Fuente: WIPO "tomato" An anionic surfactant comprises a compound or mixture of compounds having the formula: Y=head group wherein R1 comprises hydrogen or methyl or hydroxy, R2 comprises methyl, hydroxy, or hydrogen, R'2 comprises methyl, hydroxy, or hydrogen, and R3 comprises a hydrocarbon group having 1 to 18 carbon atoms, including straight-chain hydrocarbon groups, branched hydrocarbon groups, saturated hydrocarbon groups, unsaturated hydrocarbon groups, or a combination thereof; wherein if both R2 and R'2 comprise hydrogen, then R1 does not comprise hydrogen if R3 is a linear hydrocarbon group and wherein if R3 is a branched hydrocarbon, then all of R2, R2, and R1 comprise hydrogen,, wherein the hydroxy is derivatized into other functional groups; and wherein Y comprises a taurate head group, a sarcosinate head group, an aspartate head group, or a glutamate head group.