Typical application -determination of oxytetracycline,tetracycline,chlortetracycline and doxycycline

2024-03-22

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Typical Application - Determination of 4 Phthalates in Beverages

Item Parameter
Instrument 1511 Pro series ultra-high performance liquid chromatography system
Chromatographic column C18, 5μm × 4.6 × 250mm
Column temperature 30°C
Mobile phase A: methanol, B: water; (gradient elution)
Flow rate 1.0 mL/min
Detection wavelength 275 nm
Injection volume 20 μL

Plasticizers refer to industrial plastic softeners, mainly bis(2-ethylhexyl) phthalate (DEHP), dibutyl phthalate (DBP), dioctyl phthalate (DNOP) and diethyl phthalate (DEP), etc.

 

Unscrupulous merchants add plasticizers to foods instead of palm oil in clouding agents in order to increase the viscosity and stability of beverage flow. Studies have shown that phthalates play a role similar to estrogen in humans and animals, can interfere with endocrine, and cause adverse effects on the reproductive system. They are endocrine disrupting hormones that are monitored internationally.

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