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HPLC of Triacylglycerols (TAG) of Evening Primrose Oil

HPLC of Triacylglycerols (TAG) of Evening Primrose Oil. LLL. LLLn. P - C16:0 O - C18:1 L - C18:2 Ln - C18:3. „AGROPHARM”. PLL. OLL. OLLn. Alpha-TOCOFEROL. PLLn. SOL. LLnLn. Competitive. IN PRACTICE IDENTICAL !. HOWEVER HOW THEY ARE OXIDATED?.

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HPLC of Triacylglycerols (TAG) of Evening Primrose Oil

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  1. HPLC of Triacylglycerols (TAG) of Evening Primrose Oil LLL LLLn P - C16:0 O - C18:1 L - C18:2 Ln - C18:3 „AGROPHARM” PLL OLL OLLn Alpha-TOCOFEROL PLLn SOL LLnLn Competitive IN PRACTICE IDENTICAL ! HOWEVERHOW THEY ARE OXIDATED?

  2. HPLC TRACE OF TRIACYLGLYCEROLS (UV at 268nm) - Competitve Oil • „AGROPHARM” Evening Primrose Oil • Competitive EPO indicates presence of products of oxidation of GLA and LA which are absorbing UV radiation • „AGROPHARM” cold pressed EPO contains only traces of oxidation products of GLA and LA

  3. „AGROPHARM” Evening Primrose Oil Comptitve Oil UV spectrum of LnLnL TAG indicates that in competitive oil -linolenic acid GLA (C18:39,12,15) is partially converted into eleostearic acid (C18:3 9,11,13). This is NOT !!! the case (blue line) of „AGROPHARM”cold pressed oil

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