Paper · 1991 · Starch - Stärke

Properties of Rice Starch from Paddy Stored in Cold and at Room Temperature

K. Rajendra Kumar; S. Zakiuddin Ali

6
claims
11
verbatim quotes
17
citations
1
research areas
—
Not open access

Abstract

Abstract Brabender viscograms of rice flour from aged paddy (stored at room temperature, RT 20°‐33°C for 15 months) of two high amylose finegrain cultivars showed higher paste viscosities than that from the paddy stored at 4°‐6°C (cold) for the same period. The differences were almost eliminated in case of isolated starches. The total amylose content was same for the starches from both aged (RT stored and cold stored) paddy. However, the hot water soluble amylose content was less in starches from „aged”︁ paddy. The number average molecular weight ( M n ) as well as the swelling power and solubility of the starches from RT stored (aged) paddy were also less indicating that the aging of rice could partly be associated with the changes in the physicochemical properties of its starch.

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Claims 6

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Warm stored paddy flour had higher paste viscosity than cold stored paddy flour.

Treatment
stored at room temperature, RT 20°‐33°C for 15 monthse0
Outcome
paste viscositiese0
Direction
highere0
Comparator
paddy stored at 4°‐6°C (cold)e0

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

“rice flour from aged paddy (stored at room temperature, RT 20°‐33°C for 15 months) of two high amylose finegrain cultivars showed higher paste viscosities than that from the paddy stored at 4°‐6°C (cold) for the same period.”

✓ located verbatim in the source · abstract, characters 33–257 · show in text ↑
Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Viscosity differences were almost eliminated in isolated starches.

Organ / stage
isolated starchese0
Outcome
differences were almost eliminatede0

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

“The differences were almost eliminated in case of isolated starches.”

✓ located verbatim in the source · abstract, characters 258–326 · show in text ↑
t0

“Rice Starch”

✓ located verbatim in the source · title, characters 14–25 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Total amylose content was the same between warm and cold stored paddy starch.

Treatment
RT storede0
Outcome
total amylose contente0
Direction
samee0
Comparator
cold storede0

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

“The total amylose content was same for the starches from both aged (RT stored and cold stored) paddy.”

✓ located verbatim in the source · abstract, characters 327–428 · show in text ↑
t0

“Rice Starch”

✓ located verbatim in the source · title, characters 14–25 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Hot water soluble amylose was lower in aged paddy starch.

Outcome
hot water soluble amylose contente0
Direction
lesse0

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

“the hot water soluble amylose content was less in starches from „aged”︁ paddy.”

✓ located verbatim in the source · abstract, characters 438–516 · show in text ↑
t0

“Rice Starch”

✓ located verbatim in the source · title, characters 14–25 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Number average molecular weight was lower in warm stored paddy starch.

Treatment
RT stored (aged)e0
Outcome
number average molecular weighte0
Direction
lesse0

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

“The number average molecular weight ( M n ) as well as the swelling power and solubility of the starches from RT stored (aged) paddy were also less”

✓ located verbatim in the source · abstract, characters 517–664 · show in text ↑
t0

“Rice Starch”

✓ located verbatim in the source · title, characters 14–25 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Swelling power and solubility were lower in warm stored paddy starch.

Treatment
RT stored (aged)e0
Outcome
swelling power and solubilitye0
Direction
lesse0

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

“The number average molecular weight ( M n ) as well as the swelling power and solubility of the starches from RT stored (aged) paddy were also less”

✓ located verbatim in the source · abstract, characters 517–664 · show in text ↑
t0

“Rice Starch”

✓ located verbatim in the source · title, characters 14–25 · show in text ↑

storage · quality: sugar starch · Oryza sativa (rice)Positive and negative results

10 papers: 1 positive, 9 negative or no effect

8 papers in the same direction as this paper · 1 reporting no difference from an alternative

  1. positive
  2. negative
  3. negative

6 papers more in this group

See all 10 papers →

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.