Paper · 2014 · Anhui nongye kexue

Effects of Different Drying Methods on the Vc Content of Papayas

Min Li

6
claims
11
verbatim quotes
0
citations
3
research areas
—
Not open access

Abstract

[Objective]Master the effects of different drying methods on vitamin C in papayas. [Method]The different drying methods include simple hot air drying,vacuum drying,combination of hot air and freeze drying,combination of vacuum and freeze drying,use 2,6-dichloro phenol indophenol titration method to test the content of vitamin C in papaya. [Result]The experimental results show that vitamin C content extract from dried papaya is less than that from fresh papaya; vitamin C loss in hot air drying condition is the most serious,the loss rate can reach more than 85%; Low-temperature vacuum drying method can decrease the loss of vitamin C,the loss rate is about 20%. Among these,vitamin C loss in combination of vacuum and freeze drying method is the least,vitamin C content can reach 449. 2 mg / kg and the loss rate is only 4. 66%. [Conclusion]So,only with the combination of vacuum and freeze drying method,will the vitamin C content have the least loss and industrial application value and prospect.

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Claims 6

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Dried papaya contained less vitamin C than fresh papaya.

Taxon
papayaCarica papayae0
Treatment
dried papayae0
Outcome
vitamin C contente0
Direction
less thane0
Comparator
fresh papayae0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Carica papaya
Carica papaya · TaxonCarlquist, Sherwin John, 1930-2021 · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“vitamin C content extract from dried papaya is less than that from fresh papaya”

✓ located verbatim in the source · abstract, characters 384–463 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Hot air drying caused the greatest vitamin C loss, exceeding 85%.

Taxon
PapayasCarica papayat0
Treatment
hot air dryinge0
Outcome
vitamin C losse0
Direction
most seriouse0
Value
more than 85%e0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Carica papaya
Carica papaya · TaxonCarlquist, Sherwin John, 1930-2021 · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“vitamin C loss in hot air drying condition is the most serious,the loss rate can reach more than 85%”

✓ located verbatim in the source · abstract, characters 465–565 · show in text ↑
t0

“Papayas”

✓ located verbatim in the source · title, characters 57–64 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Low-temperature vacuum drying reduced vitamin C loss to about 20%.

Taxon
PapayasCarica papayat0
Treatment
Low-temperature vacuum drying methode0
Outcome
loss of vitamin Ce0
Direction
decreasee0
Value
about 20%e0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Carica papaya
Carica papaya · TaxonCarlquist, Sherwin John, 1930-2021 · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Low-temperature vacuum drying method can decrease the loss of vitamin C,the loss rate is about 20%”

✓ located verbatim in the source · abstract, characters 567–665 · show in text ↑
t0

“Papayas”

✓ located verbatim in the source · title, characters 57–64 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Vacuum plus freeze drying had the least vitamin C loss, 4.66%.

Taxon
PapayasCarica papayat0
Treatment
combination of vacuum and freeze drying methode0
Outcome
vitamin C losse0
Direction
leaste0
Value
4. 66%e0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Carica papaya
Carica papaya · TaxonCarlquist, Sherwin John, 1930-2021 · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“vitamin C loss in combination of vacuum and freeze drying method is the least,vitamin C content can reach 449. 2 mg / kg and the loss rate is only 4. 66%”

✓ located verbatim in the source · abstract, characters 679–832 · show in text ↑
t0

“Papayas”

✓ located verbatim in the source · title, characters 57–64 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Vacuum plus freeze drying retained vitamin C content of 449.2 mg/kg.

Taxon
PapayasCarica papayat0
Treatment
combination of vacuum and freeze drying methode0
Outcome
vitamin C contente0
Direction
can reache0
Value
449. 2 mg / kge0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Carica papaya
Carica papaya · TaxonCarlquist, Sherwin John, 1930-2021 · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“vitamin C loss in combination of vacuum and freeze drying method is the least,vitamin C content can reach 449. 2 mg / kg and the loss rate is only 4. 66%”

✓ located verbatim in the source · abstract, characters 679–832 · show in text ↑
t0

“Papayas”

✓ located verbatim in the source · title, characters 57–64 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommended vacuum plus freeze drying for the least loss and industrial use.

Taxon
PapayasCarica papayat0
Outcome
combination of vacuum and freeze drying methode0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Carica papaya
Carica papaya · TaxonCarlquist, Sherwin John, 1930-2021 · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“only with the combination of vacuum and freeze drying method,will the vitamin C content have the least loss and industrial application value and prospect”

✓ located verbatim in the source · abstract, characters 849–1002 · show in text ↑
t0

“Papayas”

✓ located verbatim in the source · title, characters 57–64 · show in text ↑

processing · quality: phytochemicals · Carica papaya (papaya)Results agree

6 papers: 6 positive, 0 negative or no effect

5 papers in the same direction as this paper

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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.