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Polyunsaturated Fat

Fatty Acid Unit: g

Includes essential omega-3 and omega-6 fatty acids. Found in fish, nuts, and seeds.

No established daily requirement for this nutrient.

Top Foods Highest in Polyunsaturated Fat

Amount per 100g serving. Values in g per 100g.

Foods Highest in Polyunsaturated Fat (Table)

#FoodPer 100gGroup
1Oil, safflower, salad or cooking, linoleic, (over 70%)74.6 gFats and Oils
2Oil, grapeseed69.9 gFats and Oils
3Oil, flaxseed, cold pressed68.9 gFats and Oils
4Oil, sunflower, linoleic, (approx. 65%)65.7 gFats and Oils
5Oil, flaxseed, contains added sliced flaxseed64.9 gFats and Oils
6Oil, walnut63.3 gFats and Oils
7Oil, poppyseed62.4 gFats and Oils
8Oil, wheat germ61.7 gFats and Oils
9Oil, industrial, soy, low linolenic58.9 gFats and Oils
10Oil, industrial, soy, refined, for woks and light frying58.2 gFats and Oils
11Oil, soybean, salad or cooking57.6 gFats and Oils
12Oil, vegetable, soybean, refined57.3 gFats and Oils
13Salad dressing, mayonnaise, soybean and safflower oil, with 55.0 gFats and Oils
14Oil, cooking and salad, ENOVA, 80% diglycerides53.4 gFats and Oils
15Oil, tomatoseed53.1 gFats and Oils
16Oil, corn, industrial and retail, all purpose salad or cooki52.9 gFats and Oils
17Oil, industrial, soy, ultra low linolenic52.1 gFats and Oils
18Oil, cottonseed, salad or cooking51.9 gFats and Oils
19Nuts, walnuts, english49.3 gNut and Seed Products
20Oil, soybean, salad or cooking, (partially hydrogenated) and48.1 gFats and Oils

Health Effects of Polyunsaturated Fat

Function

Polyunsaturated fats include both omega-3 and omega-6 essential fatty acids. They are critical for cell membrane fluidity, brain function, inflammation regulation, and cardiovascular health.

Deficiency Signs

PUFA deficiency (specifically essential fatty acids LA and ALA) causes dry scaly skin, poor growth, impaired wound healing, and increased susceptibility to infections.

Excess / Toxicity

Very high PUFA intake (particularly omega-6 without balancing omega-3) may increase oxidative stress. PUFAs are more susceptible to lipid peroxidation than saturated or monounsaturated fats.

Absorption & Interactions

How It’s Absorbed

Absorbed like other fats. PUFAs are more susceptible to oxidation during processing and cooking; gentle cooking methods better preserve their integrity.

Key Interactions
Vitamin E Enhancer
Vitamin E protects PUFAs from peroxidation in cell membranes; PUFA intake increases vitamin E requirements

Frequently Asked Questions

How much Polyunsaturated Fat do I need per day?

There is no established daily requirement for Polyunsaturated Fat.

Which food has the most Polyunsaturated Fat?

The food highest in Polyunsaturated Fat is Oil, safflower, salad or cooking, linoleic, (over 70%) with 74.6 g per 100g.

What does Polyunsaturated Fat do in the body?

Includes essential omega-3 and omega-6 fatty acids. Found in fish, nuts, and seeds.