Tocopherol and Fatty Acid Analysis

Chemicals used were identical to Krauß et al.^{25 (link),27 (link)} with few exceptions. (R,R,R)-α-tocopherol (≥97%) and (R,R,R)-γ-tocopherol were purchased from Sigma-Aldrich (Steinheim, Germany), while β-tocopherol and δ-tocopherol were from Supelco Analytical (Bellefonte, USA). Thionyl chloride, myristic acid (≥98%) and α-linolenic acid were from Fluka (Steinheim, Germany) and lauric acid and pentadecanoic acid (both >99%) were ordered from Merck (Darmstadt, Germany).

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Krauß S., Darwisch V, & Vetter W. (2018). Occurrence of tocopheryl fatty acid esters in vegetables and their non-digestibility by artificial digestion juices. Scientific Reports, 8, 7657.

Publication 2018

(R,R,R)-α-tocopherol β-tocopherol δ-tocopherol lauric acid pentadecanoic acid

Lauric acid Myristic acid Pentadecanoic acid R r r α tocopherol Thionyl chloride α linolenic acid β tocopherol γ tocopherol δ tocopherol

Corresponding Organization :

Other organizations : University of Hohenheim

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Variable analysis

independent variables

Chemicals used were identical to Krauß et al.25,27 with few exceptions
Chemicals used: (R,R,R)-α-tocopherol, (R,R,R)-γ-tocopherol, β-tocopherol, δ-tocopherol, thionyl chloride, myristic acid, α-linolenic acid, lauric acid, pentadecanoic acid

dependent variables

Not explicitly mentioned

control variables

Not explicitly mentioned

positive controls

Not specified

negative controls

Not specified

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