It followed an alert by a French supplier, Comigel, which is understood to have reported that some of its ingredients did "not conform" to the productspecification.
By monitoring the line voltage, frequency and power factor, you can check the quality of the electricity you are being charged for and yell at the utility for delivering a shoddy product if it is below specification (not that it will do you any good).
"The burger product was specifically produced for the UK market and was made to a specification for EU beef from EU approved suppliers, " the company said.