Influence of high latitude light conditions on sensory quality and contents of health and sensory‐related compounds in swede roots (<i>Brassica napus</i> L. ssp. <i>rapifera</i> Metzg.)

Mølmann, Jørgen; Hagen, Sidsel Fiskaa; Bengtsson, Gunnar; Johansen, Tor J.

doi:10.1002/jsfa.8562

Cited by 11 publications

(11 citation statements)

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“…The observation of some specific GLS types at highest concentration in 6 h darkness at night, and lowest concentration in 24 h white light, largely agrees with results of a previous phytotron study of swede under 24 h natural light at 69.7°N 18.9°E 6 . Similar effects of 24 h versus 12 h photoperiod was also observed for GLS accumulation in curly kale and broccoli 23,24 .…”

Section: Discussionsupporting

confidence: 90%

“…This is still on average 3–4 h longer than at southern Scandinavian latitudes 19 . For swede, the presence of very long photosynthetic light periods gives a more rapid bulb growth compared to shorter day length conditions 6 . In addition, in the presence of far‐red rich solar irradiation at night there appears a reduction in GLS content of root bulbs 6 .…”

Section: Introductionmentioning

confidence: 95%

“…These low growth temperatures seem to enhance an especially sweet taste and other desirable sensory properties 5 . Very long day lengths above the Arctic Circle also gives more rapid bulb growth than further south, which also contributes to an improved eating quality 4,6 …”

Section: Introductionmentioning

confidence: 99%

“…For swede, low growth temperatures under Arctic light conditions greatly reduces the progoitrin concentration, while warm growth temperatures elevates the concentration associated with a stronger bitter taste 5 . In Arabidopsis there is diurnal upregulation of GLS biosynthesis in light, 18 although the presence of 24 h midnight sun above the Arctic Circle however reduces progoitrin in swede root bulbs 6 …”

Section: Introductionmentioning

confidence: 99%

“…For swede, the presence of very long photosynthetic light periods gives a more rapid bulb growth compared to shorter day length conditions 6 . In addition, in the presence of far‐red rich solar irradiation at night there appears a reduction in GLS content of root bulbs 6 . It is thus possible that diurnal spectral variation in the midnight sun period in combination with low growth temperature in late summer, affects GLS and the eating quality of swede at these latitudes.…”

Section: Introductionmentioning

confidence: 99%

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Effects of supplemental LED light quality and reduced growth temperature on swede (Brassica napus L. ssp. rapifera Metzg.) root vegetable development and contents of glucosinolates and sugars

2020

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BACKGROUND Low growth temperatures and the special light qualities of midnight sun in northern Scandinavia, have both been shown to improve eating quality of swede root bulbs. To study the combined effect of these factors on root development and sensory‐related compounds, plants were grown in phytotron under different 24 h supplemental light‐emitting diode (LED) light colours, at constant 15 °C, or reduced end‐of‐season temperature at 9 °C. RESULTS Far‐red LED (740 nm) light induced longer leaves and produced more roundly shaped bulbs, than the other light quality treatments. At constant 15 °C, supplemental light of far‐red LED also produced a stronger purple crown skin colour than the other LED treatments. This difference between light quality treatments disappeared at 9 °C, as all bulb crowns developed a purple colour. There were no significant effects of LED‐supplements on sugar concentrations, while the reduced temperature on average did increase concentrations of d‐fructose and d‐glucose. Total glucosinolate concentrations were not different among treatments, although the most abundant glucosinolate, progoitrin, on average was present in highest concentration under LEDs containing far‐red light, and in lower concentration at 9 °C compared to 15 °C. CONCLUSION The light quality of 24 h photoperiods in combination with temperature appears primarily important for growth and morphological traits in swede root bulbs. Influence of light quality and low temperature on appearance and sensory‐related compounds may be utilized in marketing of root vegetables with special quality related to growth conditions of high latitude origin. © 2020 Society of Chemical Industry

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Section: Discussionsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Effects of supplemental LED light quality and reduced growth temperature on swede (Brassica napus L. ssp. rapifera Metzg.) root vegetable development and contents of glucosinolates and sugars

2020

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Sensory variation of landrace peas (Pisum sativum L.): Impacts of variety, location, and harvest year

Westling,

Leino,

Wennström

et al. 2024

Food Science & Nutrition

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The transition to more diversified protein sources presents legumes, such as peas, as excellent alternatives to animal protein. In light of this shift, understanding the sensory variation of pea genetic resources becomes crucial in broadening their appeal and promoting greater consumption. This study aimed to identify key factors influencing the sensory attributes of landrace peas, including variety (accession), location (geographical area of cultivation), and harvest year. Through a quantitative descriptive sensory analysis of six Swedish landrace pea accessions, cultivated over 1–2 years in three different Nordic countries, we analyzed the sensory attributes in detail and evaluated potential interactions between the pea accessions, their respective growing locations, and the varying harvest years. The results show that the sensory variation in the studied landrace pea accessions is primarily attributed to the chosen accession, despite the differences in location and harvest year. Notably, the results also reveal the potential impact of the location on the perceived sourness and umami taste of peas. These findings underscore the critical role of careful variety selection and breeding to enhance the sensory experience of peas, enabling the development of diverse pea‐based products that cater to consumer preferences.

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The dilemma of “good” and “bad” glucosinolates and the potential to regulate their content

Gioia

Pinela²,

Bailón

et al. 2020

Glucosinolates: Properties, Recovery, and Applications

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Influence of high latitude light conditions on sensory quality and contents of health and sensory‐related compounds in swede roots (Brassica napus L. ssp. rapifera Metzg.)

Cited by 11 publications

References 32 publications

Effects of supplemental LED light quality and reduced growth temperature on swede (Brassica napus L. ssp. rapifera Metzg.) root vegetable development and contents of glucosinolates and sugars

Effects of supplemental LED light quality and reduced growth temperature on swede (Brassica napus L. ssp. rapifera Metzg.) root vegetable development and contents of glucosinolates and sugars

Sensory variation of landrace peas (Pisum sativum L.): Impacts of variety, location, and harvest year

The dilemma of “good” and “bad” glucosinolates and the potential to regulate their content

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