Team:Paris Bettencourt/Protocols/titration-acid-phytic

Titration of phytc acid using Megazyme© Kit
  • Preparation of reagent solutions (not supllied) :
    • Trichloroacetic acid (50% w/v) : 100mL

    • Add 50g of thrichloroacetic to 60mL of distilled water and dissolve. Make to volume (100mL) with distilled water. (Stable for > 6 moths at 4°C)
    • Hydrochloric acid (0.66M) : 1L

    • Add 54.5mL of hydrochloric acid to 945.5mL of distilled wtaer an mix. (Store at room temperature)
    • Sodium hydroxide (0.75M) : 200mL

    • Add 6g of sodium hydroxide pellets to 180mL of distilled water and dissolve. Make to volume (200mL) with distilled water. (Store at room temperature)
    • Phytic acid :

    • Pure phytic acid control sample may be required.
  • Sample extraction :
    • Weigh 1g of sample material.
    • Add 20mL of hydrochloric acid (0.66M).
    • Cover with foil and incubate for a minimum of 3 hours at room temperature.
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