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Vegetable Oils

Laboratory Tello analyses seed oils. We analyse a wide range of standards, applying the most advanced technology in order to guarantee our results.

Our most demanded determinations in seed oils are:

Quality

  • DEGREE OF ACIDITY
  • PEROXIDE VALUE
  • SPECTROPHOTOMETRIC DETERMINATION K270,K232, AK
  • HUMIDITY AND VOLATILE MATTER
  • INSOLUBLE IMPURITIES
  • * SOAP RESIDUE
  • * LOVIBON COLOR INDEX
  • * SAPONIFICATION INDEX
  • * BELLIER INDEX (MET. AC. hydrochloric acid)
  • * HALPHEN REACTION
  • * COLD TEST
  • * REFRACTION INDEX
  • * IODINE INDEX (HANUS METHOD)
  • * ORGANOLEPTIC FEATURES (APPEARANCE, SMELL AND FLAVOUR)

Purity

  • FATTY ACID COMPOSITION
  • STEROLS COMPOSITION AND STE. TOTALS

Contaminants

  • PLAGUICIDES
  • * POLYCYCLIC AROMATIC HYDROCARBONS (PAH)
  • * HALOGENATED DERIVATIVES
  • * DIQUAT
  • * METALS
  • * PCB´S
  • * DIOXINES AND PCB´S SIMILAR TO DIOXINES
  • * ALIPHATIC HYDROCARBONS
  • * HEXANE
  • * PHTHALATES
  • * AFLATOXINES
  • * SOLVENT RESIDUE
  • * MOSH AND MOAH (Mineral oils hydrocarbons saturated and aromatic)
  • * GLYCIDYLIC STERES (3-MCPD, 2-MCPD and Glicidil Ester)
  • * MELAMINE/CYROMAZINE
  • * BISPHENOL A

Nutritional Analysis

  • * ENERGY VALUE
  • * FAT BY GRAVIMETRY WITH PREVIOUS HYDROLYSIS
  • * CARBOHYDRATES
  • * TOTAL SUGARS
  • * PROTEIN BY VOLUMETRY
  • * SODIUM CHLORIDE – SALT

Other Analysis

  • * ANALYSIS OF TOCOPHEROLS
  • * ANALYSIS OF TOCOTRIENOLS
  • * SQUALENE
  • * DENSITY 20ºC
  • * POLAR COMPOUNDS
  • * MICROBIOLOGICAL ANALYSIS
  • * WAXES
  • * STIGMASTADIENE

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