Paper · 2013 · International Journal of Biological and Chemical Sciences

Determination of ochratoxin A levels in ivorian cocoa beans intended for exportation

A Coulibaly; A Dembele; HMG Biego; et al.

11
claims
11
verbatim quotes
2
citations
3
research areas
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Open access · cc-by-nc-sa

Abstract

The objective of this study is to monitor levels of ochratoxin A (OTA) in terms of the marketability of Ivorian cocoa beans stored at the ports of Abidjan and San Pedro. Thus, 270 samples of cocoa beans wereanalyzed. Merchantability and OTA levels were determined respectively according to the Ivorian Coffee and Cocoa stock exchange standards and the European Community regulation related to the analytical methods forthe control of mycotoxins levels in foodstuffs. As regards merchantability, a significant difference at 5% risk was revealed between the values of moisture, graining and grades. Arithmetic means for humidity wererespectively 6.7% and 6.5% for samples from the ports of Abidjan and San Pedro. The number of beans per 100 g of cocoa beans was 94 and 97 respectively for samples from ports of Abidjan and San Pedro. The classification in grades in terms of marketability indicates that respectively 87% and 89% of batches collected at ports of Abidjan and San Pedro can be marketed. Pertaining to OTA, no significant difference at 5% risk hasbeen revealed between the concentrations found in samples from both ports and between different grades. OTA concentrations obtained averaged out at respectively 0.87 ìg/kg and 0.94 ìg/kg of cocoa beans for Abidjan and San Pedro. Merchantability criteria and OTA levels in cocoa beans were loosely linked in view of flimsy values of squared correlation coefficients.

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Claims 11

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Cocoa bean moisture, graining and grades differed significantly.

Outcome
moisture, graining and gradese0
Value
5%e0

Not reportedTaxonDirection

Verbatim

e0

“As regards merchantability, a significant difference at 5% risk was revealed between the values of moisture, graining and grades”

✓ located verbatim in the source · abstract, characters 467–595 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Mean cocoa bean humidity was 6.7% at Abidjan.

Outcome
humiditye0
Value
6.7%e0
Setting
Abidjane0

Not reportedTaxon

Verbatim

e0

“Arithmetic means for humidity wererespectively 6.7% and 6.5% for samples from the ports of Abidjan and San Pedro”

✓ located verbatim in the source · abstract, characters 597–709 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Mean cocoa bean humidity was 6.5% at San Pedro.

Outcome
humiditye0
Value
6.5%e0
Setting
San Pedroe0

Not reportedTaxon

Verbatim

e0

“Arithmetic means for humidity wererespectively 6.7% and 6.5% for samples from the ports of Abidjan and San Pedro”

✓ located verbatim in the source · abstract, characters 597–709 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The Abidjan samples had 94 beans per 100 g.

Taxon
cocoa beanse0
Outcome
number of beans per 100 ge0
Value
94e0
Setting
Abidjane0

Verbatim

e0

“The number of beans per 100 g of cocoa beans was 94 and 97 respectively for samples from ports of Abidjan and San Pedro”

✓ located verbatim in the source · abstract, characters 711–830 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The San Pedro samples had 97 beans per 100 g.

Taxon
cocoa beanse0
Outcome
number of beans per 100 ge0
Value
97e0
Setting
San Pedroe0

Verbatim

e0

“The number of beans per 100 g of cocoa beans was 94 and 97 respectively for samples from ports of Abidjan and San Pedro”

✓ located verbatim in the source · abstract, characters 711–830 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Marketable batches comprised 87% at Abidjan.

Outcome
batches collectede0
Value
87%e0
Setting
Abidjane0

Not reportedTaxon

Verbatim

e0

“The classification in grades in terms of marketability indicates that respectively 87% and 89% of batches collected at ports of Abidjan and San Pedro can be marketed”

✓ located verbatim in the source · abstract, characters 832–997 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Marketable batches comprised 89% at San Pedro.

Outcome
batches collectede0
Value
89%e0
Setting
San Pedroe0

Not reportedTaxon

Verbatim

e0

“The classification in grades in terms of marketability indicates that respectively 87% and 89% of batches collected at ports of Abidjan and San Pedro can be marketed”

✓ located verbatim in the source · abstract, characters 832–997 · show in text ↑
Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Ochratoxin concentrations did not differ significantly by port or grade.

Outcome
OTAe0
Direction
no significant differencee0
Value
5%e0

Not reportedTaxon

Verbatim

e0

“Pertaining to OTA, no significant difference at 5% risk hasbeen revealed between the concentrations found in samples from both ports and between different grades”

✓ located verbatim in the source · abstract, characters 999–1160 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Abidjan cocoa beans averaged 0.87 ìg/kg ochratoxin.

Taxon
cocoa beanse0
Outcome
OTA concentrationse0
Value
0.87 ìg/kge0
Setting
Abidjane0

Verbatim

e0

“OTA concentrations obtained averaged out at respectively 0.87 ìg/kg and 0.94 ìg/kg of cocoa beans for Abidjan and San Pedro”

✓ located verbatim in the source · abstract, characters 1162–1285 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

San Pedro cocoa beans averaged 0.94 ìg/kg ochratoxin.

Taxon
cocoa beanse0
Outcome
OTA concentrationse0
Value
0.94 ìg/kge0
Setting
San Pedroe0

Verbatim

e0

“OTA concentrations obtained averaged out at respectively 0.87 ìg/kg and 0.94 ìg/kg of cocoa beans for Abidjan and San Pedro”

✓ located verbatim in the source · abstract, characters 1162–1285 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Merchantability and ochratoxin levels were weakly linked.

Taxon
cocoa beanse0
Outcome
Merchantability criteria and OTA levelse0
Direction
loosely linkede0
Qualifier
flimsy values of squared correlation coefficientse0

Not reportedSetting

Verbatim

e0

“Merchantability criteria and OTA levels in cocoa beans were loosely linked in view of flimsy values of squared correlation coefficients”

✓ located verbatim in the source · abstract, characters 1287–1422 · show in text ↑