Fatty acid ratio in food
Only two essential fatty acids are known to be essential for humans: alpha-linolenic acid (an omega-3 fatty acid) and linoleic acid (an omega-6 fatty acid).[1] The biological effects of the ω-3 and ω-6 fatty acids are mediated by their mutual interactions. Closely related, these fatty acids act as competing substrates for the same enzymes. The biological effects of the ω-3 and ω-6 fatty acids are largely mediated by essential fatty acid interactions. The proportion of omega-3 to omega-6 fatty acids in a diet may have metabolic consequences.[2] Unlike omega-3 fatty acids and omega-6 fatty acids, omega-9 fatty acids are not classed as essential fatty acids because they can be created by the human body from monounsaturated and saturated fatty acids, and are therefore not essential in the diet.
Omega-3 intake recommendations
The World Health Organization has made recommendations regarding omega-3 intake:
- ALA: 0.8 g to 1.1 g / day
- EPA + DHA: 0.3 g to 0.5 g / day
Ratio of omega-6 to omega-3 fats in the diets of hunter-gatherers
It has been claimed that among hunter-gatherer populations, omega-6 fats and omega-3 fats are typically consumed in roughly a 1:1 ratio.[3] At one extreme of the spectrum of hunter-gatherer diets, the Greenland Inuit, prior to the late Twentieth Century, consumed a diet in which omega-6s and omega-3s were consumed in a 1:2 ratio, thanks to a diet rich in cold-water fish (which are a rich source of omega-3s) and completely devoid of omega-6-rich seed oils.[4]
Optimal ratio of omega-6 to omega-3 fats
To date, "no one knows what the optimal ratio in the diet is for these two families of fats."[5] Science writer Susan Allport writes that the current ratio in Japan is associated with a very low incidence of heart and other diseases. A dietary ratio of 4:1 produces almost a 1:1 ratio of highly unsaturated fatty acids (HUFAs) in cell membranes."[5]
In a study with rats, a dietary ratio of 4:1 showed significant favorable effects on learning performance and pain tolerance.[6]
Andrew Stoll, M.D., Director of the Psycho-pharmacology Research Laboratory at Harvard's McLean Hospital, who advocates the consumption of the two fats in a 1:1 ratio, states, "Once in the body, omega-3 and omega-6 fatty acids follow parallel pathways, continually competing with each other for chemical conversion to various structures and molecules inside and outside the cells. Given this mechanism, it makes sense that the two fats might be required in approximately equal amounts."[7]
Both Stoll and Allport assert that present-day diets in the developed world have departed dramatically from this ratio. It has been estimated that in developed countries, the ratio of omega-6s to omega-3s is closer to 15:1[8] Another estimate is that "[t]he diet consumed by the typical American tends to contain 14–25 times more omega-6 fatty acids than omega-3 fatty acids."[9]
