Genre
- Journal Article
Profiles of selected phenolic constituents of 2 apple cultivars, Northern Spy and Ida Red, commonly used for processed products Were compared. Although chlorogenic acid was the principal phenolic in both cultivars, there were significant quantitative differences. A new solid-phase extraction (SPE) and high-performance liquid chromatographic (HPLC) separation using polymeric resins was developed for this experiment. Quantification was by ultra-violet (UV) absorbance using a diode array detector. The performance of this new method was compared with that of a published liquid-liquid extraction (LLE) method, based on linearity of detector response, limits of detection, reproducibility of analysis, and recoveries from spiked apple samples.
Acadia Univ, Agr & Agri Food Canada, Sch Nutr & Dietet, Wolfville, NS B0P 1X0, Canada. Univ Prince Edward Isl, Dept Math & Comp Sci, Charlottetown, PE C1A 4P3, Canada. Carroll Hlth Care, St Johns, NF, Canada.; Russell, LF, Acadia Univ, Agr & Agr(TRUNCATED)
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INST FOOD TECHNOLOGISTS
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Source type: Electronic(1)
Language
- English
Subjects
- chlorogenic acid
- storage
- solid phase extraction
- Food Science & Technology
- POLYPHENOL OXIDASE
- Grapes
- JUICE
- Fruit
- determination
- GENUINENESS
- high-performance liquid chromatography
- LIQUID-CHROMATOGRAPHY
- phenolics
- apples
- HPLC
- DIODE-ARRAY DETECTION