Dye inferior nitrate of high density of swallow's detection of the blood

Dye inferior nitrate of high density of swallow's detection of the blood
The reporter learns from Guangdong inspection and quarantine office on the 2nd, " true and false differentiation method research of bird's nest and products " which this office bears The project seminar is from so-called some for the first time " The blood swallow " , " yellow swallow " When dyeing inferior nitrate of the high density of detection in the bird's nest, some content even reaches thousands of milligrams kilogram, it is quite great to endanger the human body! In view of the above, the regional customs destroy, retreated and transported and criticized " blood swallows " more .
According to the introduction of expert, the dyeing bird's nest discovered and seized, for the most part dyed white bird's nest, and in order to chase the high profit, white bird's nests that the bad trade company uses are all white bird's nests of low price with poor quality, with ugly appearance, the content of inferior nitrate included is very high, some have even reached thousands of milligrams kilogram, endanger the human body greatly. But confirm to be, dye with inferior nitrate directly, dye in the course taking place chemical reaction but a residual one.
" food additive uses the sanitary standard " (GB2760-2007) in our country Restrain inferior nitrate from being only regarded as protecting color pharmaceutical of a small amount of food such as meat strictly, limit is 70 milligrams kilogram, other food (including bird's nest) Do not allow to add.
It is introduced, China's Mainland has already consumed as the first largest bird's nest, the annual sales amount is up to tens of billions.
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