According to a 2009 review by the American Heart Association, instead of avoiding ω-6 fats, the ω-6:ω-3 ratio should be decreased by consuming more ω-3 fats. The conversion rate of linolenic acid (LA) into arachidonic acid is very low with a diet high in linolenic acid.[10]
The maximum ω-6:ω-3 ratio allowed in dog food by the AAFCO is 30:1.[11]
Fish
Food | Citation | Serving size (g) | Omega-6 fatty acids (mg) | Omega-3 fatty acids (mg) | Omega-6 : omega-3 ratio |
---|---|---|---|---|---|
Salmon, atlantic, wild, raw | [12] | 100 | 172 | 2018 | 1 : 11 |
Sardines, atlantic, canned in oil, drained | [13] | 1 can (92 g) |
3260 | 1362 | 2 : 1 |
Tuna, canned in water, drained | [14] | 1 can (165 g) |
14.8 | 460 | 1 : 31 |
Tuna, canned in oil, drained | [15] | 1 can (171 g) |
4588 | 345 | 13 : 1 |
Cod, fresh and frozen | 4 oz (113 g) |
100 | 600 | 1 : 6 | |
Mackerel, canned, drained | [16] | 1 can (361 g) |
357 | 4970 | 1 : 13 |
Swordfish, fresh and frozen, cooked | 4 oz (113 g) |
300 | 1700 | 1 : 5 | |
Crab, soft shell, cooked | 4 oz (113 g) |
100 | 600 | 1 : 6 | |
Lobster, cooked | 4 oz (113 g) |
6 | 120 | 1 : 20 | |
Bluefish, fresh and frozen, cooked | 4 oz (113 g) |
300 | 1700 | 1 : 5 | |
Salmon, canned, drained | 4 oz (113 g) |
200 | 2200 | 1 : 11 | |
Smelt, rainbow | 4 oz (113 g) |
200 | 500 | 1 : 2 | |
Scallops, Maine, fresh and frozen, cooked | 4 oz (113 g) |
100 | 500 | 1 : 5 | |
Pacific herring | [17] | 100 g | 246 | 2418 | 1 : 10 |
Nuts and seeds
Food | Citation | Serving size (g) | Omega-6 (mg) | Omega-3 (mg) | Omega-6 : omega-3 ratio |
---|---|---|---|---|---|
Almonds, dry roasted | [18] | 100 | 12065 | 6 | 2010.8 : 1 |
Cashews | [19] | 100 | 7782 | 62 | 125.5 : 1 |
Chia seeds | [20] | 100 | 5785 | 17552 | 1 : 3 |
Coconut, raw | [21] | 100 | 366 | - | - |
Flax seeds | [22] | 100 | 5911 | 22813 | 1 : 3.9 |
Hazelnuts, filberts | [23] | 100 | 7832 | 87 | 90 : 1 |
Hemp seeds, hulled | [24] | 100 | 27358 | 8684 | 3.2 : 1 |
Pecans | [25] | 100 | 20630 | 986 | 20.9 : 1 |
Pistachios, raw | [26] | 100 | 13200 | 254 | 52 : 1 |
Poppy seed | [27] | 100 | 28291 | 273 | 103.6 : 1 |
Pumpkin seeds, whole, roasted, without salt | [28] | 100 | 8759 | 77 | 113.8 : 1 |
Sesame seeds, whole, dried | [29] | 100 | 21372 | 376 | 56.8 : 1 |
Sunflower seeds, kernels, dried | [30] | 100 | 23048 | 74 | 311.5 : 1 |
Walnuts | [31] | 100 | 38093 | 9080 | 4.2 : 1 |
Sacha Inchi seeds | [32] | 1 oz (28 g) |
5486 | 4771 | 1.15 : 1 |
Lentils, mature seeds, cooked, boiled, without salt | [33] | 100 | 137 | 37 | 3.7 : 1 |
Oils
The nutritional values are expressed as percent (%) by mass of total fat. | |||||||||
Type | Processing treatment[36] | Saturated fatty acids | Monounsaturated fatty acids | Polyunsaturated fatty acids | Smoke point | ||||
---|---|---|---|---|---|---|---|---|---|
