Blowfish Ovaries Pickled in Rice-bran Paste

What are blowfish ovaries pickled in rice-bran paste?

Production process No.8: Inspection and shipment

The Ishikawa Health Service Association’s toxicity test is carried out on the finished product. It is shipped only after it has met the 10-mouse-unit toxicity standard.

* Only qualified people who have authorization from the prefecture are allowed to process blowfish, and they must do so in accordance with Ishikawa Prefecture's "Regulations for the Handling of Blowfish" in an authorized facility that meets set standards.
Moreover, blowfish ovaries pickled in rice-bran paste are only sold after having been checked for safety through a toxicity inspection, and other tests.
Blowfish contain dangerous poison, so never try to prepare this food yourself.

• What are blowfish ovaries pickled in rice-bran paste?
• How are they made?
• How can the poison be removed?