Abstract
Phaseolus vulgaris.L (var, Sidi Ferredj), a local fabaceae, (creation by the services of the technical institute of vegetable and industrial crops: ITCMI Algeria, after adaptation to the coastal soils), has proven its capability for tolerance to salt stress, through its phytochemical potential, allowing it to resist this abiotic constraint. The objective of our study was to highlight the metabolic capital, in particular the phenolic compounds synthesized by P. vulgaris.L (var, Sidi Ferredj), subjected to salt stress at different concentrations and to valorize this capital by antioxidant activity. Potting trials of the species, which were the subject of our study, were conducted in a greenhouse and under semi-controlled conditions, applying salt stress induced by irrigation with increasing salinity solutions. NaCl-based (0.50,100 and 200 meq.l-1) and a second one based on a combination of NaCl and CaCl2 salts (100 and 150 meq.l-1); the study was completed by the quantification of the phytochemical potential in response to this salinity stress, and which were total phenols, flavonoids and tannins . The antioxidant potential was assessed according to the DPPH test. The results obtained showed that the concentrations of NaCl (50 and 100 meq.l-1) stimulated the accumulation of phenolic compounds, with remarkable contents of total phenols, flavonoids and condensed tannins, unlike the concentration of 200 meq.l-1 NaCl, which appeared to be unfavourable and induced a reduction, particularly total phenols, while the antioxidant activity raised with the increase in salt stress.
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Claims 3
Claim · model-written summary
NaCl at 50 and 100 meq/l stimulated accumulation of phenolic compounds, including total phenols, flavonoids and condensed tannins.
- Taxon
- Phaseolus vulgaris
Phaseolus vulgarist0 - Treatment
- NaCl (50 and 100 meq.l-1)e1
- Outcome
- accumulation of phenolic compoundse1
- Direction
- stimulatede1
- Qualifier
- total phenols, flavonoids and condensed tanninse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Phaseolus vulgaris”
e1“the concentrations of NaCl (50 and 100 meq.l-1) stimulated the accumulation of phenolic compounds, with remarkable contents of total phenols, flavonoids and condensed tannins”
Claim · model-written summary
NaCl at 200 meq/l reduced total phenols.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Treatment
- 200 meq.l-1 NaCle2
- Outcome
- total phenolse2
- Direction
- reductione2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Phaseolus vulgaris”
e2“the concentration of 200 meq.l-1 NaCl, which appeared to be unfavourable and induced a reduction, particularly total phenols”
Claim · model-written summary
Antioxidant activity rose with increasing salt stress.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Treatment
- salt stresse3
- Outcome
- antioxidant activitye3
- Direction
- raisede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Phaseolus vulgaris”
e3“while the antioxidant activity raised with the increase in salt stress”
The same questions in other papers
sodium chloride · quality: phytochemicals · Phaseolus vulgaris (common bean)Positive and negative results
2 in the opposite direction
- no effect
- 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.