Abstract
Abstract Bacterial volatile organic compounds (BVOCs) are biological volatiles that can have a positive effect on the postharvest preservation of fruits and vegetables. In the present study, fumigation of broccoli with BVOCs released by Lysinibacillus fusiformis supplemented with light‐emitting diode (LED) white light irradiation reduced the accumulation of reactive oxygen species in broccoli during senescence, enhanced the synthesis and accumulation of antioxidant substances, and increased antioxidant enzyme activity in stored broccoli. Compared to the control group (CK), transcriptomic and metabolic analyses of the composite treatment group (LED‐BVOCs) on the 4 days of storage identified 3/1, 7/0, 1/1, 20/6, and 6/1 differentially expressed genes (DEGs)/differentially abundant metabolites in metabolic pathways related to ascorbic acid, glutathione, glucosinolate, polyphenols, and methionine, respectively, and there were 4 DEGs involved in the regulation of senescence during ethylene signal transduction. It is evident that LED‐BVOCs treatment can effectively regulate the metabolic processes of antioxidants in broccoli during storage. Overall, the LED‐BVOCs treatment improved the antioxidant capacity and reduced ethylene production in stored broccoli, thus delaying senescence. Our study provides new insights on the ability of using BVOCs as biopreservatives to improve the antioxidant capacity and delay senescence of broccoli during storage.
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Claims 12
Claim · model-written summary
Combined treatment reduced reactive oxygen species accumulation during broccoli senescence.
- Taxon
- broccoli
Brassica oleracea var. italicae0 - Treatment
- BVOCs released by Lysinibacillus fusiformis supplemented with light‐emitting diode (LED) white light irradiatione0
- Interactor
- Lysinibacillus fusiformisLysinibacillus fusiformise0other
- Outcome
- accumulation of reactive oxygen speciese0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fumigation of broccoli with BVOCs released by Lysinibacillus fusiformis supplemented with light‐emitting diode (LED) white light irradiation reduced the accumulation of reactive oxygen species in broccoli during senescence”
Claim · model-written summary
Combined treatment enhanced synthesis and accumulation of antioxidant substances.
- Taxon
- broccoliBrassica oleracea var. italicat0
- Treatment
- Bacterial volatile organic compoundst0
- Outcome
- synthesis and accumulation of antioxidant substancese0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“enhanced the synthesis and accumulation of antioxidant substances”
t0“Bacterial volatile organic compounds supplemented with light‐emitting diode lighting enhance antioxidant capacity and delay senescence in broccoli”
Claim · model-written summary
Combined treatment increased antioxidant enzyme activity.
- Taxon
- broccoliBrassica oleracea var. italicae0
- Treatment
- Bacterial volatile organic compoundst0
- Outcome
- antioxidant enzyme activitye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased antioxidant enzyme activity in stored broccoli.”
t0“Bacterial volatile organic compounds supplemented with light‐emitting diode lighting enhance antioxidant capacity and delay senescence in broccoli”
Claim · model-written summary
Compared with controls, LED-BVOCs produced 3 differentially expressed genes and 1 metabolite in ascorbic acid pathways.
- Taxon
- broccoliBrassica oleracea var. italicat0
- Outcome
- differentially expressed genes (DEGs)/differentially abundant metabolitese0
- Value
- 3/1e0
- Qualifier
- ascorbic acide0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“identified 3/1, 7/0, 1/1, 20/6, and 6/1 differentially expressed genes (DEGs)/differentially abundant metabolites in metabolic pathways related to ascorbic acid, glutathione, glucosinolate, polyphenols, and methionine, respectively”
t0“broccoli”
Claim · model-written summary
LED-BVOCs produced 7 differentially expressed genes and no differentially abundant metabolites in glutathione pathways.
- Taxon
- broccoliBrassica oleracea var. italicat0
- Outcome
- differentially expressed genes (DEGs)/differentially abundant metabolitese0
- Value
- 7/0e0
- Qualifier
- glutathionee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“identified 3/1, 7/0, 1/1, 20/6, and 6/1 differentially expressed genes (DEGs)/differentially abundant metabolites in metabolic pathways related to ascorbic acid, glutathione, glucosinolate, polyphenols, and methionine, respectively”
t0“broccoli”
Claim · model-written summary
LED-BVOCs produced 1 differentially expressed gene and 1 metabolite in glucosinolate pathways.
- Taxon
- broccoliBrassica oleracea var. italicat0
- Outcome
- differentially expressed genes (DEGs)/differentially abundant metabolitese0
- Value
- 1/1e0
- Qualifier
- glucosinolatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“identified 3/1, 7/0, 1/1, 20/6, and 6/1 differentially expressed genes (DEGs)/differentially abundant metabolites in metabolic pathways related to ascorbic acid, glutathione, glucosinolate, polyphenols, and methionine, respectively”
t0“broccoli”
Claim · model-written summary
LED-BVOCs produced 20 differentially expressed genes and 6 metabolites in polyphenol pathways.
- Taxon
- broccoliBrassica oleracea var. italicat0
- Outcome
- differentially expressed genes (DEGs)/differentially abundant metabolitese0
- Value
- 20/6e0
- Qualifier
- polyphenolse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“identified 3/1, 7/0, 1/1, 20/6, and 6/1 differentially expressed genes (DEGs)/differentially abundant metabolites in metabolic pathways related to ascorbic acid, glutathione, glucosinolate, polyphenols, and methionine, respectively”
t0“broccoli”
Claim · model-written summary
LED-BVOCs produced 6 differentially expressed genes and 1 metabolite in methionine pathways.
- Taxon
- broccoliBrassica oleracea var. italicat0
- Outcome
- differentially expressed genes (DEGs)/differentially abundant metabolitese0
- Value
- 6/1e0
- Qualifier
- methioninee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“identified 3/1, 7/0, 1/1, 20/6, and 6/1 differentially expressed genes (DEGs)/differentially abundant metabolites in metabolic pathways related to ascorbic acid, glutathione, glucosinolate, polyphenols, and methionine, respectively”
t0“broccoli”
Claim · model-written summary
Four genes involved in senescence regulation were differentially expressed during ethylene signal transduction.
- Taxon
- broccoliBrassica oleracea var. italicat0
- Outcome
- DEGs involved in the regulation of senescencee0
- Value
- 4 DEGse0
- Qualifier
- ethylene signal transductione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there were 4 DEGs involved in the regulation of senescence during ethylene signal transduction.”
t0“broccoli”
Claim · model-written summary
LED-BVOCs improved antioxidant capacity in stored broccoli.
- Taxon
- broccoliBrassica oleracea var. italicae0
- Treatment
- LED‐BVOCs treatmente0
- Outcome
- antioxidant capacitye0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LED‐BVOCs treatment improved the antioxidant capacity and reduced ethylene production in stored broccoli, thus delaying senescence.”
Claim · model-written summary
LED-BVOCs reduced ethylene production in stored broccoli.
- Taxon
- broccoliBrassica oleracea var. italicae0
- Treatment
- LED‐BVOCs treatmente0
- Outcome
- ethylene productione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LED‐BVOCs treatment improved the antioxidant capacity and reduced ethylene production in stored broccoli, thus delaying senescence.”
Claim · model-written summary
LED-BVOCs delayed broccoli senescence.
- Taxon
- broccoliBrassica oleracea var. italicae0
- Treatment
- LED‐BVOCs treatmente0
- Outcome
- senescencee0
- Direction
- delayinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LED‐BVOCs treatment improved the antioxidant capacity and reduced ethylene production in stored broccoli, thus delaying senescence.”
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