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Olive Oil

Summary

What it is

Common uses

Public Perception

Anxiety level

Cultural claims

Source sentiment

History

Timeline

Origin

Science

Key findings

Studies

Safety status

Nuance

Alternatives

Swaps

Avoidance tips

References

Fact-checked by Lucent 3 months ago

Olive Oil

ingredientCommodities

Total Sources: 50

Verified Claims: 39

Scientific Sources: 22

Also known as: Olea europaea

Summary

Olive oil is a fat obtained from olives, the fruit of the olive tree, and is a staple in the Mediterranean diet [14], [30]. It's recognized for its purported health benefits and culinary versatility [1], [32].

What it is

Olive oil is a vegetable oil extracted from olives, containing phenolic compounds like hydroxytyrosol [1], [2]. Different types exist, including extra virgin, virgin, and refined, each with varying qualities and uses [8], [18].

Common uses

Cooking [32]
Salad dressings [27]
Skincare [16], [27]
Traditional medicine [31]

Public Perception

Anxiety level

Low to moderate, primarily related to concerns about quality, adulteration, and potential health risks from oxidized oil [13], [36].

Cultural claims

Associated with the Mediterranean diet and its health benefits [5], [14]
Symbol of peace and prosperity in ancient cultures [31], [32]

Source sentiment

Generally positive, emphasizing health benefits and culinary uses [5], [22], [32]. Some sources express concern about adulteration and mislabeling [33], [36].

History

Timeline

-4000

Olive cultivation begins in the Middle East [32].

-2500

The Code of Hammurabi regulates olive oil trade [32].

Olive oil production spreads throughout the Roman Empire [31].

1939

FDA begins establishing Standards of Identity for food, but not initially for olive oil [17].

2023

Olive oil raids in Europe uncover large-scale food fraud [36], [37].

2022

The American Olive Oil Producers Association petitions the FDA to establish a standard of identity for olive oil [18].

Origin

Medicinal and ceremonial ointments, and as fuel for lamps [32].

First appeared: -4000

Science

Key findings

Consumption may reduce the risk of cardiovascular disease, type 2 diabetes, and all-cause mortality [5], [6].
Phenolic compounds, especially hydroxytyrosol, contribute to health benefits [1], [2].
May have anti-inflammatory and restorative effects when applied topically [7], [16].
Oxidized olive oil may disrupt lipid metabolism and induce intestinal and hepatic inflammation [13].

Studies

Olive juice dry extract containing hydroxytyrosol, as a nontoxic and safe substance: Results from pre-clinical studies and review of toxicological studies

Olive juice extract with 20% hydroxytyrosol was found to be non-mutagenic and safe in in vitro studies [1].

Effect of olive oil consumption on cardiovascular disease, cancer, type 2 diabetes, and all-cause mortality: A systematic review and meta-analysis

Olive oil consumption is associated with a reduced risk of cardiovascular disease, type 2 diabetes, and all-cause mortality [5].

The effects of the mediterranean diet supplemented with olive oils on pro-inflammatory biomarkers and soluble adhesion molecules: a systematic review and meta-analysis of randomized controlled trials

Mediterranean diet supplemented with olive oil may reduce pro-inflammatory biomarkers [7].

Dietary oxidized lipids in redox biology: Oxidized olive oil disrupts lipid metabolism and induces intestinal and hepatic inflammation in C57BL/6J mice

Oxidized olive oil can disrupt lipid metabolism and cause inflammation in mice [13].

Safety status

Generally recognized as safe for consumption and topical use [1], [3], [27]. However, oxidized olive oil may pose health risks [13], [29].

Nuance

The health benefits of olive oil are primarily associated with extra virgin olive oil due to its higher concentration of phenolic compounds and lower oxidation levels [8], [15], [22].