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Steve J. McArtney, John D. Obermiller, James R. Schupp, Michael L. Parker, and Todd B. Edgington

-Minolta Sensing Americas, Ramsey, NJ) and reported as L*C*h values. Fruit internal ethylene concentration (IEC) was measured with a gas chromatograph (model GC-8A; Shimadzu, Kyoto, Japan) equipped with a flame ionization detector and an activated alumina column

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Jennifer R. DeEll, Jennifer T. Ayres, and Dennis P. Murr

evaluated on a scale of 1 to 9 points using starch charts ( Chu and Wilson, 2000a , b ). Internal ethylene concentration (IEC) was determined at harvest, after 14 d at 22 °C, and after each storage treatment combination. A 3-mL gas sample was withdrawn from

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Renae Moran, Jennifer DeEll, and Cindy B.S. Tong

index is also influenced by crop load and weather in addition to fruit maturity ( Serra et al., 2016 ; Smith et al., 1979 ). An increase in internal ethylene concentration (IEC) and ethylene production have been useful for determining when to complete

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Valeria Sigal Escalada and Douglas D. Archbold

treatments at H2 (AVG and AVG plus 1-MCP). Fruit were ripened at 21 °C for 7 d after postharvest treatment or were stored in cold storage for 6 or 12 weeks at 4 °C and later ripened at 21 °C for 7 d. Internal ethylene concentration. Internal ethylene

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Jinwook Lee, James P. Mattheis, and David R. Rudell

chromameter. Color measurements were expressed as lightness ( L *, 0–100), chroma ( C *), and hue angle ( h o , 0–360) ( McGuire, 1992 ). Internal ethylene concentration (IEC) was measured by withdrawing a 0.5-mL gas sample from the core cavity using a syringe

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Rachel Leisso, Ines Hanrahan, and Jim Mattheis

mass, peel background color, peel chroma ( C *), and hue angle ( h °), flesh firmness, internal ethylene concentration (IEC), SSC, SI, and TA. Peel background color was subjectively rated using a color wheel as a guide (U.S. Department of Agriculture

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Maude Lachapelle, Gaétan Bourgeois, Jennifer R. DeEll, Katrine A. Stewart, and Philippe Séguin

their relationship with SBI in ‘Honeycrisp’ apples are limited because fruit quality attributes of this variety (internal ethylene concentration, starch index, firmness, and soluble solid content) were found to show no consistent patterns among years

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Corina Serban, Lee Kalcsits, Jennifer DeEll, and James P. Mattheis

. Mean fruit firmness, soluble solids content (SSC), titratable acidity (TA), and internal ethylene concentrations (IEC) after 4 mo. of storage for two lots from two production seasons (C, D) of ‘Honeycrisp’ apples from Washington State and one lot (E

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Jinwook Lee, James P. Mattheis, and David R. Rudell

. Measurements were conducted before and after storage on the same fruit. The difference calculation was based on values at harvest and those after storage. Internal ethylene concentration in a 0.5-mL gas sample taken from the core cavity was analyzed using a

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Kathleen Delate, Andrea McKern, Robert Turnbull, James T.S. Walker, Richard Volz, Allan White, Vincent Bus, Dave Rogers, Lyn Cole, Natalie How, Sarah Guernsey, and Jason Johnston

. Internal ethylene concentration was determined by injecting a 1-mL core cavity sample into a gas chromatograph (Hewlett Packard, 5890 series II) equipped with an injector at 160 °C, an activated alumina F1 column (Alltech; glass, 1.5 m × 6 mm × 2 mm; mesh