Compositions and methods for stabilizing ingredients using 2,4-pentanedione compounds

A method of enhancing the stabiiity, mitigating the degradation, or both of photo- and/or thermal- sensitive ingredients of food, cosmetic, personal care, pharmaceutical/medicinal, household or agrichemical products, said method comprising combining an effective amount of one or more 2,4-pentanedione compounds with the ingredient(s) to be protected, wherein the 2,4-pentanedione compounds are of the Formula I:

• wherein R1 and R2, which may be the same or different, are independently alkoxy, wherein the alkoxy groups are linear or branched and have from 1 to 8 carbon atoms, and wherein R3 is methyl.