Abstract
Color, ethylene production and respiration of broccoli ( Brassica oleracea L. var. italica) dipped in hot water (45 °C, 10 minutes; 47 °C, 7.5 minutes; and 20 °C, 10 minutes as control) were measured. Hot-water treatment (HWT) delayed yellowing. Compared to the control, ethylene production and respiration in broccoli dipped at 45 °C decreased but recovered, and rates of both were enhanced after 24 and 48 hours, respectively, at 20 °C in darkness. There was no recovery of ethylene production or respiration in broccoli dipped at 47 °C. Following HWT of 47 °C for 7.5 minutes, respiration, starch, sucrose, and soluble protein content of florets and stems decreased dramatically during the first 10 to 24 hours after harvest. At the same time, fructose contents in florets and stems increased. Glucose increased in the florets but decreased within 24 hours in stems. Thereafter, glucose and fructose in florets and stems decreased. Sucrose content in florets and stems increased dramatically within a short period of treatment (<10 hours) and then declined. Protein in HWT florets and stems decreased during the first 24 hours and then increased until 72 hours. Ammonia content was lower in HWT broccoli during the first 24 hours and then increased above the level in the controls.
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Claims 11
Claim · model-written summary
Hot water delayed broccoli yellowing.
- Taxon
- Broccoli
Brassica oleracea var. italicat0 - Treatment
- Hot-water treatmente0
- Outcome
- yellowinge0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Hot-water treatment (HWT) delayed yellowing.”
t0“Broccoli”
Claim · model-written summary
At 45 °C, broccoli ethylene production and respiration fell and later rose above control rates.
- Taxon
- broccoliBrassica oleracea var. italicae0
- Treatment
- dipped at 45 °Ce0
- Outcome
- ethylene production and respiratione0
- Direction
- decreased but recoverede0
- Qualifier
- after 24 and 48 hours, respectively, at 20 °C in darknesse0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared to the control, ethylene production and respiration in broccoli dipped at 45 °C decreased but recovered, and rates of both were enhanced after 24 and 48 hours, respectively, at 20 °C in darkness.”
Claim · model-written summary
Broccoli dipped at 47 °C showed no recovery of ethylene production or respiration.
- Taxon
- broccoliBrassica oleracea var. italicae0
- Treatment
- dipped at 47 °Ce0
- Outcome
- recovery of ethylene production or respiratione0
- Direction
- no recoverye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no recovery of ethylene production or respiration in broccoli dipped at 47 °C.”
Claim · model-written summary
After 47 °C treatment, respiration, starch, sucrose and soluble protein declined sharply in florets and stems within 10–24 hours.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- florets and stemse0
- Treatment
- HWT of 47 °C for 7.5 minutese0
- Outcome
- respiration, starch, sucrose, and soluble protein contente0
- Direction
- decreased dramaticallye0
- Qualifier
- during the first 10 to 24 hours after harveste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Following HWT of 47 °C for 7.5 minutes, respiration, starch, sucrose, and soluble protein content of florets and stems decreased dramatically during the first 10 to 24 hours after harvest.”
t0“Broccoli”
Claim · model-written summary
Fructose increased in florets and stems after hot-water treatment.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- florets and stemse0
- Treatment
- Hot Watert0
- Outcome
- fructose contentse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At the same time, fructose contents in florets and stems increased.”
t0“Broccoli Dipped in Hot Water”
Claim · model-written summary
Glucose increased in florets after hot-water treatment.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- floretse0
- Treatment
- Hot Watert0
- Outcome
- Glucosee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glucose increased in the florets but decreased within 24 hours in stems.”
t0“Broccoli Dipped in Hot Water”
Claim · model-written summary
Glucose decreased in stems within 24 hours after hot-water treatment.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- stemse0
- Treatment
- Hot Watert0
- Outcome
- Glucosee0
- Direction
- decreasede0
- Qualifier
- within 24 hourse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glucose increased in the florets but decreased within 24 hours in stems.”
t0“Broccoli Dipped in Hot Water”
Claim · model-written summary
Glucose and fructose subsequently decreased in florets and stems.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- florets and stemse0
- Outcome
- glucose and fructosee0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Thereafter, glucose and fructose in florets and stems decreased.”
t0“Broccoli”
Claim · model-written summary
Sucrose in florets and stems rose soon after treatment and then declined.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- florets and stemse0
- Outcome
- Sucrose contente0
- Direction
- increased dramaticallye0
- Qualifier
- and then declinede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sucrose content in florets and stems increased dramatically within a short period of treatment (<10 hours) and then declined.”
t0“Broccoli”
Claim · model-written summary
Protein in treated florets and stems decreased first and then increased through 72 hours.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- florets and stemse0
- Treatment
- HWTe0
- Outcome
- Proteine0
- Direction
- decreasede0
- Qualifier
- and then increased until 72 hourse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Protein in HWT florets and stems decreased during the first 24 hours and then increased until 72 hours.”
t0“Broccoli”
Claim · model-written summary
Ammonia was initially lower in treated broccoli and then exceeded control.
- Taxon
- broccoliBrassica oleracea var. italicae0
- Treatment
- HWTe0
- Outcome
- Ammonia contente0
- Direction
- lowere0
- Qualifier
- and then increased above the level in the controlse0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ammonia content was lower in HWT broccoli during the first 24 hours and then increased above the level in the controls.”
The same questions in other papers
heat · disease · Brassica oleracea (wild cabbage)Positive and negative results
9 papers in the same direction as this paper · 3 in the opposite direction
- negative
- negative
- no effect
9 papers more in this group
See all 13 papers →heat · physiology: osmolytes · Brassica oleracea (wild cabbage)Results agree
1 paper in the same direction as this paper
- negative
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.