Plant Arginine(Arg)Content HPLC Assay Kit,50T

Brands:Solarbio

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Place of Origin:China

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Shipping:Ice bag

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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-Arginine is a conditionally essential amino acid; healthy adults can synthesize it endogenously. It plays multiple key roles in vivo: as a precursor of nitric oxide (NO)， L-Arginine dilates blood vessels and improves blood flow through NO production; it participates in the urea cycle， helping to convert toxic ammonia into urea for excretion; it promotes wound healing， enhances immune function， and stimulates the release of growth hormone and insulin.

L-Arginine lacks ultraviolet (UV) absorption groups and strong fluorescent properties， and thus cannot be directly determined by conventional detectors. 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-Arginine 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-Arginine 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-Arginine 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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