Macronutrient deprivation eustress elicits differential secondary metabolites in red and green-pigmented butterhead lettuce grown in a closed soilless system
Abstract
BACKGROUND: Through precise control of the nutrient solution (NS), closed soilless systems enable targeted manipulation of plant secondary metabolites, which constitute health‐promoting components of the human daily diet. A nutrient film technique (NFT) system was employed to assess the effect of NS macronutrient‐based concentration (full, half‐, and quarter‐strength corresponding to electrical conductivity (EC) of 1.5, 0.75, and 0.5 dS m−1) on the bioactive profile of red and green‐pigmented Salanova® butterhead lettuce. RESULTS: Half‐strength NS reduced fresh biomass of both cultivars by 14%, whereas quarter‐strength NS reduced the fresh biomass of green and red Salanova by 24% and 38%, respectively. However, moderate nutrient stress (half‐strength NS) boosted red Salanova total ascorbic acid, chlorogenic, chicoric, caffeoyl‐meso‐tartaric, total phenolic acids, and anthocyanins concentrations by 266%, 199%, 124%, 251%, 162%, and 380%, respectively compared with the control, full‐strength NS. CONCLUSIONS: Nutritional eustress and appropriate cultivar selection are effective means to increase phytochemical content and optimize year‐round production of lettuce in closed soilless systems. © 2019 Society of Chemical Industry
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The inverse K-Na relationship can be interpreted as a result of K shortage, with Na substituting K in non-specific functions such as vacuolar osmotic potential maintenance.
“This behavior can be interpreted as a result of a K shortage, with Na substituting K in non-specific functions like vacuolar osmotic potential maintenance [27].”
From Mars Regolith Simulant Ameliorated by Compost as in situ Cultivation Substrate Improves Lettuce Growth and Nutritional Aspects (2020) · cites this paper as [27]
Nutritional chemical eustress such as moderate salinity and nutrient deficiency can positively trigger physiological responses and improve vegetables' nutritional value.
“nutritional chemical eustress like moderate salinity and nutrient deficiency can positively trigger physiological responses, improving vegetables’ nutritional value [25,26,27]”
From Mars Regolith Simulant Ameliorated by Compost as in situ Cultivation Substrate Improves Lettuce Growth and Nutritional Aspects (2020) · cites this paper as [27]
A diverse modulation pattern of polyphenols in both cultivars was also noted in El-Nakhel et al.'s work.
“Such a diverse modulation pattern of polyphenols in both cultivars was also noted in El-Nakhel et al.’s [27] work”
From Mars Regolith Simulant Ameliorated by Compost as in situ Cultivation Substrate Improves Lettuce Growth and Nutritional Aspects (2020) · cites this paper as [27]
A dense bioactive profile has been proven for red Salanova in previous studies.
“Such dense bioactive profile was as well proven for red Salanova in previous studies [9,21,27,38,51].”
From Mars Regolith Simulant Ameliorated by Compost as in situ Cultivation Substrate Improves Lettuce Growth and Nutritional Aspects (2020) · cites this paper as [27]
Cites
Rouphael, Y., Cardarelli, M., Lucini, L., Rea, E., & Colla, G. (2012) · HortScience · doi:10.21273/hortsci.47.10.1424 · Cited by 64 · see citing works
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Duri, L. G., El-Nakhel, C., Caporale, A. G., Ciriello, M., Graziani, G., Pannico, A., Palladino, M., Ritieni, A., De Pascale, S., Vingiani, S., et al. (2020) · Plants · doi:10.3390/plants9050628 · Cited by 47 · see citing works
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- Authors
- El‐Nakhel, C., Pannico, A., Kyriacou, M. C., Giordano, M., De Pascale, S., & Rouphael, Y.
- Affiliations
- University of Naples Federico II (IT)
- Agruicultural Research Institute (CY)
- Department of Agricultural Sciences University of Naples Federico II Portici Italy
- Corresponding author
- Rouphael, Youssef
- Venue
- Journal of the Science of Food and Agriculture
- Publisher
- Wiley
- Published
- 2019-09-09
- Volume
- 99
- Issue
- 15
- Pages
- 6962-6972
- ISSN
- 0022-5142 (ISSN-L)
- 1097-0010
- OpenAlex
- W2968086399
- Cited by
- 71
- References
- 1
- Citations by year
- 2026: 2 · 2025: 8 · 2024: 8 · 2023: 11 · 2022: 10 · 2021: 11 · 2020: 19 · 2019: 2
- FWCI
- 8.97
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of the Science of Food and Agriculture (publishedVersion)
- PubMed (publishedVersion)
- Padua Research Archive (University of Padova) (submittedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Innovations in Aquaponics and Hydroponics Systems
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Plant Growth and Agriculture Techniques
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Growth and nutrition in plants
- Keywords
- eustress, butterhead lettuce, nutrient film technique, secondary metabolites, anthocyanins, phenolic acids, vitamin C, chlorogenic acid, chicoric acid, cultivar differences, nutrient solution strength, biomass reduction, phytochemicals
- MeSH terms
- Nutrients, Anthocyanins, Ascorbic Acid, Phenols, Plant Leaves, Hydroponics, Lactuca, Phytochemicals, Secondary Metabolism
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