Total[34] | Oleic acid (ω-9) | Total[34] | α-Linolenic acid (ω-3) | Linoleic acid (ω-6) | ω-6:3 ratio | ||||
Avocado[37] | 11.6 | 70.6 | 52–66[38] | 13.5 | 1 | 12.5 | 12.5:1 | 250 °C (482 °F)[39] | |
Brazil nut[40] | 24.8 | 32.7 | 31.3 | 42.0 | 0.1 | 41.9 | 419:1 | 208 °C (406 °F)[41] | |
Canola[42] | 7.4 | 63.3 | 61.8 | 28.1 | 9.1 | 18.6 | 2:1 | 238 °C (460 °F)[41] | |
Coconut[43] | 82.5 | 6.3 | 6 | 1.7 | 175 °C (347 °F)[41] | ||||
Corn[44] | 12.9 | 27.6 | 27.3 | 54.7 | 1 | 58 | 58:1 | 232 °C (450 °F)[45] | |
Cottonseed[46] | 25.9 | 17.8 | 19 | 51.9 | 1 | 54 | 54:1 | 216 °C (420 °F)[45] | |
Flaxseed/linseed[47] | 9.0 | 18.4 | 18 | 67.8 | 53 | 13 | 0.2:1 | 107 °C (225 °F) | |
Grape seed | 10.5 | 14.3 | 14.3 | 74.7 | – | 74.7 | very high | 216 °C (421 °F)[48] | |
Hemp seed[49] | 7.0 | 9.0 | 9.0 | 82.0 | 22.0 | 54.0 | 2.5:1 | 166 °C (330 °F)[50] | |
Olive[51] | 13.8 | 73.0 | 71.3 | 10.5 | 0.7 | 9.8 | 14:1 | 193 °C (380 °F)[41] | |
Palm[52] | 49.3 | 37.0 | 40 | 9.3 | 0.2 | 9.1 | 45.5:1 | 235 °C (455 °F) | |
Peanut[53] | 16.2 | 57.1 | 55.4 | 19.9 | 0.318 | 19.6 | 61.6:1 | 232 °C (450 °F)[45] | |
Rice bran oil | 25 | 38.4 | 38.4 | 36.6 | 2.2 | 34.4[54] | 15.6 | 232 °C (450 °F)[55] | |
High-oleic safflower oil[56] | 7.5 | 75.2 | 75.2 | 12.8 | 0 | 12.8 | very high | 212 °C (414 °F)[41] | |
Sesame[57] | 14.2 | 39.7 | 39.3 | 41.7 | 0.3 | 41.3 | 138:1 | ||
Soybean[58] | partially hydrogenated | 14.9 | 43.0 | 42.5 | 37.6 | 2.6 | 34.9 | 13.4:1 | |
Soybean[59] | 15.6 | 22.8 | 22.6 | 57.7 | 7 | 51 | 7.3:1 | 238 °C (460 °F)[45] | |
Walnut oil[60] | unrefined | 9.1 | 22.8 | 22.2 | 63.3 | 10.4 | 52.9 | 5:1 | 160 °C (320 °F)[61] |
Sunflower[62] | 8.99 | 63.4 | 62.9 | 20.7 | 0.16 | 20.5 | 128:1 | 227 °C (440 °F)[45] | |
Cottonseed[63] | hydrogenated | 93.6 | 1.5 | 0.6 | 0.2 | 0.3 | 1.5:1 | ||
Palm[64] | hydrogenated | 88.2 | 5.7 | 0 |
Grains and beans
Food | Citation | Serving size (g) | Omega-6 (mg) | Omega-3 (mg) | Omega-6 : omega-3 ratio |
---|---|---|---|---|---|
Matpe (Vigna mungo bean), boiled | [65] | 100 | 24 | 335 | 1 : 14 |
Peanut, All types, raw | [66] | 100 | 15691 | 3 | 5320.3 : 1 |
Soybeans, dried, cooked | [67] | 100 | 4466 | 598 | 7.5 : 1 |
Tofu, regular | [68] | 100 | 2380 | 319 | 7.5 : 1 |
Nattō, regular | [69] | 100 | 5476 | 734 | 7.5 : 1 |
Chickpeas, mature seeds, cooked, boiled, without salt | [70] | 100 | 1113 | 43 | 25.9 : 1 |
Brown beans, boiled | [71] | 100 | 20 | 15 | 1.3:1 |
Pasta, whole wheat, boiled | [72] | 100 | 30 | 2 | 15:1 |
Green, leafy vegetables
Food | Citation | Serving size (g) | Omega-6 (mg) | Omega-3 (mg) | Omega-6 : omega-3 ratio |
---|---|---|---|---|---|
Arugula raw | [73] | 1 cup | 26 | 34 | 1 : 1.3 |
Green leaf lettuce, fresh, raw | [74] | 100 | 24 | 58 | 1 : 2.4 |
Red leaf lettuce, fresh, raw | [75] | 100 | - | - | - |
Boston lettuce or Bibb lettuce, fresh, raw | 1 cup | - | - | - | |
Brussels sprouts cooked | [76] | 100 | 79 | 173 | 1 : 2.2 |
