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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

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Au Trung Vo, Imane Haddidi, Hussein Daood, Zoltan Mayer, and Katalin Posta

, then filtered through a filter paper. It was further cleaned-up by passing through a 0.22 µm PTFE HPLC syringe filter before injection on to the HPLC column for the analysis of polyphenols. We used Nucleosil C18, 100, Protect-1 (Macherey-Nagel, Duren

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Ting Lei, Yang Song, Xuehua Jin, Tianyu Su, and Yiwen Pu

measured using HPLC ( Li et al., 2008 ). TA was measured using an Agilent HPLC equipped with a P680 pump, UltiMate 3000 autosampler, DAD-100 ultraviolet-visible (ultraviolet-vis) detector, TCC-100 column oven and Agilent ZORBAX SB-Aq (4.6 mm × 250 mm

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Xiaohua Yang, Susan K. Brown, and Peter J. Davies

extract by Halińska et al. (1989) and purified by solid phase extraction (Strata-X SPE; Phenomenex, Torrance, CA) and high-performance liquid chromatography (HPLC) ( Davies et al., 1986 ). The [ 14 C]GA 12 contained eight 14 C atoms per GA 12 molecule

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Yuji Yamada, Masayoshi Nakayama, Hiromitsu Shibata, Sanae Kishimoto, and Takashi Ikeda

analyzed on a HPLC system with photodiode array detector (EZChrom Elite; Hitachi) and generic description 4.6 × 250-mm column (Inertsil ODS-2; GL Science, Tokyo, Japan). HPLC separation was performed at 40 °C with a flow rate of 0.8 mL·min −1 and a linear

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Adnan Nurhan Yildirim, Fatma Akinci-Yildirim, Mehmet Polat, Bekir Şan, and Yılmaz Sesli

CH 3 CN and H 2 O. The solution was diluted 500 times, and 10 μL of the sample was injected into the HPLC ( Gomez et al., 1998 ). Conditions for the HPLC were: detector: SPD-10AVvp diode array detector (λmax = 238 nm), system controller: SCL-10 Avp

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Jennifer Bonina-Noseworthy, J. Brent Loy, Joanne Curran-Celentano, Rebecca Sideman, and Dean A. Kopsell

; Bycroft et al., 1999 ; Hopp et al., 1960 ). However, the diversity of germplasm analyzed is low, and in most reports, not representative of cultivars currently used in North America. Since the late 1980s, with the advancement of HPLC, the major

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Muhammad Mansoor Javaid, Manish Bhan, Jodie V. Johnson, Bala Rathinasabapathi, and Carlene A. Chase

without ion-exchange purification) were analyzed using HPLC (Agilent Technologies, Santa Clara, CA) equipped with a 1100 series binary pump, fitted with a 2 × 150-mm column (Synergi 4μ Hydro-RP80A, serial no. 106273-5; Phenomenex, Torrance, CA). The mobile