Responses of <i>Nigella sativa</i> L. to Zinc Excess: Focus on Germination, Growth, Yield and Yield Components, Lipid and Terpene Metabolism, and Total Phenolics and Antioxidant Activities

Marichali, Ahmed; Dallali, Sana; Ouerghemmi, Saloua; Sebeï, Houcine; Casabianca, Hervé; Hosni, Karim

doi:10.1021/acs.jafc.6b00274

Cited by 29 publications

(25 citation statements)

References 54 publications

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“…Our results also showed a dramatically reduction in carotenoid contents in response to Zn excess as compared to other photosynthetic pigments. In addition, the significant decrease in chlorophyll contents (total chlorophyll (Chla + Chlb), Chla, and Chlb) seems to be more pronounced in Chlb than Chla, which is similar to the results of Marichali et al (2016) who reported that the content of photosynthetic pigments of Nigella sativum was significantly reduced as well as Chlb content, being this pigment more sensitive to Zn excess than Chla.…”

Section: Results Depicted Insupporting

confidence: 89%

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Growth, photosynthetic pigments, phenolic content and biological activities of Foeniculum vulgare Mill., Anethum graveolens L. and Pimpinella anisum L. (Apiaceae) in response to zinc

Majdoub

El-Guendouz

Rezgui

et al. 2017

Industrial Crops and Products

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We thank you for your e-mail of 24 July 2017 with the comments on our manuscript (MS) INDCRO-D-17-01815R2 on "Growth, photosynthetic pigments, phenols and in vitro biological activities of aqueous anise, dill and fennel extracts in response to 2 mM Zinc". We have read it carefully and we do understand most of the referee's comments. Please find bellow our reply and comments following each point raised by the reviewers. All corrections and additions performed in the MS text have been marked in blue. Reviewers' comments: Reviewer #1: The revised version of the manuscript INDCRO-D-17-01815R2 meets all the criteria of scientific work. Paper may be published after several technical corrections:-Suggestion for the title (please accept the proposal, the current version is incorrect): Growth, photosynthetic pigments, phenolic content and biological activities of Foeniculum vulgare Mill., Anethum graveolens L. and Pimpinella anisum L. (Apiaceae) in response to zinc RESPONSE:This proposal made by reviewer 1 was taken into account.

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Section: Results Depicted Insupporting

confidence: 89%

“…High amounts of zinc accumulated in plants leads to the induction of oxidative stress and, consequently, to the alteration of their physiological processes, according to the investigation made in model plants. Nevertheless this sort of research, using medicinal and aromatic plants is scarce (Marichali et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Growth, photosynthetic pigments, phenolic content and biological activities of Foeniculum vulgare Mill., Anethum graveolens L. and Pimpinella anisum L. (Apiaceae) in response to zinc

Majdoub

El-Guendouz

Rezgui

et al. 2017

Industrial Crops and Products

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“…Such results might be unexpected because Zn is considered to possess antioxidant property, since it works as a co-factor of some antioxidant defense enzymes (Marreiro et al, 2017). However, Ajina et al (2017) reported that Zn provided to infertile men with asthenozoospermia and asthenoteratozoospermia did not prevent sperm lipid peroxidation or more recently, some authors (Lee, 2018;Marichali et al, 2016) described that an excess of Zn may cause oxidative stress evidenced by increased lipid peroxidation products (MDA) due to its pro-oxidant activity leading to cellular death.…”

Section: Antioxidant and Anti-inflammatory Activitiesmentioning

confidence: 99%

“…On fact, the amounts of Zn consumed and its bioavailability can affect its intestinal absorption (Wang et al, 2015). Zn excess affects membrane integrity and permeability and induces oxidative stress via the generation of reactive oxygen species (RDS) which promotes the peroxidation of lipids (Marichali et al, 2016). Ot has been also reported that Zn toxicity reduces the survival rate of Escherichia coli, despite the proved role of Zn for microbes and other cell growth (Babich & Stotzky, 1978).…”

