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Andrew J. Macnish, Malkeet S. Padda, Francine Pupin, Pavlos I. Tsouvaltzis, Angelos I. Deltsidis, Charles A. Sims, Jeffrey K. Brecht, and Elizabeth J. Mitcham

.e., room air) fruit. However, exposure to MAs of ultralow (e.g., less than 0.25%) O 2 and/or high (e.g., greater than 20%) CO 2 are frequently associated with the development of off-flavors (i.e., acetaldehyde, ethyl acetate, ethanol volatiles) in

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Paweł Wójcik, Anna Skorupińska, and Hamide Gubbuk

International Ltd., Maidstone, Kent, England) at room temperature. The resulting mixtures were pooled and evaporated to the aqueous phase, which was subsequently adjusted to pH 10 with 1 m KOH and partitioned against 100% ethyl acetate. After centrifuging the

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Anne Plotto, Elizabeth Baldwin, Jinhe Bai, John Manthey, Smita Raithore, Sophie Deterre, Wei Zhao, Cecilia do Nascimento Nunes, Philip A. Stansly, and James A. Tansey

, higher acids, higher limonoids and some flavonoids, and lower top-note esters (ethyl acetate and ethyl butanoate) than juice of fruit from healthy trees or asymptomatic fruit from infected trees ( B aldwin et al., 2010 ; B assanezi et al., 2009 ; D

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Chaowei Song, Qi Wang, Jaime A. Teixeira da Silva, and Xiaonan Yu

were further identified. α-Pinene (>99% purity; Fluka Chemical Corp., Ronkonkoma, NY) was selected as the external standard and ethyl acetate was used as the solvent (initial concentration was 0.858 g·mL −1 ). Four dilutions (×100, ×500, ×1000, and

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Fan Zhang, Zi Wei, Peter Jeranyama, Carolyn DeMoranville, and Harvey J.M. Hou

acetate (7:0.96:0.04:2, mobile phase B) was pumped for 1 min. Finally, acetonitrile:methanol:water:ethyl acetate (7:0.96:0.04:8, mobile phase C) was pumped until all the components were eluted. The doubly distilled water was filtered with a HPLC solvent

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Naoko Nakajima, Yoshinori Ikoma, Hikaru Matsumoto, Keiko Sato, Yuri Nakamura, Mineyuki Yokoyama, Ohji Ifuku, and Shigeo Yoshida

vigorously. C-KODA was extracted using ethyl acetate, and isolated with high-performance liquid chromatography (NANOSPACE SI-1, Shiseido, Tokyo, Japan) using a CAPCELL PAK C 18 column (Shiseido). The mobile phase was 50% CH 3 CN in 0.05% trifluoroacetic acid

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Sofia Caretto, Angelo Parente, Francesco Serio, and Pietro Santamaria

extracted twice with 15 mL n-hexane:ethyl acetate (9:1). The organic phase was collected, evaporated by Rotavapor (IKA, Labortechnik, Staufen, Germany), and the dry residue was dissolved in 1 mL 98% (v/v) methanol. A sample volume of 20 mL was separated by

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Ningguang Dong, Jianxun Qi, Yuanfa Li, Yonghao Chen, and Yanbin Hao

with internal standards of [ 2 H 2 ]-ABA and reduced to aqueous phase. The aqueous phase was extracted with ethyl acetate at pH 3, then with potassium phosphate buffer at pH 8.5, again into ethyl acetate at pH 3, and further purified on C 18 Sep

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Paemika Promkaew, Varit Srilaong, Chalermchai Wongs-Aree, Nutthachai Pongprasert, Samak Kaewsuksaeng, and Satoru Kondo

to 2.5 with 0.1 m phosphoric acid and extracted three times with 20 mL 100% v/v ethyl acetate to concentrate it to dryness and then dissolved in 1 mL of 25% acetonitrile containing 20 m m acetic acid. The solution was filtered and then subjected to

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Qin Shi, Yunlong Yin, Zhiquan Wang, Wencai Fan, Jinbo Guo, and Jianfeng Hua

.5% TTC in 0.06 mol·L −1 phosphatic buffer, pH 7.4) for 3 h at 37 °C in the dark. Then 2 mL of 1 mol·L −1 H 2 SO 4 was added to the tube to stop the reaction. The TTC solution was drained. Roots were ground and extracted with 10 mL of ethyl acetate and