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Chen-Yi Hung, John R. Murray, Sarah M. Ohmann, and Cindy B.S. Tong

HPLC analyses, and Alan G. Smith for advice and the use of his lab space. The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper therefore must be hereby marked advertisement solely

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Ninghang Wang, Chao Zhang, Sainan Bian, Pengjie Chang, Lingjuan Xuan, Lijie Fan, Qin Yu, Zhigao Liu, Cuihua Gu, Shouzhou Zhang, Yaling Wang, and Yamei Shen

typical species and four corresponding cultivars, were investigated to analyze their flavonoids by high-performance liquid chromatography coupled with diode array detection (HPLC-DAD) as well as HPLC with electrospray ionization and mass spectrometry (HPLC

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Ni Jia, Qing-Yan Shu, Dan-Hua Wang, Liang-Sheng Wang, Zheng-An Liu, Hong-Xu Ren, Yan-Jun Xu, Dai-Ke Tian, and Kenneth Michael Tilt

objective of our study was to identify and characterize the anthocyanins in herbaceous peony species from different regions of the world using reverse-phase high-performance liquid chromatography (HPLC) with diode array detection in tandem with electrospray

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Yi Gong, Ronald B. Pegg, Adrian L. Kerrihard, Brad E. Lewis, and Richard J. Heerema

Technology (Athens), vacuum packed, and stored at −80 °C until analyzed. Extraction of phenolic compounds (as lyophilized hydrophilic extracts). Before all analyses [TPC, hydrophilic-oxygen radical absorbing capacity (H-ORAC FL ), and HPLC], a lyophilized

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Kelechi Ogbuji, Gloria S. McCutcheon, Alvin M. Simmons, Maurice E. Snook, Howard F. Harrison, and Amnon Levi

, NY) equipped with a 6-mm diameter sawtooth grinder type of tissue cutter. The solutions were filtered through 0.45-μm nylon-66 filters in preparation for HPLC analysis. High-performance liquid chromatography analysis. Extracts were analyzed once by

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Panthip Boonsong, Natta Laohakunjit, Orapin Kerdchoechuen, and Frank B. Matta

plants using ultraviolet-visible spectrophotometry and HPLC. This research will provide information on the presence, color, and number of pigments and polyphenols (colorants) in plant extracts for possible use as hair coloring dyes. Materials and Methods

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Yifei Wang, Stephanie K. Fong, Ajay P. Singh, Nicholi Vorsa, and Jennifer Johnson-Cicalese

V. tenellum . By using HPLC and LC-ESI-MS-MS, the objectives of the study were to investigate 1) flavonoid (anthocyanins, flavonols, and proanthocyanidins) and organic acid profiles of different blueberry species, 2) variation of flavonoid and

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Cheng Bai, Charles C. Reilly, and Bruce W. Wood

HPLC analysis of xylem sap collected at the time of bud break. Bud break is defined here as the inner bud scale split of >50% of primary apical buds. Spring xylem sap was collected and analyzed at the same stage of bud break from trees reflecting two

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Claire H. Luby, Rachael Vernon, Hiroshi A. Maeda, and Irwin L. Goldman

-tocopherol and α, β-, and γ-tocotrienol. Burns et al. (2003) and Koch and Goldman (2005) used reverse-phase HPLC equipped with an ultraviolet detector to quantify vitamin E levels in carrot roots. These studies reported values of 0.03–0.11 µg·g −1 of total α

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Patrick J. Conner and Dan MacLean

. Two notable exceptions were ‘Tarheel’ and ‘Noble’, which contained good amounts of malvidin and petunidin and produced wines of acceptable color. Since that early work, several authors have used HPLC to better examine the anthocyanin profile of