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d’Aquino L, Cozzolino R, Malorni L, Bodhuin T, Gambale E, Sighicelli M, Della Mura B, Matarazzo C, Piacente S, Montoro P. Light Flux Density and Photoperiod Affect Growth and Secondary Metabolism in Fully Expanded Basil Plants. Foods 2024; 13:2273. [PMID: 39063357 PMCID: PMC11275332 DOI: 10.3390/foods13142273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2024] [Revised: 07/12/2024] [Accepted: 07/16/2024] [Indexed: 07/28/2024] Open
Abstract
Indoor production of basil (Ocimum basilicum L.) is influenced by light spectrum, photosynthetic photon flux density (PPFD), and the photoperiod. To investigate the effects of different lighting on growth, chlorophyll content, and secondary metabolism, basil plants were grown from seedlings to fully expanded plants in microcosm devices under different light conditions: (a) white light at 250 and 380 μmol·m-2·s-1 under 16/8 h light/dark and (b) white light at 380 μmol·m-2·s-1 under 16/8 and 24/0 h light/dark. A higher yield was recorded under 380 μmol·m-2·s-1 compared to 250 μmol·m-2·s-1 (fresh and dry biomasses 260.6 ± 11.3 g vs. 144.9 ± 14.6 g and 34.1 ± 2.6 g vs. 13.2 ± 1.4 g, respectively), but not under longer photoperiods. No differences in plant height and chlorophyll content index were recorded, regardless of the PPFD level and photoperiod length. Almost the same volatile organic compounds (VOCs) were detected under the different lighting treatments, belonging to terpenes, aldehydes, alcohols, esters, and ketones. Linalool, eucalyptol, and eugenol were the main VOCs regardless of the lighting conditions. The multivariate data analysis showed a sharp separation of non-volatile metabolites in apical and middle leaves, but this was not related to different PPFD levels. Higher levels of sesquiterpenes and monoterpenes were detected in plants grown under 250 μmol·m-2·s-1 and 380 μmol·m-2·s-1, respectively. A low separation of non-volatile metabolites based on the photoperiod length and VOC overexpression under longer photoperiods were also highlighted.
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Affiliation(s)
- Luigi d’Aquino
- Italian National Agency for New Technologies Energy and Sustainable Economic Development (ENEA), Portici Research Centre, Piazzale E. Fermi 1, 80055 Portici, Italy;
| | - Rosaria Cozzolino
- Institute of Food Science, National Council of Research (CNR), Via Roma 64, 83100 Avellino, Italy; (L.M.); (C.M.)
| | - Livia Malorni
- Institute of Food Science, National Council of Research (CNR), Via Roma 64, 83100 Avellino, Italy; (L.M.); (C.M.)
| | | | - Emilia Gambale
- Italian National Agency for New Technologies Energy and Sustainable Economic Development (ENEA), Portici Research Centre, Piazzale E. Fermi 1, 80055 Portici, Italy;
| | - Maria Sighicelli
- Italian National Agency for New Technologies Energy and Sustainable Economic Development (ENEA), Casaccia Research Centre, Via Anguillarese 301, Santa Maria di Galeria, 00060 Roma, Italy;
| | - Brigida Della Mura
- Department of Science, University of Basilicata, Viale dell’Ateneo Lucano 10, 85100 Potenza, Italy;
| | - Cristina Matarazzo
- Institute of Food Science, National Council of Research (CNR), Via Roma 64, 83100 Avellino, Italy; (L.M.); (C.M.)
| | - Sonia Piacente
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Italy; (S.P.); (P.M.)
| | - Paola Montoro
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Italy; (S.P.); (P.M.)
