Successive harvesting affects yield, chemical composition and antioxidant activity of Cichorium spinosum L.

Petropoulos, Spyridon Α.; Fernandes, Ângela; Karkanis, Anestis; Ntatsi, Georgia; Barros, Lillian; Ferreira, Isabel C.F.R.

doi:10.1016/j.foodchem.2017.05.092

Cited by 45 publications

(59 citation statements)

References 35 publications

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“…In addition, total fresh weight was higher when plants were harvested twice comparing to plants that were harvested only once for all the fertilizer treatments, whereas fresh weight for second harvest was significantly lower than that of the first harvest. Similar results have been reported by the authors (Petropoulos et al, 2017b) who evaluated the effect of successive harvesting on yield and chemical composition of C. spinosum leaves. Higher contents of ammonium nitrogen in the nutrient solution (treatments F4 and F5) had no beneficial effect in terms of fresh weight during the 2nd growing period, probably due to higher growth rates of plants during this period and the shorter growth cycles due to early anthesis, comparing to the 1st growing condition.…”

Section: Resultssupporting

confidence: 90%

“…Luna et al (2013) and Sofo et al (2016) have also suggested that antioxidant properties of lettuce may be affected by fertilization treatments and growing systems, while Fallovo et al (2011) have suggested that apart from nutrient solution composition, growing season may also affect chemical composition of lettuce. The detected phenolic compounds in C. spinosum leaves and have been previously reported by the authors (Petropoulos et al, 2017a(Petropoulos et al, , 2017b(Petropoulos et al, , 2017c. The same compounds have been identified in other cultivated Cichorium species (Carazzone et al, 2013;Ferioli et al, 2015).…”

Section: Tablesupporting

confidence: 81%

“…The higher content of phenolic acids than flavonoids has been also confirmed in other Cichorium species, such as C. endivia and C. intybus, by Ferioli et al (2015), while the authors (Petropoulos et al, 2017b) have reported a similar trend in C. spinosum plants grown under saline conditions. Considering the higher temperatures that prevailed during mid to late spring of the present study, plants were probably subjected to stress inducing conditions that could increase the biosynthesis of phenolic compounds (Fallovo et al, 2011), while Chatzigianni et al (2017) have already reported the induction of phenolic compounds biosynthesis under high concentration of nutrient solution (16 mmol L −1 ) and high amounts of ammonium nitrogen (50% of total nitrogen).…”

Section: Tablementioning

confidence: 59%

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Nutrient solution composition and growing season affect yield and chemical composition of Cichorium spinosum plants

Petropoulos

Fernandes

Karkanis

et al. 2018

Scientia Horticulturae

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A B S T R A C TNitrogen fertilizer form may affect quality and yield of leafy vegetables. In the present study, the effect of ammonium nitrogen rates on yield and chemical composition of Cichorium spinosum L. was examined. Five fertilizer treatments with different amounts of ammonium nitrogen (F1: 14%, F2: 24%, F3: 34%, F4: 43% and F5: 53% NH 4 -0N of total N) were applied. Fertilizer treatments had a significant effect on both plant fresh weight and chemical composition, depending on growing period and harvest stage. For both harvests of the 1st growing period, yield was higher in treatments F4 (43% NH 4 -N) and F5 (53% NH 4 -N), whereas in the 2nd growing period yield was higher for treatments F1, F2 and F3. Moreover, the highest content of total phenolics were recorded in the 2nd growing period. Antioxidant properties were also affected by fertilization treatments and growing periods, with antioxidant potency being higher in the 2nd growing period and for treatments F1 and F2. According to the results of the present study, nitrogen fertilizer form should be considered together with growing period and harvest stage as a useful means towards increasing the quality of the final product without compromising total yield.

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Section: Resultssupporting

confidence: 90%

Section: Tablesupporting

confidence: 81%

Section: Tablementioning

confidence: 59%

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Nutrient solution composition and growing season affect yield and chemical composition of Cichorium spinosum plants

Petropoulos

Fernandes

Karkanis

et al. 2018

Scientia Horticulturae

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“…Palmitic acid (C16:0) and palmitoleic acid (C16:1) constituted, on average, 74.8% and 75% of the SFA and MUFA, respectively; oleic acid (C18:1 n 9c) was the second most abundant (22.7% on average) MUFA, whereas α ‐linolenic acid (C18:3 n 3) constituted the primary (80.8%) PUFA and fatty acid in general, followed by linoleic acid (C18:2 n 6c), which represented 18.8% of the PUFA. Overall, the observed fatty acid composition was similar to the fatty acid profile reported for different ecotypes of C. spinosum and C. spinosum harvested at different times . Although a lower omega‐6/omega‐3 fatty acids ratio was observed in the present study compared to that reported by Petropoulos et al .…”

