Abstract
Surface area of cucumbers, carrots, parsnips, and beets was determined using the following non-destructive methods: Baugerod's method, Baugerod's method with inclusion of a factor correcting for substitution of weight for volume in the formula, and a novel image analysis method. Accuracy of the methods was ascertained by comparison with a direct shrink-wrap replica method of surface area measurement. Vegetables ranged in shape from cylindrical (cucumber and carrot) to conical (parsnip and beet). No difference in accuracy among methods of surface area determination was detected for carrots or beets. Baugerod's method and the image analysis technique differed significantly from the direct shrink-wrap replica technique for surface area determination of parsnips and cucumbers, respectively. Inclusion of a correction factor in Baugerod's method did not increase the accuracy of this method for any of the vegetables. The precision and repeatability of each method was determined by repeated measures analysis. Baugerod's method lost precision and repeatability for the conically shaped vegetables. Conversely, the shrink-wrap replica method lost precision and repeatability for the cylindrically shaped vegetables. The image analysis technique was precise and highly repeatable over the range of vegetable shapes. The development of a rapid, accurate, and precise non-destructive method of surface area measurement using image analysis techniques will provide a useful tool in the physiological study of vegetable products. Applicability of such a method over a range of vegetable shapes will be of additional value.
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Claims 8
Claim · model-written summary
Method accuracy did not differ for carrots.
- Taxon
- carrots
Daucus carotae0 - Outcome
- accuracye0
- Direction
- No differencee0
- Comparator
- methods of surface area determinatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No difference in accuracy among methods of surface area determination was detected for carrots or beets.”
Claim · model-written summary
Method accuracy did not differ for beets.
- Taxon
- beets
Beta vulgarise0 - Outcome
- accuracye0
- Direction
- No differencee0
- Comparator
- methods of surface area determinatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No difference in accuracy among methods of surface area determination was detected for carrots or beets.”
Claim · model-written summary
Baugerod’s method differed significantly from the direct replica technique for parsnips.
- Taxon
- parsnips
Pastinaca sativae0 - Outcome
- surface area determinatione0
- Direction
- differede0
- Comparator
- direct shrink-wrap replica techniquee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Baugerod's method and the image analysis technique differed significantly from the direct shrink-wrap replica technique for surface area determination of parsnips and cucumbers, respectively.”
Claim · model-written summary
Image analysis differed significantly from the direct replica technique for cucumbers.
- Taxon
- cucumbers
Cucumis sativuse0 - Outcome
- surface area determinatione0
- Direction
- differede0
- Comparator
- direct shrink-wrap replica techniquee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Baugerod's method and the image analysis technique differed significantly from the direct shrink-wrap replica technique for surface area determination of parsnips and cucumbers, respectively.”
Claim · model-written summary
A correction factor did not increase Baugerod method accuracy for any vegetable.
Verbatim
e0“Inclusion of a correction factor in Baugerod's method did not increase the accuracy of this method for any of the vegetables.”
Claim · model-written summary
Baugerod’s method lost precision and repeatability for conically shaped vegetables.
Verbatim
e0“Baugerod's method lost precision and repeatability for the conically shaped vegetables.”
Claim · model-written summary
The replica method lost precision and repeatability for cylindrical vegetables.
Verbatim
e0“Conversely, the shrink-wrap replica method lost precision and repeatability for the cylindrically shaped vegetables.”
Claim · model-written summary
Image analysis was precise and highly repeatable across vegetable shapes.
Verbatim
e0“The image analysis technique was precise and highly repeatable over the range of vegetable shapes.”