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Contreras-Avilés W, Heuvelink E, Marcelis LFM, Kappers IF. Ménage à trois: light, terpenoids, and quality of plants. TRENDS IN PLANT SCIENCE 2024; 29:572-588. [PMID: 38494370 DOI: 10.1016/j.tplants.2024.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 02/16/2024] [Accepted: 02/20/2024] [Indexed: 03/19/2024]
Abstract
In controlled environment agriculture (CEA), light is used to impact terpenoid production and improve plant quality. In this review we discuss various aspects of light as important regulators of terpenoid production in different plant organs. Spectral quality primarily modifies terpenoid profiles, while intensity and photoperiod influence abundances. The central regulator of light signal transduction elongated hypocotyl 5 (HY5) controls transcriptional regulation of terpenoids under UV, red (R), and blue (B) light. The larger the fraction of R and green (G) light, the more beneficial the effect on monoterpenoid and sesquiterpenoid biosynthesis, and such an effect may depend on the presence of B light. A large fraction of R light is mostly detrimental to tetraterpenoid production. We conclude that light is a promising tool to steer terpenoid production and potentially tailor the quality of plants.
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Affiliation(s)
- Willy Contreras-Avilés
- Horticulture and Product Physiology, Plant Sciences Group, Wageningen University, P.O. Box 16, 6700, AA, Wageningen, The Netherlands; Plant Physiology, Plant Sciences Group, Wageningen University, P.O. Box 16, 6700, AA, Wageningen, The Netherlands
| | - Ep Heuvelink
- Horticulture and Product Physiology, Plant Sciences Group, Wageningen University, P.O. Box 16, 6700, AA, Wageningen, The Netherlands
| | - Leo F M Marcelis
- Horticulture and Product Physiology, Plant Sciences Group, Wageningen University, P.O. Box 16, 6700, AA, Wageningen, The Netherlands
| | - Iris F Kappers
- Plant Physiology, Plant Sciences Group, Wageningen University, P.O. Box 16, 6700, AA, Wageningen, The Netherlands.
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Brindisi LJ, Mattera R, Mudiyala S, Honig J, Simon JE. Genetic linkage mapping and quantitative trait locus (QTL) analysis of sweet basil (Ocimum basilicum L.) to identify genomic regions associated with cold tolerance and major volatiles. PLoS One 2024; 19:e0299825. [PMID: 38593174 PMCID: PMC11003626 DOI: 10.1371/journal.pone.0299825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 02/15/2024] [Indexed: 04/11/2024] Open
Abstract
Chilling sensitivity is one of the greatest challenges affecting the marketability and profitability of sweet basil (Ocimum basilicum L.) in the US and worldwide. Currently, there are no sweet basils commercially available with significant chilling tolerance and traditional aroma profiles. This study was conducted to identify quantitative trait loci (QTLs) responsible for chilling tolerance and aroma compounds in a biparental mapping population, including the Rutgers advanced breeding line that served as a chilling tolerant parent, 'CB15', the chilling sensitive parent, 'Rutgers Obsession DMR' and 200 F2 individuals. Chilling tolerance was assessed by percent necrosis using machine learning and aroma profiling was evaluated using gas chromatography (GC) mass spectrometry (MS). Single nucleotide polymorphism (SNP) markers were generated from genomic sequences derived from double digestion restriction-site associated DNA sequencing (ddRADseq) and converted to genotype data using a reference genome alignment. A genetic linkage map was constructed and five statistically significant QTLs were identified in response to chilling temperatures with possible interactions between QTLs. The QTL on LG24 (qCH24) demonstrated the largest effect for chilling response and was significant in all three replicates. No QTLs were identified for linalool, as the population did not segregate sufficiently to detect this trait. Two significant QTLs were identified for estragole (also known as methyl chavicol) with only qEST1 on LG1 being significant in the multiple-QTL model (MQM). QEUC26 was identified as a significant QTL for eucalyptol (also known as 1,8-cineole) on LG26. These QTLs may represent key mechanisms for chilling tolerance and aroma in basil, providing critical knowledge for future investigation of these phenotypic traits and molecular breeding.
