Growth Spectrum Complexity Dictates Aromatic Intensity in Coriander (Coriandrum sativum L.)

McAusland, Lorna; Lim, Mee Wei; Morris, David E.; Smith-Herman, Hayley L.; Mohammed, Umar; Hayes-Gill, Barrie; Crowe, John A.; Fisk, Ian D.; Murchie, Erik H.

doi:10.3389/fpls.2020.00462

Cited by 12 publications

(9 citation statements)

References 49 publications

(73 reference statements)

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“…However, aroma compounds may differ in their odour perception thresholds, thus, the higher concentrations do not always influence the olfactory impact. Previously, McAusland et al ( 46 ) showed that the red LED light improved the increase of ( E )-2-tridecenal and dodecanal significantly during growing coriander under a controlled environment chamber, which differed from our findings.…”

Section: Resultscontrasting

confidence: 99%

“…Furthermore, McAusland et al ( 46 ) stated that the odour notes of 2-dodecanal and ( E )-2-tridecenal are waxy, aldehydic, citrus, and orange rind with floral nuances” and “sweet” scents. McAusland et al ( 46 ) showed that these aldehydes have a smaller odour threshold, thus, at greater concentrations, these compounds contribute more to the odour or scent of the fresh coriander leaves. A large portion of plant volatile compounds was derived from saturated and unsaturated fatty acids.…”

Section: Resultsmentioning

confidence: 99%

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Changes in Functional Compounds, Volatiles, and Antioxidant Properties of Culinary Herb Coriander Leaves (Coriandrum sativum) Stored Under Red and Blue LED Light for Different Storage Times

et al. 2022

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This study evaluated the influence of red (630–640 nm) and blue (450 nm) light-emitting diodes (LED) lights on the changes in antioxidant constituents, activity, volatile compounds, and overall acceptability of Coriander leaves (Coriandrum sativum) during post-harvest storage. Coriander leaves are harvested at commercial maturity, packed in polyethylene terephthalate punnets, and exposed for 2 h to the red LED or blue LED lights separately during storage at 5°C and 85% RH up to 9 days. Coriander leaves exposed to the white light (2 h) and continuous darkness served as controls. Samples were removed from cold storage at 3, 6, and 9 days to determine the antioxidant constituents, their activity, retention of volatile compounds, and overall acceptance. Coriander leaves exposed to red and blue LED lights for 2 h showed a commercially allowable mass loss of up to 9 days compared to the other treatments. Compared to those exposed to red LED light (2 h) and the control, leaves exposed to blue LED light for 2 h and stored for 3–9 days showed a reduction in colour change (ΔE). The β-carotene content significantly peaked at 44.55% on day 6 in coriander leaves exposed to the red LED light. However, leaves exposed to blue and red LED light showed an increase in total phenolic content by 9.34 and 6.39% on day 9, respectively. Exposure to blue LED lights increased the antioxidant activities (DPPH, ABTS, and FRAP), quercetin content, and the concentration of typical coriander aroma, 2-tridecenal, 2-dodecenal, (E), and Z-9-19 hexadecenal on day 9. Coriander leaves exposed to blue LED light (2 h) and stored up to day 9 scored a higher acceptance level by the panellists. Thus, blue light LED treatment during post-harvest storage can be recommended to retain the antioxidant property of coriander leaves.

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Section: Resultscontrasting

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Changes in Functional Compounds, Volatiles, and Antioxidant Properties of Culinary Herb Coriander Leaves (Coriandrum sativum) Stored Under Red and Blue LED Light for Different Storage Times

et al. 2022

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“…The light spectral composition affects plant's growth and development (Figure 9) (Ouzounis et al, 2015). The spectral composition can also affect taste components such as the aromatic intensity in coriander (Coriandrum sativum L.) (McAusland et al, 2020). As such, many horticultural-focused studies aim to determine the optimal light "recipe" (Smith et al, 2017).…”

Section: Number Of Cyclesmentioning

confidence: 99%

Eustress in Space: Opportunities for Plant Stressors Beyond the Earth Ecosystem

Hessel

Liang

Tran

et al. 2022

Front. Astron. Space Sci.

