Table 2: Antioxidant capacity of cell-free extracts evaluated by the oxygen radical absorbance capacity (ORAC) assay.

Genus and speciesStrainORAC (µM TE1) ± SE2

. adolescentis ATCC 1570376.5 ± 38.2M
. animalis subsp. lactis BB-1279.8 ± 38.4LM
B. longum subsp. infantis ATCC 1570285.9 ± 38.9KLM
B. longum subsp. longum RW 024101.0 ± 39.7JKLM
B. longum subsp. longum PRO 42-2109.5 ± 39.1IJKLM
B. longum subsp. longum CUETM 290115.0 ± 38.2HIIJKLM
B. longum subsp. longum RW 008117.0 ± 33.1IIJKLM
B. longum subsp. longum RW 009118.7 ± 39.2HIIJKLM
B. longum subsp. longum CUETM 239122.7 ± 33.6HIIJKLM
B. longum subsp. longum PRO 42-8125.0 ± 38.2GHIIJKLM
B. longum subsp. longum RW 020127.5 ± 39.1FGHIIJKLM
B. longum subsp. longum RW 023129.2 ± 40.1EFGHIIJKLM
B. longum subsp. longum CUETM 186132.4 ± 38.6DEFGHIIJKLM
B. longum subsp. longum PRO 42-1135.6 ± 38.1DEFGHIIJKLM
B. longum subsp. longum CUETM 247137.5 ± 38.0DEFGHIIJKLM
B. longum subsp. longum ATCC 15708140.5 ± 12.5IJKLM
B. longum subsp. longum CUETM 193144.4 ± 39.1CDEFGHIJKLM
B. longum subsp. longum CUETM 177149.2 ± 38.5CDEFGHIJKLM
B. longum subsp. longum CUETM 260154.1 ± 33.1CDEFGHIJKLM
B. longum subsp. longum RW 019157.2 ± 39.0BCDEFGHIJKLM
B. longum subsp. longum ATCC 15707158.2 ± 38.5BDEFGHIJKLM
B. longum subsp. longum ATCC 51870158.5 ± 39.5BCDEFGHIJKLM
B. longum subsp. longum DSM 20097162.0 ± 38.6BCDEFGHIJKLM
B. longum subsp. suis ATCC 27533175.7 ± 38.2ABCDEFGHIJKLM
B. longum subsp. longum NCC 2705187.3 ± 38.3ABCDEFGHIJKL
B. longum subsp. longum CUETM 245187.4 ± 33.1ABCDEFGHIJ
B. longum subsp. longum CUETM 263191.0 ± 38.5ABCDEFGHIJK
B. longum subsp. longum CUETM 268195.3 ± 38.1ABCDEFGHIJ
B. longum subsp. longum CUETM 281218.2 ± 39.5ABCDEFGHI
B. longum subsp. longum PRO 16-10223.5 ± 39.1ABCDEFGH
B. longum subsp. longum CUETM 287227.1 ± 38.0ABCDEFG
B. longum subsp. longum PRO 42-10232.6 ± 38.1ABCDEF
. breve ATCC 15698237.0 ± 38.1ABCDE
B. longum subsp. longum RW 001241.5 ± 39.0ABCD
B. longum subsp. longum CUETM 259245.7 ± 38.1ABC
B. longum subsp. longum CUETM 171265.1 ± 39.1AB
. catenulatum CUETM 174266.4 ± 33.5A
B. longum subsp. longum CUETM 172274.3 ± 38.4A

Means with different capital letter superscripts were significantly different ( < 0.05).
1Trolox equivalent.
2Results were expressed as means ± standard error ( = 3).
3Bifidobacterium.