Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 65.92 3.70 131.00 37.60
mol/100 g 0.00 0.00 0.00 0.00

Values calculated by aggregating data from 19 different samples from 7 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation

Original Content Values Used to Produce Means

Chu, Y. F., Sun, J., Wu, X., Liu, R.H. (2002) Antioxidant and antiproliferative activities of common vegetables. Journal of Agricultural and Food Chemistry 50:6910-6916 PubMed (25496805)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
22.55 mg/100 g FW Lettuce - Edible part no 1
Ninfali P., Mea G., Giorgini S., Rocchi M., Bacchiocca M. (2005) Antioxidant capacity of vegetables, spices and dressings relevant to nutrition. British Journal of Nutrition 93:257-266 PubMed (15788119)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
44.20 mg/100 g FW Vegetables - Lettuce - Cappuccio estiva Kagnran - Lactuca sativa L. - Fresh no 4
55.60 mg/100 g FW Vegetables - Lettuce - Catalogna - Lactuca sativa L. - Fresh no 4
66.20 mg/100 g FW Vegetables - Lettuce - Cocarde - Lactuca sativa L. - Fresh no 4
Bahorun T., Luximon-Ramma A., Crozier A., Aruoma O.I. (2004) Total phenol, flavonoid, proanthocyanidin and vitamin C levels and antioxidant activities of Mauritian vegetables. Journal of the Science of Food and Agriculture 84:1553-1561
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
13.40 mg/100 g FW Vegetables - Lettuce - Lactuca sativa L. - Mignonette no 1
Chun O.K., Dae-Ok K., Smith N., Schroeder D., Jae Taek H., Chang Yong L. (2005) Daily consumption of phenolics and total antioxidant capacity from fruit and vegetables in the American diet. Journal of the Science of Food and Agriculture 85:1715-1724
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
9.82 mg/100 g FW Lettuce head - Supermarket - Edible portion yes 1
Cano A., Arnao M.B. (2005) Hydrophilic and lipophilic antioxidant activity in different leaves of three lettuce varieties. International Journal of Food Properties 8:521-528
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
4.20 mg/100 g FW Lettuce head - Lactuca sativa L. - Iceberg - Inner leaf no 1
4.50 mg/100 g FW Lettuce head - Lactuca sativa L. - Iceberg - Medium leaf no 1
3.70 mg/100 g FW Lettuce head - Lactuca sativa L. - Iceberg - Outermost leaf no 1
6.90 mg/100 g FW Lettuce head - Lactuca sativa L. - Romaine - Inner leaf no 1
6.50 mg/100 g FW Lettuce head - Lactuca sativa L. - Romaine - Medium leaf no 1
10.40 mg/100 g FW Lettuce head - Lactuca sativa L. - Romaine - Outermost leaf no 1
4.00 mg/100 g FW Lettuce head - Lactuca sativa L. - Baby head - Inner leaf no 1
4.10 mg/100 g FW Lettuce head - Lactuca sativa L. - Baby head - Outermost leaf no 1
Yamaguchi T., Katsuda M., Oda Y., Terao J., Kanazawa K., Oshima S., Inakuma T., Ishiguro Y., Takamura H., Matoba T. (2003) Influence of polyphenol and ascorbate oxidases during cooking process on the radical-scavenging activity of vegetables. Food Science and Technology Research 9:79-83
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
49.62 mg/100 g FW Lettuce - Lactuca sativa L. - Leaf no 1
Wu, X., Beecher, G.R., Holden, J.M., Haytowitz D.B., Gebhardt S.E., Prior, R.L. (2004) Lipophilic and hydrophilic antioxidant capacities of common foods in the United States. Journal of Agricultural and Food Chemistry 52:4026-37 PubMed (15186133)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
100.00 mg/100 g FW Butterhead no 8
131.00 mg/100 g FW Green leaf no 8
50.00 mg/100 g FW Iceberg no 7
78.00 mg/100 g FW Romaine no 8