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Affiliation(s)
- Lara J. Brindisi
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, Rutgers University, New Jersey, United States of America
| | - Robert Mattera
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, Rutgers University, New Jersey, United States of America
| | - Sonika Mudiyala
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, Rutgers University, New Jersey, United States of America
| | - Joshua Honig
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, Rutgers University, New Jersey, United States of America
| | - James E. Simon
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, Rutgers University, New Jersey, United States of America
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Rodeo AJD, Mitcham EJ. Chilling temperatures and controlled atmospheres alter key volatile compounds implicated in basil aroma and flavor. FRONTIERS IN PLANT SCIENCE 2023; 14:1218734. [PMID: 37465380 PMCID: PMC10352081 DOI: 10.3389/fpls.2023.1218734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 06/15/2023] [Indexed: 07/20/2023]
Abstract
Use of basil in its fresh form is increasingly popular due to its unique aromatic and sensory properties. However, fresh basil has a short shelf life and high chilling sensitivity resulting in leaf browning and loss of characteristic aroma. Moderate CO2 atmospheres have shown potential in alleviating symptoms of chilling injury in basil during short-term storage but its effect on the flavor volatiles is unclear. Moreover, studies on basil volatile profile as impacted by chilling temperatures are limited. We investigated the response of two basil genotypes to low temperatures and atmosphere modification, with emphasis on the volatile organic compounds responsible for basil aroma and flavor. Leaves were stored for 6 days at 5, 10, or 15°C combined with three different CO2 atmospheres (0.04%, 5% or 10%). Basil volatile profile was assessed using headspace solid phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrometry (GC-MS). Leaves suffered severe chilling injury and greater loss of aroma volatiles at 5°C compared to 10°C and 15°C. More than 70 volatiles were identified for each genotype, while supervised multivariate analysis revealed 26 and 10 differentially-accumulated volatiles for 'Genovese' and 'Lemon' basil, respectively, stored at different temperatures. Storage in 5% CO2 ameliorated the symptoms of chilling injury for up to 3 days in 'Genovese', but not in 'Lemon' basil. Both chilling temperatures and controlled atmospheres altered key volatile compounds implicated in basil aroma and flavor, but temperature had a bigger influence on the observed changes in volatile profile.
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Affiliation(s)
- Arlan James D. Rodeo
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
- Institute of Crop Science, College of Agriculture and Food Science, University of the Philippines Los Baños, College, Laguna, Philippines
| | - Elizabeth J. Mitcham
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
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Hammock HA, Sams CE. Variation in supplemental lighting quality influences key aroma volatiles in hydroponically grown 'Italian Large Leaf' basil. FRONTIERS IN PLANT SCIENCE 2023; 14:1184664. [PMID: 37434608 PMCID: PMC10332322 DOI: 10.3389/fpls.2023.1184664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 05/30/2023] [Indexed: 07/13/2023]
Abstract
The spectral quality of supplemental greenhouse lighting can directly influence aroma volatiles and secondary metabolic resource allocation (i.e., specific compounds and classes of compounds). Research is needed to determine species-specific secondary metabolic responses to supplemental lighting (SL) sources with an emphasis on variations in spectral quality. The primary objective of this experiment was to determine the impact of supplemental narrowband blue (B) and red (R) LED lighting ratios and discrete wavelengths on flavor volatiles in hydroponic basil (Ocimum basilicum var. Italian Large Leaf). A natural light (NL) control and different broadband lighting sources were also evaluated to establish the impact of adding discrete and broadband supplements to the ambient solar spectrum. Each SL treatment provided 8.64 mol.m-2.d-1 (100 µmol.m-2.s-1, 24 h.d-1) photon flux. The daily light integral (DLI) of the NL control averaged 11.75 mol.m-2.d-1 during the growth period (ranging from 4 to 20 mol.m-2.d-1). Basil plants were harvested 45 d after seeding. Using GC-MS, we explored, identified, and quantified several important volatile organic compounds (VOCs) with known influence on sensory perception and/or plant physiological processes of sweet basil. We found that the spectral quality from SL sources, in addition to changes in the spectra and DLI of ambient sunlight across growing seasons, directly influence basil aroma volatile concentrations. Further, we found that specific ratios of narrowband B/R wavelengths, combinations of discrete narrowband wavelengths, and broadband wavelengths directly and differentially influence the overall aroma profile as well as specific compounds. Based on the results of this study, we recommend supplemental 450 and 660 nm (± 20 nm) wavelengths at a ratio of approximately 10B/90R at 100-200 µmol.m-2.s-1, 12-24 h.d-1 for sweet basil grown under standard greenhouse conditions, with direct consideration of the natural solar spectrum and DLI provided for any given location and growing season. This experiment demonstrates the ability to use discrete narrowband wavelengths to augment the natural solar spectrum to provide an optimal light environment across variable growing seasons. Future experiments should investigate SL spectral quality for the optimization of sensory compounds in other high-value specialty crops.
