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Electron-spin-resonance spectra of spinach phosphodoxin and spinach chloroplasts
Biochimica et Biophysica Acta (BBA) - Specialized Section on Biophysical Subjects, 1964Abstract It has been found that: the dark electron-spin-resonance spectrum of spinach chloroplast fragments is reduced in the presence of spinach phosphodoxin; the light-induced electron-spin-resonance spectrum of spinach chloroplast fragments is increased in the presence of spinach phosphodoxin; and spinach phosphodoxin alone exhibits a pH-dependent,
John J. Heise +2 more
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Preservation of spinach by isochoric (constant volume) freezing
, 2020Efforts are currently directed towards improving the quality of vegetables after freezing and thawing. One of the methods under investigation is isochoric freezing.
C. Bilbao‐Sainz +12 more
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South Atlantic Quarterly, 2008
This essay examines media accounts of the 2006 E. coli contamination of bagged spinach to piece together a forensics that demonstrates both the real and symbolic meanings of contamination. Following the path of production from field to processing plant and then to supermarket shelf, the essay maps a landscape of policed spaces and borders that have as ...
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This essay examines media accounts of the 2006 E. coli contamination of bagged spinach to piece together a forensics that demonstrates both the real and symbolic meanings of contamination. Following the path of production from field to processing plant and then to supermarket shelf, the essay maps a landscape of policed spaces and borders that have as ...
openaire +2 more sources
Functional properties of spinach (Spinacia oleracea L.) phytochemicals and bioactives.
Food & Function, 2016Overwhelming evidence indicates that diets rich in fruits and vegetables are protective against common chronic diseases, such as cancer, obesity and cardiovascular disease.
Joseph L. Roberts, R. Moreau
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Calcium absorbability from spinach
The American Journal of Clinical Nutrition, 1988The absorbability of calcium from spinach was compared with the absorbability of Ca from milk in 13 healthy adults in a randomized cross-over design in which the test meal of either milk or spinach had 200 mg of Ca labeled with 45Ca. Absorption was measured by the standard double-isotope method in which both the test food and the miscible Ca pool are ...
Robert P. Heaney +2 more
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Utilization of zeolites in spinach growing
Zeolites, 1984Various zeolites obtained by hydrothermal synthesis from Lipari pumice have been tested as soil conditioners in spinach-growing. The results of germinability and yield are compared with those of a traditional reference culture. Direct addition of zeolites to the soil results in increased germinability of spinach seed relative to controls.
N. Burriesci +4 more
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Phytochemistry, 1981
Abstract Two soluble hexokinases and a particulate hexokinase have been separated and partially purified from spinach leaves. One of the soluble hexokinases showed a high affinity for glucose ( K m = 63 μM) which was far greater than that for fructose ( K m = 9.1 mM).
Erwin Latzko +2 more
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Abstract Two soluble hexokinases and a particulate hexokinase have been separated and partially purified from spinach leaves. One of the soluble hexokinases showed a high affinity for glucose ( K m = 63 μM) which was far greater than that for fructose ( K m = 9.1 mM).
Erwin Latzko +2 more
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Spinach protein factor and chlorophyllase
Planta, 19721. Spinach leaves contain a "Spinach Protein Factor" (SPF) which increases light sensitivity of colloidal chlorophylls in aqueous solution (Terpstra, 1967). SPF activity, measured in different fractions of spinach-leaf acetone-powder extracts obtained by gel filtration on DEAE- and CM-Sephadex, runs parallel with chlorophyllase activity.
A. C. M. Weijman, Willemke Terpstra
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Journal of Agricultural and Food Chemistry, 2018
The root knot nematode, Meloidogyne incognita (Kofoid and White) Chitwood, is a serious pest of tomato ( Solanum lycopersicum) and spinach ( Spinacea oleracea) in sub-Saharan Africa.
L. Murungi +5 more
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The root knot nematode, Meloidogyne incognita (Kofoid and White) Chitwood, is a serious pest of tomato ( Solanum lycopersicum) and spinach ( Spinacea oleracea) in sub-Saharan Africa.
L. Murungi +5 more
semanticscholar +1 more source
The aggregation states of spinach phosphoribulokinase
Planta, 1990Phosphoribulokinase (PRK; EC 2.1.7.19) is active in illuminated chloroplasts and inactive in darkened chloroplasts. This regulatory mechanism is mediated by thioredoxin-dependent reduction of a kinase disulfide in vivo. Extracts of spinach (Spinacia oleracea L.) leaves in the presence of 10 mM dithiothreitol contain a single 80-kDa form of PRK as ...
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