Plant Tyrosine(Tyr)Content HPLC Assay Kit,50T

Brands:Solarbio

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Place of Origin:China

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Shelf Life:1 year under -4℃

Storage:4℃

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Research Areas:HPLC Assay Kit

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Product Description

L-Tyrosine is a non-essential amino acid for humans， as the body can synthesize it endogenously. It is a core precursor for the synthesis of neurotransmitters such as dopamine， norepinephrine， and epinephrine. Under the catalysis of Tyrosine hydroxylase， L-Tyrosine participates in neurotransmitter metabolism. It also serves as a structural component in the synthesis of thyroid hormones.

The OPA derivatization method effectively enhances the fluorescent properties of L-Tyrosine， thereby enabling more sensitive detection. This kit employs a pre-column derivatization method: under weakly alkaline conditions， OPA (o-phthalaldehyde) and 3-MPA (3-mercaptopropionic acid) specifically react with the amino group of L-Tyrosine to form fluorescent derivatives. Upon excitation with ultraviolet light， these derivatives emit fluorescence at a longer wavelength than the excitation light. The fluorescence intensity is proportional to the L-Tyrosine concentration with a high response， making this method suitable for automated batch analysis by HPLC. This kit is specifically designed for the rapid and efficient extraction and quantification of L-Tyrosine in plant samples.

Instruments and Reagents Required for the Assay

High-performance liquid chromatograph (HPLC) equipped with a C18 column (4.6 × 250 mm， water tolerance ≥95%) and a fluorescence detector (FLD); ultrasonic cleaner; vortex mixer; electronic balance; low-temperature high-speed centrifuge (4°C， 10，000 r/min); mortar/homogenizer; adjustable pipettes; syringe; organic membrane filter; aqueous membrane filter; chromatographic-grade methanol， ethanol， and acetonitrile， etc.

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