Why petridishes are covered in Newspaper or paper sheets before autoclaving?

12 December 2016 1 3K Report

The petri-plates or dishes are covered in Newspaper or paper sheets before autoclaving them. What is the reason?

See this previous discussion. Answers focussed on prevention of moisure retention during the process and ease of handling and avoiding re-contamination after the process.

https://www.researchgate.net/post/in_our_college_we_used_to_wrap_the_plates_with_paper_autoclave_coverIs_that_wraping_allow_the_steam_for_proper_sterilisation_what_is_the_main_aim

Cheers,

Leo

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