Paper · 1981 · Journal of Texture Studies

TEXTURE CHANGES AND STORAGE OF RICE

CONSUELO M. PEREZ; BIENVENIDO O. JULIANO

8
claims
10
verbatim quotes
68
citations
2
research areas
—
Not open access

Abstract

Abstract Monthly texture assessments of seven milled rices, differing in amylose content and stored at 28–30°C, verified that three months was the minimum storage period for major changes to occur in hardness of cooked rice, gel consistency, and amylograph viscosity values. Therefore, texture measurements should be done on samples aged at least three months after harvest. Texture changes tend to be greatest for high‐amylose rice with hard gel consistency and least for waxy rice. Free fatty acids were highest in stored, waxy, milled rice. Storage under nitrogen instead of air had a slight retarding effect on storage changes of five rices in another study. Surface defatting with petroleum ether had little effect on storage change in cooked rice hardness and stickiness, but reduced the changes in gel consistency and amylograph setback and consistency.

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Claims 8

Observationobservedoriginal resultmeasured

Claim · model-written summary

At least three months of storage were needed for major changes in cooked-rice hardness, gel consistency and amylograph viscosity.

Outcome
hardness of cooked rice, gel consistency, and amylograph viscosity valuese0
Value
three monthse0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“three months was the minimum storage period for major changes to occur in hardness of cooked rice, gel consistency, and amylograph viscosity values”

✓ located verbatim in the source · abstract, characters 126–273 · show in text ↑
Recommendationobservedoriginal resultmeasured

Claim · model-written summary

The authors recommend texture measurements after at least three months of postharvest aging.

Outcome
texture measurements should be done on samples aged at least three months after harveste0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“texture measurements should be done on samples aged at least three months after harvest”

✓ located verbatim in the source · abstract, characters 286–373 · show in text ↑
t0

“RICE”

✓ located verbatim in the source · title, characters 31–35 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Texture changes were greatest in high-amylose rice with hard gel consistency.

Material
high‐amylose rice with hard gel consistencye0
Outcome
Texture changese0
Direction
greateste0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Texture changes tend to be greatest for high‐amylose rice with hard gel consistency”

✓ located verbatim in the source · abstract, characters 375–458 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Texture changes were least in waxy rice.

Material
waxy ricee0
Outcome
leaste0
Direction
leaste0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“least for waxy rice”

✓ located verbatim in the source · abstract, characters 463–482 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Free fatty acids were highest in stored waxy milled rice.

Material
waxy, milled ricee0
Outcome
Free fatty acidse0
Direction
higheste0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Free fatty acids were highest in stored, waxy, milled rice”

✓ located verbatim in the source · abstract, characters 484–542 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Nitrogen storage slightly retarded storage changes relative to air.

Taxon
ricesOryza sativae0
Treatment
Storage under nitrogene0
Outcome
storage changese0
Direction
retardinge0
Qualifier
five ricese0
Comparator
aire0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Storage under nitrogen instead of air had a slight retarding effect on storage changes of five rices”

✓ located verbatim in the source · abstract, characters 544–644 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Petroleum-ether surface defatting had little effect on changes in cooked-rice hardness and stickiness.

Treatment
Surface defatting with petroleum ethere0
Outcome
storage change in cooked rice hardness and stickinesse0
Direction
little effecte0

Not reportedComparator

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Surface defatting with petroleum ether had little effect on storage change in cooked rice hardness and stickiness”

✓ located verbatim in the source · abstract, characters 663–776 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Petroleum-ether surface defatting reduced changes in gel consistency and amylograph setback and consistency.

Outcome
changes in gel consistency and amylograph setback and consistencye0
Direction
reducede0

Not reportedTreatmentComparator

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“reduced the changes in gel consistency and amylograph setback and consistency”

✓ located verbatim in the source · abstract, characters 782–859 · show in text ↑
t0

“RICE”

✓ located verbatim in the source · title, characters 31–35 · show in text ↑