Abstract
SUMMARY: An automatic continuous‐flow sampling system for monitoring respiratory gas was developed. Continuous airflow at constant pressure and temperature was pumped through 24 chambers. The airflow was regulated by needle valves connected to 3‐way solenoids which sequentially switched the sample to a CO 2 infrared analyzer and recorder. A timing cycle was selected so that each sample was analyzed every 3 hr. The recorder was calibrated to read directly in percent CO 2 . Results were expressed as ml CO 2 /kg product/hr. The system was used to determine the respiratory activity of irradiated and nonirradiated citrus fruits. Irradiated fruits exhibited marked increases in CO 2 production reaching a maximum 1‐2 days after treatment then gradually declining. Waxing limited the production of CO 2 especially with irradiated fruits. All fruits were treated with sulfanilamide to prevent post irradiation infection by mold.
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Claims 3
Claim · model-written summary
An automatic sampling system monitored respiratory gases from 24 chambers every 3 hr.
CitrusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Continuous airflow at constant pressure and temperature was pumped through 24 chambers. The airflow was regulated by needle valves connected to 3‐way solenoids which sequentially switched the sample to a CO 2 infrared analyzer and recorder. A timing cycle was selected so that each sample was analyzed every 3 hr”
t0“Irradiated Citrus Fruits”
Claim · model-written summary
Irradiation increased fruit CO2 production, peaking 1–2 days after treatment and then declining.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irradiated fruits exhibited marked increases in CO 2 production reaching a maximum 1‐2 days after treatment then gradually declining”
t0“Irradiated Citrus Fruits”
Claim · model-written summary
Waxing limited CO2 production, especially in irradiated fruit.
- Treatment
- Waxinge0
- Outcome
- production of CO 2e0
- Direction
- limitede0
- Qualifier
- especially with irradiated fruitse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Waxing limited the production of CO 2 especially with irradiated fruits”
t0“Irradiated Citrus Fruits”
The same questions in other papers
radiation · physiology: respiration · CitrusPositive and negative results
1 in the opposite direction
- 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.