Spiramycin — Reference Materials for Residue Analysis

Spiramycin Precision Reference Materials for Confident Residue Analysis

Accelerate compliant LCMSMS workflows with Spiramycin reference materials from HPC Standards. Our highpurity, wellcharacterized materialsavailable as neat substances and readytouse solutionsenable accurate calibration, robust method validation, and reliable QC across milk, muscle, liver, kidney, fat, and eggs. Supplied with comprehensive Certificates of Analysis and tested to international quality requirements, they support ISOIEC 17025 readiness, matrixmatched calibration, and stableisotope dilution where available. Choose HPC Standards for defensible results, consistent recoveries, and LOQs at or below regulatory limits.

Product		Catalog No./ CAS No.	Quantity	Price
ISO 17034 Reference Material Spiramycin		675466 8025-81-8	1X100MG	Please log in.

High-quality reference materials for Spiramycin to support reliable quantification in food and environmental matrices, enabling regulatory compliance and robust method validation.

Overview

Spiramycin is a macrolide antibiotic produced by Streptomyces ambofaciens. It comprises multiple factors (primarily I, II, III) and acts by inhibiting bacterial protein synthesis. Owing to veterinary and certain human medical uses, spiramycin residues can occur in animal-derived foods, requiring targeted monitoring to meet regulatory limits.

Chemical Profile

Class: 16-membered macrolide antibiotic (mixture of related components). General features: basic, amphiphilic, moderately lipophilic, readily forms salts. Sensitive to acidic hydrolysis and elevated temperatures; light protection recommended.

Uses and Applications

Veterinary medicine: treatment and metaphylaxis of susceptible bacterial infections in food-producing animals (e.g., respiratory and mycoplasmal infections) as permitted by national regulations. Human medicine: specific indications in some regions (e.g., toxoplasmosis in pregnancy), subject to medical guidance. Use patterns drive residue monitoring in milk and tissues.

Regulatory Status and MRLs

Maximum residue limits (MRLs) for spiramycin in food of animal origin are established in many jurisdictions (e.g., EU, Codex, and others). Limits are matrix-specific (commonly set for milk, muscle, liver, kidney, and fat). Always consult the latest official sources (e.g., EU Regulation (EU) No 37/2010 and updates, Codex MRLs, national regulations) for current limits and classifications.

Monitoring and Surveillance

Typical target matrices: raw and processed milk, bovine/porcine/poultry muscle, liver, kidney, fat, and eggs. Surveillance programs often combine screening assays with confirmatory LC–MS/MS to ensure compliance and support enforcement.

Sample Preparation and Extraction

Common workflows: protein precipitation (acetonitrile or methanol), followed by solid-phase extraction (SPE; e.g., mixed-mode cation-exchange) to enrich and clean up macrolides from complex matrices. pH control is critical to maintain analyte recovery and prevent degradation. Matrix-matched calibration and stable isotope dilution (where available) help correct matrix effects.

Analytical Methods

Confirmatory analysis: LC–MS/MS with electrospray ionization in positive mode is the method of choice, enabling quantification of individual spiramycin factors and improved selectivity. HPLC-UV/FLD may be used for screening but typically lacks the required selectivity/sensitivity for confirmatory purposes. Typical performance targets: LOQs at or below MRLs, recoveries within 70–120%, and precision (RSD) consistent with regulatory requirements.

Reference Materials (HPC Standards)

HPC Standards provides high-purity reference materials for Spiramycin to support calibration, system suitability, method validation, and routine quality control. Materials are supplied with comprehensive Certificates of Analysis (purity, identity confirmation, uncertainty where applicable) and are tested according to international quality requirements to meet the highest industrial standards.

Available formats include neat materials and ready-to-use solutions on request. Stable isotope‑labelled internal standards may be offered where available to enhance quantification accuracy via isotope dilution workflows.

Calibration and QA/QC

Recommended practices: multi-point calibration across the relevant concentration range (bracketing MRL/action levels), inclusion of matrix-matched or standard addition approaches, routine use of QC levels (low/mid/high), and participation in proficiency testing where applicable. Employ reference materials for ongoing performance verification and trend analysis.

Stability and Storage

Store spiramycin reference materials at low temperature (e.g., 2–8 °C or −20 °C, per CoA), protected from light and moisture. Prepare working solutions in suitable solvents (e.g., methanol or acetonitrile with controlled water content) and maintain neutral to slightly basic conditions to minimize acid-catalyzed degradation. Use amber vials, minimize freeze–thaw cycles, and track solution expiry per CoA guidance.

Matrix Scope and Method Applicability

Validated methods using spiramycin reference materials cover a broad matrix scope: milk and dairy products, muscle, offal (liver, kidney), eggs, and fat. Method transfer should include matrix-specific recovery and ion-suppression assessments to ensure equivalence across commodities.

Human Health Impact

Spiramycin exhibits the class-typical safety profile of macrolides. Potential adverse effects include gastrointestinal disturbances and hypersensitivity reactions in susceptible individuals. As with other macrolides, caution is advised regarding potential drug interactions; laboratories handling bulk materials should implement exposure controls to prevent sensitization.

Environmental Impact

Environmental entry may occur via agricultural use and manure application. Key concerns include selection pressure for antimicrobial resistance in environmental microbiota. Spiramycin shows variable biodegradation; aquatic toxicity is typically low to moderate but species-dependent. Waste solutions should be collected and disposed of as hazardous pharmaceutical waste to mitigate ecological impact.

Safety Measures and Handling

Laboratory handling: use appropriate PPE (lab coat, gloves, eye protection), work in well-ventilated areas or fume hoods when preparing solutions, and avoid aerosol generation. Follow SDS guidance for spill response and first aid. Decontaminate surfaces and tools after use; segregate antibiotic-containing waste.

Reporting, Decision Limits, and Uncertainty

Report results with units, measurement uncertainty, and decision thresholds aligned to jurisdictional requirements (e.g., MRL, screening target concentrations, CCα/CCβ where applicable). Document confirmation criteria (ion ratios, retention time windows, and qualifier transitions) for defensible results.

Cross‑Reactivity and Interferences

Macrolides can co-elute in some chromatographic conditions; optimize separation and monitor distinct MS/MS transitions to avoid false positives. Matrix co-extractives (e.g., phospholipids in tissue, proteins/fats in milk) may cause ion suppression; employ effective cleanup and internal standardization.

Related Compounds and Metabolites

Spiramycin occurs as multiple factors; regulatory methods may target the sum or specific components. Consider potential metabolites or degradation products in method scope if required by local guidance. Reference materials for related macrolides can support broader screening panels.

Accreditation and Compliance

Use of traceable reference materials supports ISO/IEC 17025 accreditation, method validation (selectivity, linearity, recovery, precision, LOQ), and routine QC. Maintain full documentation (CoA, SDS, validation records) to demonstrate competence and compliance during audits.

Documentation

Each spiramycin reference material is supplied with a Certificate of Analysis and Safety Data Sheet. Batch-specific data include identity confirmation, purity assessment, recommended storage, and stability information to guide safe and effective use.