Absorbents/adsorbents for lowering the harmful effects which is caused by oxidation of exuded phenolic compounds. Phenolics are, for example, exuded as a response to stress (Ahmad et al. 2013).
Ahmad, Ishtiaq, et al. Lethal effects of secondary metabolites on plant tissue culture. Am Eurasian J Agric Environ Sci, 2013, 13. Jg., S. 539-547.