Cabbage red, raw | [77] | 100 | 34 | 45 | 1 : 1.3 |
Chinese cabbage cooked, boiled, drained, without salt | [78] | 100 | 31 | 41 | 1 : 1.3 |
Chard, cooked, boiled, drained, without salt | [79] | 1 cup | 43.7 | 5.3 | 8.2 : 1 |
Sauerkraut, canned, low sodium | [80] | 100 | 26 | 25 | 1 : 1 |
Spinach, cooked, boiled, drained, without salt | [81] | 100 | 17 | 92 | 1 : 5.4 |
Turnip greens, cooked | [82] | 100 | 28 | 64 | 1 : 2.3 |
Dandelion greens, cooked | 1/2 cup | - | 0.1 | - | |
Kale, cooked | 1/2 cup | 0.1 | 0.1 | 1 : 1 | |
Kohlrabi raw | [83] | 1 cup | 27 | 35 | 1 : 1.7 |
Beet greens, cooked | [84] | 100 | 65 | 6 | 10.8 : 1 |
Collard greens, cooked, boiled, drained, without salt | [85] | 1 cup | 133 | 177 | 1 : 1.3 |
Mustard greens, cooked, boiled, drained, without salt | [86] | 100 | 24 | 22 | 1.1 : 1 |
Root vegetables
Food | Citation | Serving size (g) | Omega-6 (mg) | Omega-3 (mg) | Omega-6 : omega-3 ratio |
---|---|---|---|---|---|
Carrots, raw | [87] | 100 | 115 | 2 | 57.5 : 1 |
Beets, raw | [88] | 100 | 55 | 5 | 11 : 1 |
Parsley, raw | [89] | 100 | 115 | 8 | 14.4 : 1 |
Turnips, raw | [90] | 100 | 12 | 40 | 1 : 3.3 |
Pumpkins and squashes
Food | Citation | Serving size (g) | Omega-6 (mg) | Omega-3 (mg) | Omega-6 : omega-3 ratio |
---|---|---|---|---|---|
Butternut squash, Squash, winter, butternut, cooked, baked, without salt | [91] | 100 | 14 | 24 | 1 : 1.7 |
Zucchini, Squash, summer, zucchini, includes skin, raw | [92] | 100 | 14 | 24 | 1 : 1.7 |
Acorn squash, Squash, winter, acorn, cooked, baked, without salt | [93] | 100 | 22 | 37 | 1 : 1.7 |
Tomatoes, Tomatoes, red, ripe, raw | [94] | 100 | 80 | 3 | 26.7 : 1 |
Meat
Food | Citation | Serving size | Omega-6 (%) | Omega-3 (%) | Omega-6 : omega-3 ratio |
---|---|---|---|---|---|
Kangaroo, average of all cuts and species. Measured on raw cut weight. | % of total fat | 27.4 | 10.7 | 2.5 : 1 | |
Beef, Angus cattle, grass-fed | [95] | % of total fatty acids | 5.00 | 2.95 | 1.72 : 1 |
Beef, Angus cattle, grain-fed | [95] | % of total fatty acids | 8.05 | 0.86 | 10.38 : 1 |
See also
- Monounsaturated fat
- For listings of particular classes of polyunsaturated fatty acids, see:
- Polyunsaturated fatty acid
- Polyunsaturated fat
- Omega-3 fatty acid
- Omega-6 fatty acid
- Omega-9 fatty acid
- Conjugated linoleic acid
- Essential fatty acid – for biochemistry of most polyunsaturated fats
- Essential fatty acid interactions – for the interactions between ω-6 and ω-3 fatty acids
- Unsaturated fat
- Israeli paradox
References
- Whitney Ellie; Rolfes SR (2008). Understanding Nutrition (11th ed.). California: Thomson Wadsworth. p. 154.
- Bibus, Doug; Lands, Bill (April 18, 2015). "Balancing proportions of competing omega-3 and omega-6 highly unsaturated fatty acids (HUFA) in tissue lipids". Prostaglandins Leukot. Essent. Fatty Acids. 99: 19–23. doi:10.1016/j.plefa.2015.04.005. PMID 26002802.