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Human space exploration cannot occur without reliable provision of nutritious and palatable food to sustain physical and mental well-being. This ultimately will depend upon efficient production of food in space, with on-site manufacturing on space stations or the future human colonies on celestial bodies. Extraterrestrial environments are by their nature foreign, and exposure to various kinds of plant stressors likely cannot be avoided. But this also offers opportunities to rethink food production as a whole. We are used to the boundaries of the Earth ecosystem such as its standard temperature range, oxygen and carbon dioxide concentrations, plus diel cycles of light, and we are unfamiliar with liberating ourselves from those boundaries. However, space research, performed both in true outer space and with mimicked space conditions on Earth, can help explore plant growth from its ‘first principles’. In this sense, this perspective paper aims to highlight fundamental opportunities for plant growth in space, with a new perspective on the subject. Conditions in space are evidently demanding for plant growth, and this produces “stress”. Yet, this stress can be seen as positive or negative. With the positive view, we discuss whether plant production systems could proactively leverage stresses instead of always combatting against them. With an engineering view, we focus, in particular, on the opportunities associated with radiation exposure (visible light, UV, gamma, cosmic). Rather than adapting Earth conditions into space, we advocate on rethinking the whole issue; we propose there are opportunities to exploit space conditions, commonly seen as threats, to benefit space farming.

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“…A desired morphology of herbs such as basil for fresh cut or potted plants would include compact plants and a high allocation of biomass to the leaves rather than the stems. Compact plants are easier to transport which is important for the growers and transporters in the supply chain (Mcausland et al, 2020). Stem elongation is often a reflection of the shade avoidance syndrome (SAS).…”

Section: Morphologymentioning

confidence: 99%

“…For the consumers the leaves of herbs are the main consumed part and an increase in leaf area and leaf biomass is a desired morphology (Mcausland et al, 2020). For fresh-cut basil big leaves are desired (i.e.…”

Section: Morphologymentioning

confidence: 99%

Light regulation of quality and growth of basil

Larsen¹

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Basil suffers from chilling injury (CI) when stored at temperatures below 10-12 °C which seems related to the imbalance between reactive oxygen species (ROS) and antioxidants. We hypothesized that increased light intensity applied shortly before harvest (EOP, End-Of-Production) increases nutritional value i.e. carbohydrates and antioxidants. This could improve the chilling tolerance. Two basil cultivars were grown in a vertical farming set-up at a light intensity of 150 µmol m -2 s -1 . During the last 5 days of growth, EOP light treatments ranging from 50 to 600 µmol m -2 s -1 were applied. Postharvest the leaves were stored at 4 or 12 °C in darkness. Higher EOP light intensity increased antioxidants as total ascorbic acid, rosmarinic acid as well as carbohydrate contents at harvest. During storage antioxidants decreased more rapidly at 4 than at 12 °C. However, increased EOP light intensity did not alleviate chilling symptoms suggesting a minor role of antioxidants studied against chilling stress.

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Growth Spectrum Complexity Dictates Aromatic Intensity in Coriander (Coriandrum sativum L.)

Cited by 12 publications

References 49 publications

Changes in Functional Compounds, Volatiles, and Antioxidant Properties of Culinary Herb Coriander Leaves (Coriandrum sativum) Stored Under Red and Blue LED Light for Different Storage Times

Changes in Functional Compounds, Volatiles, and Antioxidant Properties of Culinary Herb Coriander Leaves (Coriandrum sativum) Stored Under Red and Blue LED Light for Different Storage Times

Eustress in Space: Opportunities for Plant Stressors Beyond the Earth Ecosystem

Light regulation of quality and growth of basil

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