How to transfer iphone notes from an old gmail account to a new one?

Over the years I have created a slew of notes on my iphone. The gmail account they were syncing to is a childish email account that I need to get rid of. The problem is, I don't want to get rid of all the notes. I found this out this was a problem when I took the old gmail account off my phone and replaced it with a new account, it consequently deleted all the notes on my phone. How do I simply transfer the notes to a new gmail account?

Are these notes in.txt format if yes then you can take the backup on a local machine and upload to gmail, if they are on an app like evernote read these steps (http://discussion.evernote.com/topic/27181-help-how-to-back-upexport-evernote-files/)