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Bimolata W, Bhattacharya R, Goswami A, Dey PK, Mitra A. Spectral Light Treatment Influenced Morpho-Physiological Properties and Carvacrol Accumulation in Indian Borage. JOURNAL OF PLANT GROWTH REGULATION 2023:1-15. [PMID: 37359317 PMCID: PMC10201491 DOI: 10.1007/s00344-023-11028-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 05/05/2023] [Indexed: 06/28/2023]
Abstract
Light emitting diodes (LEDs) as an alternative light source for plants had shown to enhance the plant material quality. Indian borage or Plectranthus amboinicus (Lour.) Spreng, a medicinal herb produces carvacrol as the major volatile organic compound (VOC). Histolocalization of VOCs and expression pattern of the terpenoid biosynthesis genes after spectral light treatment is not yet reported in P. amboinicus. This work investigated the morpho-physiological, biochemical and transcriptional responses towards red, green, blue, warm white and red-blue (RB, 1:1) LEDs treatment at 40 ± 5 μmol m-2 s-1 light intensity after 40 days. Maximal growth index (GI), leaf fresh weight and dry weight were obtained in RB (1:1) treated plants. There was one-fold increase in phenolics content and 2.5-fold increase in antioxidant activity in comparison to warm white. High quantity of terpenes and phenolics deposition were observed in the glandular trichomes of RB (1:1). Maximum carvacrol accumulation (14.45 µmol g-1 FW) was also detected in RB (1:1). The transcript levels of early terpene biosynthesis genes PaDXS, PaDXR, PaHMGR and cytochrome P450 monooxygenase genes, PaCYP1 and PaCYP9 were highly upregulated in RB (1:1) and green. The overall results suggest RB (1:1) as the better lighting option amongst the studied spectral lights for obtaining maximum phytochemicals in P. amboinicus. Work is being continued with different spectral ratios of red and blue LED lights to maximize phytochemical accumulation, the outcome of which will be reported elsewhere in near future. Supplementary Information The online version contains supplementary material available at 10.1007/s00344-023-11028-6.
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Affiliation(s)
- Waikhom Bimolata
- Natural Product Biotechnology Group, Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, 721302 India
| | - Raktim Bhattacharya
- Natural Product Biotechnology Group, Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, 721302 India
| | - Ambika Goswami
- Natural Product Biotechnology Group, Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, 721302 India
| | - Pritam Kumar Dey
- Natural Product Biotechnology Group, Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, 721302 India
| | - Adinpunya Mitra
- Natural Product Biotechnology Group, Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, 721302 India
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d’Aquino L, Cozzolino R, Nardone G, Borelli G, Gambale E, Sighicelli M, Menegoni P, Modarelli GC, Rimauro J, Chianese E, Nenna G, Fasolino T, D’Urso G, Montoro P. Effects of White and Blue-Red Light on Growth and Metabolism of Basil Grown under Microcosm Conditions. PLANTS (BASEL, SWITZERLAND) 2023; 12:1450. [PMID: 37050076 PMCID: PMC10097113 DOI: 10.3390/plants12071450] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 06/19/2023]
Abstract
Indoor farming of basil (Ocimum basilicum L.) under artificial lighting to support year-round produce demand is an area of increasing interest. Literature data indicate that diverse light regimes differently affect downstream metabolic pathways which influence basil growth, development and metabolism. In this study, basil was grown from seedlings to fully developed plants in a microcosm, an innovative device aimed at growing plants indoor as in natural conditions. Specifically, the effects of white (W) and blue-red (BR) light under a photosynthetic photon flux density of 255 μmol m-2 s-1 on plant growth, photochemistry, soluble nutrient concentration and secondary metabolism were investigated. Plants grew taller (41.8 ± 5.0 vs. 28.4 ± 2.5 cm) and produced greater biomass (150.3 ± 24.2/14.7 ± 2.0 g vs. 116.2 ± 28.3/12.3 ± 2.5 g fresh/dry biomass) under W light compared to BR light. The two lighting conditions differently influenced the soluble nutrient concentration and the translocation rate. No photosynthetic stress was observed under the two lighting regimes, but leaves grown under W light displayed higher levels of maximum quantum yield of PSII and electron transport rate. Sharp differences in metabolic patterns under the two lighting regimes were detected with higher concentrations of phenolic compounds under the BR light.
