Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Murofushi K, et al. Process for preparation of purified xanthan gum. US Patent 5,595,892 dated Jan 21 1997
Pollock TJ, Thorne L. Xanthomonas campestris strain expressing xanthan gum. US Patent 5,194,386 dated Mar 16 1993
