What are the characteristics of olive oil?

The characteristics of olive oil are as follows:

Color

Olive oil ranges from light green to light yellow in color. Although color is not a quality index, green olive oil often gets customer attention.

The olive oil color is determined by phyto-pigments (pigments found in plants), such as chlorophyll (green), lutein (yellow), and beta-carotene (orange).

Aroma

Small-sized (Molecular size <300 Da) volatile compounds of various chemical functionality, such as aldehydes, ketones, hydrocarbons, alcohols, esters, etc., are responsible for the aroma of olive oil.

High-quality olive oils smell fruity, green, or grassy, reminding unripe olives and olive leaves. A clean, pleasant aroma is a key sign of freshness and proper processing of the olive oil.

Bitterness

Bitter sensation at the V-of tongue is a natural and desirable characteristic of high-quality extra virgin olive oil. It comes from healthy olives that are harvested early and are rich in natural antioxidants called polyphenols or phenolic compounds.

Phenolic compounds, oleuropein and oleacein in particular, are responsible for the bitterness of olive oil. A bitter taste is indicative of freshness and good processing, not a defect.

In fact, bitterness is often associated with greater health benefits offered by olive oil.

Spiciness/ Pungency

Spiciness or pungency is the peppery sensation felt at the back of the throat when tasting olive oil. It is caused by antioxidant compounds, such as oleocanthal, which are responsible for many health benefits of olive oil.

A balanced spiciness is a positive sign of freshness and high-quality olives.

A gentle cough or throat tickle is often the mark of a truly premium olive oil.