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Affiliation(s)
- Luigi d’Aquino
- ENEA, Portici Research Centre, Piazzale E. Fermi 1, Napoli, 80055 Portici, Italy
| | - Rosaria Cozzolino
- Institute of Food Science, National Council of Research, Via Roma 64, 83100 Avellino, Italy
| | | | - Gianni Borelli
- Becar S.r.l. (Beghelli Group), Viale della Pace 1, Monteveglio, 40050 Bologna, Italy
| | - Emilia Gambale
- ENEA, Portici Research Centre, Piazzale E. Fermi 1, Napoli, 80055 Portici, Italy
| | - Maria Sighicelli
- ENEA, Casaccia Research Centre, Via Anguillarese 301, Santa Maria di Galeria, 00060 Roma, Italy
| | - Patrizia Menegoni
- ENEA, Casaccia Research Centre, Via Anguillarese 301, Santa Maria di Galeria, 00060 Roma, Italy
| | - Giuseppe Carlo Modarelli
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, Napoli, 80055 Portici, Italy
| | - Juri Rimauro
- ENEA, Portici Research Centre, Piazzale E. Fermi 1, Napoli, 80055 Portici, Italy
| | - Elena Chianese
- Department of Science and Technology, University of Naples Parthenope, Isola C4, Centro Direzionale di Napoli, 80143 Napoli, Italy
| | - Giuseppe Nenna
- ENEA, Portici Research Centre, Piazzale E. Fermi 1, Napoli, 80055 Portici, Italy
| | - Tommaso Fasolino
- ENEA, Portici Research Centre, Piazzale E. Fermi 1, Napoli, 80055 Portici, Italy
| | - Gilda D’Urso
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, Salerno, 84084 Fisciano, Italy
| | - Paola Montoro
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, Salerno, 84084 Fisciano, Italy
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Liu S, Liu Y, Wang T, Zhang J. The effects of different light storage conditions on volatile flavor compounds and sensory properties of melon fruit. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Santin M, Ranieri A, Castagna A. Anything New under the Sun? An Update on Modulation of Bioactive Compounds by Different Wavelengths in Agricultural Plants. PLANTS (BASEL, SWITZERLAND) 2021; 10:1485. [PMID: 34371687 PMCID: PMC8309429 DOI: 10.3390/plants10071485] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/17/2021] [Accepted: 07/18/2021] [Indexed: 12/15/2022]
Abstract
Plants continuously rely on light as an energy source and as the driver of many processes in their lifetimes. The ability to perceive different light radiations involves several photoreceptors, which in turn activate complex signalling cascades that ultimately lead to a rearrangement in plant metabolism as an adaptation strategy towards specific light conditions. This review, after a brief summary of the structure and mode of action of the different photoreceptors, introduces the main classes of secondary metabolites and specifically focuses on the influence played by the different wavelengths on the content of these compounds in agricultural plants, because of their recognised roles as nutraceuticals.
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Affiliation(s)
- Marco Santin
- Department of Agriculture, Food and Environment, University of Pisa, I-56124 Pisa, Italy; (M.S.); (A.R.)
| | - Annamaria Ranieri
- Department of Agriculture, Food and Environment, University of Pisa, I-56124 Pisa, Italy; (M.S.); (A.R.)
- Interdepartmental Research Center “Nutraceuticals and Food for Health”, University of Pisa, Via del Borghetto 80, I-56124 Pisa, Italy
| | - Antonella Castagna
- Department of Agriculture, Food and Environment, University of Pisa, I-56124 Pisa, Italy; (M.S.); (A.R.)
- Interdepartmental Research Center “Nutraceuticals and Food for Health”, University of Pisa, Via del Borghetto 80, I-56124 Pisa, Italy
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