- Andrew Stoll, The Omega-3 Connection. New York: Simon and Schuster, 2001, p. 43. "Populations maintaining historic omega-6 to omega-3 ratios (approximately 1 to 1) are protected from many of the scourges of the modern age."
- William Lands, Fish, Omega-3 and Human Health. Urbana, Illinois: APCS Press, 2005, p. 10.
- Susan Allport, The Queen of Fats: Why Omega-3 Fats Were Removed From the Western Diet and What We Can Do to Replace Them. Berkeley: University of California Press, 2007, p. 115.
- Yehuda, S.; Carasso, R. L. (1993-11-01). "Modulation of learning, pain thresholds, and thermoregulation in the rat by preparations of free purified alpha-linolenic and linoleic acids: determination of the optimal omega 3-to-omega 6 ratio". Proceedings of the National Academy of Sciences of the United States of America. 90 (21): 10345–10349. Bibcode:1993PNAS...9010345Y. doi:10.1073/pnas.90.21.10345. PMC 47771. PMID 7901853.
- Andrew Stoll, The Omega-3 Connection. New York: Simon and Schuster, 2001, p. 40.
- Simopoulos, AP (2002). "The importance of the ratio of omega-6/omega-3 essential fatty acids". Biomedicine & Pharmacotherapy. 56 (8): 365–79. doi:10.1016/S0753-3322(02)00253-6. PMID 12442909.
- http://umm.edu/health/medical/altmed/supplement/omega6-fatty-acids
- Harris, WS; Mozaffarian, D; Rimm, E; Kris-Etherton, P; Rudel, LL; Appel, LJ; Engler, MM; Engler, MB; Sacks, F (17 February 2009). "Omega-6 fatty acids and risk for cardiovascular disease: a science advisory from the American Heart Association Nutrition Subcommittee of the Council on Nutrition, Physical Activity, and Metabolism; Council on Cardiovascular Nursing; and Council on Epidemiology and Prevention". Circulation. 119 (6): 902–7. doi:10.1161/CIRCULATIONAHA.108.191627. PMID 19171857.
- "AAFCO methods for substantiating nutritional adequacy of dog and cat foods (proposed for 2014 publication)" (PDF). AAFCO. 2013.
- "Fish, salmon, Atlantic, wild, raw Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-12-12. Retrieved 2019-02-15.
- "Fish, sardine, Atlantic, canned in oil, drained solids with bone Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-07-03. Retrieved 2019-02-15.
- "Fish, tuna, light, canned in water, without salt, drained solids Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-07-07. Retrieved 2019-02-15.
- "Fish, tuna, light, canned in oil, without salt, drained solids Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-06-26. Retrieved 2019-02-15.
- "Fish, mackerel, jack, canned, drained solids". Self Nutrition Data, Condé Nast. Archived from the original on 2018-06-26. Retrieved 2019-02-15.
- "Fish, herring, Pacific, cooked, dry heat Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-06-12. Retrieved 2019-02-15.
- "Nuts, almonds [Includes USDA commodity food A256, A264] Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2019-01-14. Retrieved 2019-02-15.
- "Nuts, cashew nuts, raw Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-10-09. Retrieved 2019-02-15.
- "Seeds, chia seeds, dried Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2019-02-04. Retrieved 2019-02-15.
- "Nuts, coconut meat, raw Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2019-01-30. Retrieved 2019-02-15.
- "Seeds, flaxseed Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-12-30. Retrieved 2019-02-15.
- "uts, hazelnuts or filberts Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-07-10. Retrieved 2019-02-15.
- "Seeds, hemp seed, hulled". United States Department of Agriculture. Retrieved 2020-01-30.
- "Nuts, pecans Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-06-20. Retrieved 2019-02-15.
- "Nuts, pistachio nuts, raw Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-10-09. Retrieved 2019-02-15.
- "Spices, poppy seed Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-11-30. Retrieved 2019-02-15.