Section: Introductionmentioning

confidence: 99%

Zn treatment effects on biological potential of fennel bulbs as affected by in vitro digestion process

et al. 2020

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Zn treatment effects on the stability of polyphenols, MDA (malondialdehyde) content, antioxidant and lipoxygenase inhibition activities of two varieties of fennel bulbs were studied by using an in vitro gastrointestinal digestion model. Likewise, the effect of Zn on viability cells of E. coli was also performed. The results revealed that high amounts of total phenolic and flavonoid compounds were released during the digestion process, especially after the intestinal phase. Additionally, the antioxidant and lipoxygenase inhibitory activity were affected by the gastrointestinal digestion process and seems to be correlated with total phenol contents. Dn the other hand, the viability of E. coli was not affected by the activity of our tested bulbs during passage through the artificial digestion model, but the treated bulbs activity contribute relatively to the inhibition growth of bacteria. The survival of E. coli in fennel bulbs was challenged with simulated gastrointestinal fluids and the results showed that the E. coli strains, despite having experienced a viability reduction at the intestinal phase, were able to overcome the exposure to the gastrointestinal synthetic fluids. This E. coli ability reinforces the need for good hygienic measures to assure safe fresh produce, even for those that are rich in antibacterial compounds.

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“…Thus, the added nutrients effect on SDG depended mainly on either irrigation or fertilization treatments supporting their little contribution (3.17%, p ˂ 0.01, Table 2) to SDG variation under this trial. This can also be ascribed to that both humic acids and zinc applications can significantly increase phenolic compounds (Marichali et al, 2016, Schiavon et al, 2010, Song et al, 2015, but their interactions with other agronomical treatments may result in variations in phenolic contents.…”

Section: Effect Of Fertilization On Sdg Content and Yieldmentioning

confidence: 99%

Optimization of linseed cultivation, a promising way to enhance its secoisolariciresinol diglucoside lignan content

Senousy¹,

Gayed²,

Mostafa³

et al. 2019

ijrps

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There is strong evidence on the anticancer properties of secolariciresinol diglucoside (SDG), the predominant flaxseed lignan, especially for mammary and prostatic carcinomas. Although the effect of cultivar and location on flaxseed SDG level has been reported, much less is traced regarding the influence of agronomical treatments. The purpose of this study is to determine if agricultural management practices could enhance SDG accumulation in flaxseed. We studied the effect of irrigation frequencies (I), added nutrients (N, zinc and humic acid) and fertilization treatments (F) and their interactions on SDG level and seed yield of the Egyptian flax cultivar Giza 9. Samples were extracted and analyzed for SDG, after alkaline hydrolysis, using HPLC-UV method. The concentration of SDG and its yield varied between 415.55-845.95 mg/100 g whole seeds and 1.77-4.05 Kg/feddan on a dry weight basis, respectively according to different agricultural treatments. I, N and F factors and their interactions had a significant effect on SDG. I × N × F interaction contributed to the majority of SDG variation (31.81 %), followed by I factor (27.96 %), whereas seed yield was more affected by F factor (72.7 %). The I × F interaction was the only significant interaction on the seed yield contributing only for 0.43% of the variance. Moderate irrigation frequency with the humic acid foliar application and mineral nitrogen fertilizer was the best combination for achieving the highest SDG levels. Using optimum agronomic practice would benefit the nutraceutical industry by optimizing flaxseed lignan content and hence enhancing its anticancer, health-promoting effect.

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Responses of Nigella sativa L. to Zinc Excess: Focus on Germination, Growth, Yield and Yield Components, Lipid and Terpene Metabolism, and Total Phenolics and Antioxidant Activities

Cited by 29 publications

References 54 publications

Growth, photosynthetic pigments, phenolic content and biological activities of Foeniculum vulgare Mill., Anethum graveolens L. and Pimpinella anisum L. (Apiaceae) in response to zinc

Growth, photosynthetic pigments, phenolic content and biological activities of Foeniculum vulgare Mill., Anethum graveolens L. and Pimpinella anisum L. (Apiaceae) in response to zinc

Zn treatment effects on biological potential of fennel bulbs as affected by in vitro digestion process

Optimization of linseed cultivation, a promising way to enhance its secoisolariciresinol diglucoside lignan content

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