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Olive Oils

Laboratory Tello is qualified in olive oils analysis and its derivatives. We analyse a wide range of standards, applying the most advanced technology in order to guarantee our results.

Our most demanded determinations in olive oils are:

Quality

  • DEGREE OF ACIDITY
  • PEROXIDE INDEX
  • SPECTROPHOTOMETRIC DETERMINATIONS K270, K232, AK
  • HUMIDITY AND VOLATILE MATTER
  • INSOLUBLE IMPURITIES
  • ALKYL ESTERS

Organoleptic Assessment in Virgin Olive Oil (VOO)

  • EEC REGULATION no. 2568/91 and its subsequent modifications

Purity

  • WAXES
  • STEROLS COMPOSITION AND STE.
  • TOTALS FATTY ACID COMPOSITION
  • 3,5-STIGMASTADIENE
  • DIFFERENCE ECN DIFERENCIA ECN 42 THEORETICAL AND HPLC
  • * CONTENT IN UNSAPONIFIABLE MATTER
  • * ALIPHATIC ALCOHOLS
  • * MONOPALMITATE 2-GLYCERYL

Contaminants

  • PLAGUICIDES
  • POLYCYCLIC AROMATIC HYDROCARBONS (PAHS)
  • * HALOGENATED DERIVATIVES
  • * DIQUAT
  • * METALS
  • * PCB´S
  • * MELAMINE
  • * DIOXINES AND SIMILAR PCB´S TO DIOXINES
  • * ALIPHATIC HYDROCARBONS
  • * HEXANE
  • * PHTHALATES
  • * AFLATOXINES
  • * SOLVENT RESIDUE
  • * COPPER CHLOROPHYLLS
  • * INHERENT PLANT TOXINS (ERUCIC ACID)
  • * 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 DETERMINED GRAVIMETRICALLY WITH PREVIOUS HYDROLYSIS
  • *CARBOHYDRATES
  • *TOTAL SUGARS
  • *VOLUMETRICALLY CONTROLLED PROTEINS
  • *SODIUM CHLORIDE-SALT

Other analysis

  • * ANALYSIS OF TOCOPHEROLS
  • * TOTAL POLYPHENOLS
  • * BIOPHENOLS, HYDROXYTYROSOL, TYROSOL AND OLEOCANTHAL
  • * RANCIMAT
  • * POLAR COMPOUNDS
  • * MICROBIOLOGICAL ANALYSIS
  • *HIDDEN ACIDITY (% OLEIC ACID)
  • * PIROPHEOPHYTIN
  • * 1-2 DIACYLGLYCEROLS
  • * SQUALENE
  • * IND. REFRACTION
  • * IND. IODINE
  • * IND. SAPONIFICATION
  • * OXIDISED ACIDS
  • * DENSITY (20ºC/WATER 20ºC)
  • * LOVIBON COLOR INDEX

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