scholarly journals The potential of using low oxygen and ethyl formate or ethyl acetate to disinfest fresh fruit in storage

2013 ◽  
Vol 66 ◽  
pp. 45-53
Author(s):  
L.E. Jamieson ◽  
N.E.M. Page-Weir ◽  
A. Chhagan ◽  
P.G. Connolly ◽  
J. Poulton ◽  
...  
Keyword(s):  
Ethyl Acetate ◽  
Codling Moth ◽  
Ethyl Formate ◽  
Food Additive ◽  
Fresh Fruit ◽  
Low Oxygen ◽  
Cool Storage ◽  
Lightbrown Apple Moth

Low oxygen and/or generally recognised as safe (GRAS)/food additive (FA) treatments in combination with cool storage have the potential to disinfest a range of commodities of various pests This paper reports on research to determine the tolerance of second/third and fifth instar codling moth larvae fifth instar lightbrown apple moth larvae mixed stages of greedy scale and obscure mealybugs and diapausing twospotted mite adults to ultra low oxygen (ULO lt;05 O2) and ULO combined with two GRAS/ FA compounds ethyl acetate and ethyl formate ULO alone did not consistently enhance mortality of these pests compared with air cool storage However addition of 30005000 ppm of ethyl acetate or ethyl formate reduced the time taken to achieve 99 mortality from weeks or months to between 8 h and 5 days depending on the pest

scholarly journals The potential of ethyl formate carbon dioxide to control a range of horticultural pests

2013 ◽  
Vol 66 ◽  
pp. 54-62 ◽  
Author(s):  
M.J. Griffin ◽  
L.E. Jamieson ◽  
A. Chhagan ◽  
N.E.M. Page-Weir ◽  
J. Poulton ◽  
...  
Keyword(s):  
Frankliniella Occidentalis ◽  
Fresh Produce ◽  
Cydia Pomonella ◽  
Codling Moth ◽  
Ethyl Formate ◽  
Thrips Tabaci ◽  
Commercial Application ◽  
Ambient Temperatures ◽  
Pseudococcus Viburni ◽  
Lightbrown Apple Moth

Ethyl formate (EF) is a generally recognised as safe (GRAS) compound that can be applied as a fumigant to disinfest fresh produce This paper reports initial research to determine the dose responses of various pests to ethyl formatecarbon dioxide treatment during 1 2 3 and 4h treatments at ambient temperatures between 18 and 23C Thrips (mixtures of Thrips tabaci and Frankliniella occidentalis) on lupin flowers obscure mealybugs (Pseudococcus viburni) on potatoes and greedy scale (Hemiberlesia rapax) on potatoes were more susceptible than either lightbrown apple moth (Epiphyas postvittana) eggs on plastic and fifth instar larvae on apples or codling moth (Cydia pomonella) second/ third instars and fifth instars on apples Further efficacy studies are warranted to investigate the commercial viability of EFCO2 treatment of fresh produce against other pests effects on fruit quality and commercial application logistics

Efficacy of ethyl formate and ethyl acetate for the control of onion thrips (Thrips tabaci)

2007 ◽  
Vol 35 (2) ◽  
pp. 267-274 ◽  
Author(s):  
C. W. van Epenhuijsen ◽  
D. I. Hedderley ◽  
K. G. Somerfield ◽  
D. W. Brash
Keyword(s):  
Ethyl Acetate ◽  
Ethyl Formate ◽  
Thrips Tabaci ◽  
Onion Thrips

ChemInform Abstract: Acetylation and Formylation of Alcohols with Triphenylphosphine and Carbon Tetrabromide in Ethyl Acetate or Ethyl Formate.

ChemInform ◽  
2010 ◽  
Vol 29 (34) ◽  
pp. no-no
Author(s):  
H. HAGIWARA ◽  
K. MOROHASHI ◽  
H. SAKAI ◽  
T. SUZUKI ◽  
M. ANDO
Keyword(s):  
Ethyl Acetate ◽  
Ethyl Formate ◽  
Carbon Tetrabromide

Evaluation of a non-chemical disinfestation treatment on quality of pome fruit and mortality of lepidopterous pests

1999 ◽  
Vol 39 (3) ◽  
pp. 335 ◽  
Author(s):  
C. Chervin ◽  
S. L. Kreidl ◽  
P. R. Franz ◽  
A. J. Hamilton ◽  
S. R. Whitmore ◽  
...  
Keyword(s):  
Cold Storage ◽  
Life Stage ◽  
Cydia Pomonella ◽  
Cold Treatment ◽  
Codling Moth ◽  
Effective Control ◽  
Pome Fruit ◽  
Treatment Comparison ◽  
Lightbrown Apple Moth ◽  
Time Required

Australian pome fruit exports to northern America and Japan are rejected if they contain lightbrown apple moth (Epiphyas postvittana Walker) or codling moth (Cydia pomonella Linnaeus) respectively. A warm controlled atmosphere (CA) disinfestation treatment (72 h at 28˚C at 0, 1 or 2 kPa O2 ), followed by varying lengths of cold storage (5 weeks, 10 weeks or 6 months), is described. Four cultivars were studied: Packham’s Triumph pears (Pyrus communis Linnaeus); Royal Gala; Fuji and Pink Lady apples (Malus domestica Borkh.). Consumer panels found that fruit subjected to the 2 kPa O2 warm CA treatment and cold storage were as acceptable as control fruit. This is an important finding as previously published results for a harsher treatment described treated fruit (especially Pink Lady) as being less acceptable than controls. Some advanced ripening was observed for treated Packham’s Triumph pears. After 5 and 10 weeks cold storage, treated Royal Gala apples were generally firmer than the controls. Insects were also subjected to the 2 kPa O2 warm CA treatment. The most tolerant life stage (MTS) of lightbrown apple moth was the sixth instar with an LT95 of 37 days cold storage (0.5˚C) after the 2 kPa O2 warm CA treatment. Comparison with previous research suggests that the 2 kPa O2 warm CA treatment approximately halves the time required in cold storage for effective control of late instar lightbrown apple moth. A LT95 of 81 days was achieved for fifth instar codling moths (considered to be the MTS) and this may need to be reduced for export to Japan. Preliminary observations suggested that there may not be substantial difference between the resistance of non-diapausing and pre-diapausing codling moth larvae to the warm CA followed by cold treatment.

Excess molar volumes of (ethyl formate or ethyl acetate + 1-chloroalkane) at 298.15 K

1987 ◽  
Vol 32 (4) ◽  
pp. 464-466 ◽  
Author(s):  
Juan Ortega ◽  
Jose S. Matos ◽  
Maria I. Paz-Andrade ◽  
Josefa Fernandez
Keyword(s):  
Ethyl Acetate ◽  
Excess Molar Volumes ◽  
Ethyl Formate ◽  
Molar Volumes
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