When tea is decaffeinated, are other methyl xanthines such as theophyline removed also?

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Jeevan Dananjaya Kottawa-Arachchi

Supercritical fluid extraction (SFE) method may be useful to obtain decaffeinated black tea. But SFE technique not only reduced caffeine but also reduced theaflavins, thearubigins, colour and brightness which are some important features of black tea.

I suggest to read article Joshi, et al., (2013). Effect of decaffeination conditions on quality parameters of Kangra orthodox black tea, published in Food Research International. doi: 10.1016/j.foodres.2012.12.050

Vincient Cleamons

Thank you so much for this reference.