Section: Resultssupporting

confidence: 89%

Chemical composition and bioactive properties of Cichorium spinosum L. in relation to nitrate/ammonium nitrogen ratio

et al. 2019

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BACKGROUND Nitrogenous fertilizers may affect the yield and quality of leafy vegetables via the application rate and nitrogen form. In the present study, the effect of the nitrate:ammonium nitrogen ratio in the nutrient solution on the chemical composition and bioactive properties of Cichorium spinosum leaves was evaluated. For this purpose, C. spinosum plants were fertigated with nutrient solution containing different ratios of nitrate: ammonium nitrogen: (i) 100:0 NO3‐N:NH4‐N; (ii) 75:25 NO3‐N:NH4‐N; (iii) 50:50 NO3‐N:NH4‐N; (iv) 25:75 NO3‐N:NH4‐N; and (v) 0:100 NO3‐N:NH4‐N of total nitrogen; as well as (vi) 100% ureic nitrogen. RESULTS The only detected tocopherol isoforms were α‐ and δ‐tocopherol, which were positively affected by nitrate nitrogen (100:0 NO3‐N:NH4‐N). Similar results were observed for individual and total organic acids. The main detected sugars were fructose, glucose and sucrose, with a varied effect of nutrient solution composition on their content, whereas total sugar concentration was positively affected by a balanced or a slightly increased proportion of NH4‐N (50:50 and 25:75 NO3‐N:NH4‐N). The fatty acids profile was beneficially affected by the highest NH4‐N ratio (0:100 NO3‐N:NH4‐N), whereas higher amounts of NO3− than NH4+ nitrogen (75:25 NO3‐N:NH4‐N) resulted in a higher content of total phenolic compounds. Finally, no cytotoxic effects were observed against non‐tumor (PLP2, HeLa) and tumor (HepG2, MCF‐7, NCI‐H460) cell lines for any of the studied nutrient solutions. CONCLUSION The modulation of NO3‐N:NH4‐N ratio in the nutrient solution supplied to C. spinosum may enhance the content of desirable health‐promoting compounds and reduce the content of antinutrients, thus increasing the overall quality of the final product without compromising yield. © 2019 Society of Chemical Industry

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“…In addition, successive harvesting has also been one of the factors that affects chemical properties and dry matter yield of medicinal plants. Frequent harvesting has been reported to affect the phytochemical contents and antioxidant activities of Stevia rebaudiana Bertoni (Tavarini et al, 2015) and Chicorium spinosum L. (Petropoulos et al, 2017). Successive harvesting at 35-day and 30-day interval has been found to decrease the dry matter yield of Moringa oleifera Lam (Amaglo et al, 2007) and Talinum triangulare (Jacq.)…”

Section: Introductionmentioning

confidence: 99%

Effects of Fertilizer Application and Successive Harvesting on Clipping Yield, Phytochemical Contents and Antioxidant Activity of Cynodon dactylon (L.) Pers.

2018

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The present study aimed to investigate the effects of fertilizer application and successive harvesting on phytochemical contents and antioxidant activities of Cynodon dactylon, a medicinal Bermuda grass in Sabah (Malaysia). Three fertilizers of two nitrogen concentrations were used in the experiment. The grass was harvested successively three times at five-weeks interval. Grass treated with 25 kg N/ha/month from the first harvest was found to have the highest clipping yield. Successive harvesting decreased the dry matter production of the grass irrespective of N concentration applied. Total saponin and alkaloid contents of the grass were increased by a combination treatment of fertilizer type × rate × harvesting; total flavonoid content was increased by fertilizer type × harvesting treatments; however, total phenolic content was not affected by any of the treatment or combination of the treatments. Both of the antioxidant assays (DPPH and FRAP) indicated that antioxidant activity of the grass was increased by fertilizer rate × harvesting treatments. There was a significant correlation found between total phenolic and flavonoid contents and antioxidant activities, suggesting that these two secondary metabolites may contribute to the antioxidant property of the grass. Overall, the obtained data indicated that the described treatments could be used to manipulate the production and accumulation of bioactive compounds of C. dactylon.

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Successive harvesting affects yield, chemical composition and antioxidant activity of Cichorium spinosum L.

Cited by 45 publications

References 35 publications

Nutrient solution composition and growing season affect yield and chemical composition of Cichorium spinosum plants

Nutrient solution composition and growing season affect yield and chemical composition of Cichorium spinosum plants

Chemical composition and bioactive properties of Cichorium spinosum L. in relation to nitrate/ammonium nitrogen ratio

Effects of Fertilizer Application and Successive Harvesting on Clipping Yield, Phytochemical Contents and Antioxidant Activity of Cynodon dactylon (L.) Pers.

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