Analysis and occurrence of matrine in liquorice raw materials - Exclusion of its application as pesticide.

A quick and selective analytical method was developed employing LC-MS/MS for the quantitation of matrine. This is known to be a natural ingredient of ssp. and is suggested to be a potential contaminant, e.

Why chlorate occurs in potable water and processed foods: a critical assessment and challenges faced by the food industry.

Recently, reports have been published on the occurrence of chlorate mainly in fruits and vegetables. Chlorate is a by-product of chlorinating agents used to disinfect water, and can be expected to be found in varying concentrations in drinking water. Data on potable water taken at 39 sampling points across Europe showed chlorate to range from < 0.