Abstract
To observe the effect of 30°C storage on microorganisms on irradiated rice, unpolished and polished rice harvested in Japan were used as the samples. The storage life of polyethylene-packed rice containing 14-15% moisture was extended by 3-4 times by means of 0.2 Mrad irradiation. The number of molds on the irradiated rice grains was not increased for 3-4 months under this condition. When the moisture in the rice sample was 17%, more than 0.4 Mrad was necessary to extend its storage life.The species of molds which can propagate on storage-rice grains containing 17% moisture were mainly Aspergillus glaucus group and Penicillium citrinum series, where Asp. restrictus, Asp. vercicolor, Asp. candidus, etc. were minor ones. When moisture content was 16%, Asp. glaucus group and Asp. restrictus were observed. Only the halophilic species of Asp. restrictus was the species of molds which propagated on the rice sample containing 14-15% moisture.When a sheet of porous material, e.g. craft paper bag, was used to pack rice, the storage life of rice containing the moisture of less than 15% was extended by 3-4 times by means 0.2 Mrad irradiation, the storage conditions being 30°C 75% relative humidity. In this case the number of molds on rice was not increased for 3-4 months under this condition.
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Claims 8
Claim · model-written summary
Irradiation at 0.2 Mrad extended the storage life of polyethylene-packed rice containing 14-15% moisture 3-4 times.
- Taxon
- rice
Oryza sativae1 - Treatment
- 0.2 Mrad irradiatione1
- Outcome
- storage lifee1
- Direction
- extendede1
- Value
- 3-4 timese1
- Qualifier
- polyethylene-packed rice containing 14-15% moisturee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The storage life of polyethylene-packed rice containing 14-15% moisture was extended by 3-4 times by means of 0.2 Mrad irradiation”
Claim · model-written summary
Mold numbers on irradiated rice grains were not increased for 3-4 months under the storage condition.
- Taxon
- riceOryza sativae2
- Treatment
- irradiatede2
- Outcome
- number of moldse2
- Direction
- not increasede2
- Value
- 3-4 monthse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The number of molds on the irradiated rice grains was not increased for 3-4 months under this condition”
Claim · model-written summary
At 17% moisture, more than 0.4 Mrad irradiation was needed to extend the storage life of rice.
- Taxon
- riceOryza sativae3
- Treatment
- more than 0.4 Mrade3
- Outcome
- storage lifee3
- Direction
- extende3
- Qualifier
- moisture in the rice sample was 17%e3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“When the moisture in the rice sample was 17%, more than 0.4 Mrad was necessary to extend its storage life”
Claim · model-written summary
Molds that propagated on rice grains at 17% moisture were mainly Aspergillus glaucus group and Penicillium citrinum series.
- Taxon
- riceOryza sativae4
- Interactor
- Aspergillus glaucus groupAspergillus glaucuse4other
- Second interactor
- Penicillium citrinum seriesPenicillium citrinume4other
- Outcome
- species of molds which can propagatee4
- Qualifier
- containing 17% moisturee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“The species of molds which can propagate on storage-rice grains containing 17% moisture were mainly Aspergillus glaucus group and Penicillium citrinum series”
Claim · model-written summary
At 16% moisture, Asp. glaucus group and Asp. restrictus were observed on rice.
- Taxon
- RiceOryza sativat0
- Interactor
- Asp. glaucus groupe5other
- Second interactor
- Asp. restrictuse5other
- Outcome
- were observede5
- Qualifier
- moisture content was 16%e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effect of Storage on Microorganisms on Gamma Irradiated Rice”
e5“When moisture content was 16%, Asp. glaucus group and Asp. restrictus were observed”
Claim · model-written summary
Only the halophilic species of Asp. restrictus propagated on rice containing 14-15% moisture.
- Taxon
- riceOryza sativae6
- Interactor
- halophilic species of Asp. restrictuse6other
- Outcome
- propagated on the rice samplee6
- Qualifier
- containing 14-15% moisturee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Only the halophilic species of Asp. restrictus was the species of molds which propagated on the rice sample containing 14-15% moisture”
Claim · model-written summary
Irradiation at 0.2 Mrad with porous craft paper bag packing extended the storage life of rice containing less than 15% moisture 3-4 times.
- Taxon
- riceOryza sativae7
- Treatment
- 0.2 Mrad irradiatione7
- Outcome
- storage lifee7
- Direction
- extendede7
- Value
- 3-4 timese7
- Qualifier
- porous material, e.g. craft paper bage7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“When a sheet of porous material, e.g. craft paper bag, was used to pack rice, the storage life of rice containing the moisture of less than 15% was extended by 3-4 times by means 0.2 Mrad irradiation”
Claim · model-written summary
With porous craft paper bag packing and 0.2 Mrad irradiation, mold numbers on rice were not increased for 3-4 months at 30°C and 75% relative humidity.
- Taxon
- riceOryza sativae5
- Treatment
- porous material, e.g. craft paper bage7
- Outcome
- number of moldse5
- Direction
- not increasede5
- Value
- 3-4 monthse5
- Qualifier
- 30°C 75% relative humiditye6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“When a sheet of porous material, e.g. craft paper bag, was used to pack rice”
e5“In this case the number of molds on rice was not increased for 3-4 months under this condition”
e6“the storage conditions being 30°C 75% relative humidity”
The same questions in other papers
radiation · quality: postharvest · Oryza sativa (rice)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
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.