1. WHO (2001) Health and nutritional properties of probiotics in food including powder milk with live lactic acid bacteria. WHO. 2001.[2009]. http://www.who.int/foodsafety/publications/fs_management/en/probiotics.pdf
2. Kurutas EB (2005) The importance of antioxidants which play the role in cellular response against oxidative/nitrosative stress: current state. Nutr J 15(1):71
3. Forman HJ, Zhang H, Rinna A (2009) Glutathione: overview of its protective roles, measurement, and biosynthesis. Mol Asp Med 30(1–2):1–12
4. Rahman I, Biswas SK, Jimenez LA, Torres M, Forman HJ (2005) Glutathione, stress responses, and redox signaling in lung inflammation. Antioxid Redox Signal 7(1–2):42–59
5. Rahman I, Kode A, Biswas S (2006) Assay for quantitative determination of glutathione and glutathione disulfide levels using enzymatic recycling method. Nat Protoc 1:3159–3165