- "Seeds, pumpkin and squash seeds, whole, roasted, without salt Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-12-30. Retrieved 2019-02-15.
- "Seeds, sesame seeds, whole, dried Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-11-26. Retrieved 2019-02-15.
- "Seeds, sunflower seed kernels, dried Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-07-07. Retrieved 2019-02-15.
- "Nuts, walnuts, english". usda.gov. Retrieved 2020-02-13.
- "Sacha Inchi Seeds: Perfect for Paleo". sachainchisociety.com. 2016-12-13. Archived from the original on 2019-02-15. Retrieved 2017-01-05.
- "Lentils, mature seeds, cooked, boiled, without salt Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2019-01-14. Retrieved 2017-05-01.
- "US National Nutrient Database, Release 28". United States Department of Agriculture. May 2016. All values in this table are from this database unless otherwise cited or when italicized as the simple arithmetic sum of other component columns.
- "Fats and fatty acids contents per 100 g (click for "more details"). Example: Avocado oil (user can search for other oils)". Nutritiondata.com, Conde Nast for the USDA National Nutrient Database, Standard Release 21. 2014. Retrieved 7 September 2017. Values from Nutritiondata.com (SR 21) may need to be reconciled with most recent release from the USDA SR 28 as of Sept 2017.
- "USDA Specifications for Vegetable Oil Margarine Effective August 28, 1996" (PDF).
- "Avocado oil, fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- Feramuz Ozdemir; Ayhan Topuz (May 2003). "Changes in dry matter, oil content and fatty acids composition of avocado during harvesting time and post-harvesting ripening period" (PDF). Elsevier. Retrieved 15 January 2020.
- Marie Wong; Cecilia Requejo-Jackman; Allan Woolf (April 2010). "What is unrefined, extra virgin cold-pressed avocado oil?". Aocs.org. The American Oil Chemists’ Society. Retrieved 26 December 2019.
- "Brazil nut oil, fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- Katragadda, H. R.; Fullana, A. S.; Sidhu, S.; Carbonell-Barrachina, Á. A. (2010). "Emissions of volatile aldehydes from heated cooking oils". Food Chemistry. 120: 59–65. doi:10.1016/j.foodchem.2009.09.070.
- "Canola oil, fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- "Coconut oil, fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- "Corn oil, industrial and retail, all purpose salad or cooking, fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- Wolke, Robert L. (May 16, 2007). "Where There's Smoke, There's a Fryer". The Washington Post. Retrieved March 5, 2011.
- "Cottonseed oil, salad or cooking, fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- "Linseed/Flaxseed oil, cold pressed, fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- Garavaglia J, Markoski MM, Oliveira A, Marcadenti A (2016). "Grape Seed Oil Compounds: Biological and Chemical Actions for Health". Nutrition and Metabolic Insights. 9: 59–64. doi:10.4137/NMI.S32910. PMC 4988453. PMID 27559299.
- Callaway J, Schwab U, Harvima I, Halonen P, Mykkänen O, Hyvönen P, Järvinen T (April 2005). "Efficacy of dietary hempseed oil in patients with atopic dermatitis". The Journal of Dermatological Treatment. 16 (2): 87–94. doi:10.1080/09546630510035832. PMID 16019622. S2CID 18445488.
- "Smoke points of oils" (PDF).
- "Olive oil, salad or cooking, fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- "Palm oil, fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- "FoodData Central". fdc.nal.usda.gov.
- Orthoefer, F. T. (2005). "Chapter 10: Rice Bran Oil". In Shahidi, F. (ed.). Bailey's Industrial Oil and Fat Products. Vol. 2 (6 ed.). John Wiley & Sons, Inc. p. 465. doi:10.1002/047167849X. ISBN 978-0-471-38552-3.
- "Rice bran oil". RITO Partnership. Retrieved 22 January 2021.
- "Safflower oil, salad or cooking, high oleic, primary commerce, fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- "Oil, sesame, salad or cooking". FoodData Central. fdc.nal.usda.gov.
