin{cases} 4.0\% < \mathrm{Campesterol} \le 4.5\% \\ \mathrm{Stigmasterol} \le 1.4\% \\ \Delta\text{-}7\text{-}\mathrm{stigmastenol} \le 0.3\% \end{cases}
The other parameters shall comply with the limits fixed in this Regulation.
Delta-7-stigmastenol decision tree for:
Extra virgin and virgin olive oils
\begin{cases} 0.5\% < \Delta\text{-}7\text{-}stigmastenol \le 0.8\% \\ \text{Campesterol} \le 3.3\% \\ \text{App. } \beta\text{-sitosterol}/(\text{campest} + \Delta 7\text{stig}) \ge 25 \\ \text{Stigmasterol} \le 1.4\% \\ \Delta\text{ECN}42 \le |0.10| \end{cases}
The other parameters shall comply with the limits fixed in this Regulation.
Lampante olive oils
\begin{cases} 0.5\% < \Delta\text{-}7\text{-}stigmastenol \le 0.8\% \\ \text{Campesterol} \le 3.3\% \\ \text{App. } \beta\text{-sitosterol}/(\text{campest} + \Delta 7\text{stig}) \ge 25 \\ \text{Stigmasterol} \le 1.4\% \\ \Delta\text{ECN}42 \le |0.10| \end{cases}
The other parameters shall comply with the limits fixed in this Regulation.
Refined olive oils and olive oils composed of refined olive oils and virgin olive oils
\\begin{aligned}\n0.5\\% & < \\Delta\\text{-7-stigmastenol} \\le 0.8\\% \\\\\n\\text{Apparent } &\\beta\\text{-sitosterol}/(\\text{campesterol} + \\Delta\\text{-7-stigmastenol}) \\ge 24 \\quad \\text{and} \\quad \\Delta\\text{ECN42} \\le |0.15|\n\\end{aligned}
The other parameters shall comply with the limits fixed in this Regulation.
Crude olive-pomace oil, refined olive-pomace oil and olive-pomace oil
\begin{cases} \Delta\text{-7-stigmastenol} \in (0.5\%, 0.7\%] \text{ and } \Delta\text{ECN}42 \le |0.40| \\ \Delta\text{-7-stigmastenol} \in (0.5\%, 0.7\%] \text{ and } \text{Stigmasterol} \le 1.4\% \end{cases}
The other parameters shall comply with the limits fixed in this Regulation.