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- W1963919792 abstract "A high-performance liquid chromatographic (HPLC) method for the microscale determination of alpha-tocopherol in macroalgae is reported. The method includes microscale saponification and extraction with n-hexane. The presence of alpha-tocopherol in macroalgae samples was confirmed by HPLC-MS. Alpha-tocopherol levels as determined in samples by HPLC with UV and fluorescence detection did not differ significantly; however, fluorescence detection has a higher sensitivity (detection limit 10.4 ng/ml, vs. 104 ng/ml with UV detection), as well as good precision (relative standard deviation 1.81%) and recovery (94.3%). Fluorescence detection is also faster. We used this method to determine the alpha-tocopherol contents of four commercial macroalgae products from northwest Spain as part of nutritional studies in dehydrated Himanthalia elongata and Laminaria ochroleuca, and also in canned Himanthalia elongata and Saccorhiza polychides." @default.
- W1963919792 created "2016-06-24" @default.
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- W1963919792 date "2002-11-01" @default.
- W1963919792 modified "2023-10-13" @default.
- W1963919792 title "High-performance liquid chromatographic determination of α-tocopherol in macroalgae" @default.
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- W1963919792 doi "https://doi.org/10.1016/s0021-9673(02)00934-2" @default.
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