- "Soybean oil, salad or cooking, (partially hydrogenated), fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- "Soybean oil, salad or cooking, fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- "Walnut oil, fat composition, 100 g". US National Nutrient Database, United States Department of Agriculture.
- "Smoke Point of Oils". Baseline of Health. Jonbarron.org.
- "FoodData Central". fdc.nal.usda.gov.
- "Cottonseed oil, industrial, fully hydrogenated, fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- "Palm oil, industrial, fully hydrogenated, filling fat, fat composition, 100 g". US National Nutrient Database, Release 28, United States Department of Agriculture. May 2016. Retrieved 6 September 2017.
- "Mungo beans, mature seeds, cooked, boiled, without salt Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-06-15. Retrieved 2019-02-15.
- "Peanuts, all types, raw Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2019-01-19. Retrieved 2019-02-15.
- "Soybeans, mature seeds, cooked, boiled, with salt". Self Nutrition Data, Condé Nast. Archived from the original on 2018-11-11. Retrieved 2019-02-15.
- "Tofu, raw, regular, prepared with calcium sulfate Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-06-25. Retrieved 2019-02-15.
- "Natto Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-11-26. Retrieved 2019-02-15.
- "Chickpeas (garbanzo beans, bengal gram), mature seeds, cooked, boiled, without salt Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-12-05. Retrieved 2019-02-15.
- "Beans brown boiled". NEVO. RIVM. 2019. Retrieved 2021-08-06.
{{cite web}}
: CS1 maint: url-status (link) - "Pasta wholemeal boiled". NEVO. RIVM. 2019. Retrieved 2021-08-06.
{{cite web}}
: CS1 maint: url-status (link) - "Arugula, raw".
- "Lettuce, green leaf, raw Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-09-15. Retrieved 2019-02-15.
- "Lettuce, green leaf, raw Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-06-08. Retrieved 2019-02-15.
- "Brussels sprouts, cooked, boiled, drained, without salt Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-12-05. Retrieved 2019-02-15.
- "Cabbage, red, raw Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-10-12. Retrieved 2019-02-15.
- "Cabbage, chinese (pak-choi), cooked, boiled, drained, without salt Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-11-26. Retrieved 2019-02-15.
- "Chard, swiss, cooked, boiled, drained, without salt".
- "Sauerkraut, canned, low sodium Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-06-25. Retrieved 2019-02-15.
- "Spinach, cooked, boiled, drained, without salt Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2019-01-04. Retrieved 2019-02-17.
- "Turnip greens, cooked, boiled, drained, without salt Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2019-01-05. Retrieved 2019-02-17.
- "Kohlrabi, raw".
- "Beet greens, cooked, boiled, drained, without salt Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-06-26. Retrieved 2019-02-17.
- "Collards, cooked, boiled, drained, without salt".
- "Mustard greens, cooked, boiled, drained, without salt Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-06-26. Retrieved 2019-02-17.
- "Carrots, raw [Includes USDA commodity food A099] Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2019-01-31. Retrieved 2019-02-17.
- "Beets, raw Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2019-01-30. Retrieved 2019-02-17.
- "Parsley, raw Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-12-12. Retrieved 2019-02-17.
- "Turnips, raw Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2019-01-31. Retrieved 2019-02-17.
- "Squash, winter, butternut, cooked, baked, without salt Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2019-02-12. Retrieved 2019-02-17.
- "Squash, summer, zucchini, includes skin, raw Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-06-20. Retrieved 2019-02-17.
- "Squash, winter, acorn, cooked, baked, without salt".
- "Tomatoes, red, ripe, raw, year round average [Includes USDA commodity food A238, A233] Nutrition Facts & Calories". Self Nutrition Data, Condé Nast. Archived from the original on 2018-06-28. Retrieved 2019-02-17.
- Garcia, P.T.; Pensel, N.A.; Sancho, A.M.; Latimori, N.J.; Kloster, A.M.; Amigone, M.A.; Casal, J.J. (2008). "Beef lipids in relation to animal breed and nutrition in Argentina". Meat Science. 79 (3): 500–508. doi:10.1016/j.meatsci.2007.10.019. PMID 22062910.