Effect of supplemental UV-A irradiation in solid-state lighting on the growth and phytochemical content of microgreens

• Autorzy: Brazaityte A. , Virsile A. , Jankauskiene J. , Sakalauskiene S. , Samuoliene G. , Sirtautas R. , Novickovas A. , Dabasinskas L. , Miliauskiene J. , Vastakaite V. , Bagdonaviciene A. , Duchovskis P.
• Języki publikacji: EN

Abstrakty

EN

In this study, we sought to find and employ positive effects of UV-A irradiation on cultivation and quality of microgreens. Therefore, the goal of our study was to investigate the influence of 366, 390, and 402 nm UV-A LED wavelengths, supplemental for the basal solid-state lighting system at two UV-A irradiation levels on the growth and phytochemical contents of different microgreen plants. Depending on the species, supplemental UV-A irradiation can improve antioxidant proper­ties of microgreens. In many cases, a significant increase in the investigated phytochemicals was found under 366 and 390 nm UV-A wavelengths at the photon flux density (12.4 μmol m-2 s-1). The most pronounced effect of supplemental UV-A irradiation was detected in pak choi microgreens. Almost all supplemental UV-A irradiation treatments resulted in increased leaf area and fresh weight, in higher 2,2–diphenyl–1–picrylhydrazyl free-radical scavenging activity, total phenols, anthocyanins, ascorbic acid, and α-tocopherol.

Słowa kluczowe

EN

ultraviolet irradiation; antioxidant; growth; phytochemistry; microgreen; seedling; vegetable; herb; bioactive compound

• Wydawca: -
• Czasopismo: International Agrophysics
• Rocznik: 2015
• Tom: 29
• Numer: 1
• Opis fizyczny: p.13-22,fig.,ref.

Twórcy

autor

Brazaityte A.

• Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas str.30, LT-54333 Babtai, Kaunas distr., Lithuania

autor

Virsile A.

• Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas str.30, LT-54333 Babtai, Kaunas distr., Lithuania

autor

Jankauskiene J.

• Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas str.30, LT-54333 Babtai, Kaunas distr., Lithuania

autor

Sakalauskiene S.

• Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas str.30, LT-54333 Babtai, Kaunas distr., Lithuania

autor

Samuoliene G.

• Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas str.30, LT-54333 Babtai, Kaunas distr., Lithuania

autor

Sirtautas R.

• Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas str.30, LT-54333 Babtai, Kaunas distr., Lithuania

autor

Novickovas A.

• Institute of Applied Research, Vilnius University, Sauletekio al.9-III, LT-10222 Vilnius, Lithuania

autor

Dabasinskas L.

• Institute of Applied Research, Vilnius University, Sauletekio al.9-III, LT-10222 Vilnius, Lithuania

autor

Miliauskiene J.

• Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas str.30, LT-54333 Babtai, Kaunas distr., Lithuania

autor

Vastakaite V.

• Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas str.30, LT-54333 Babtai, Kaunas distr., Lithuania

autor

Bagdonaviciene A.

• Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas str.30, LT-54333 Babtai, Kaunas distr., Lithuania

autor

Duchovskis P.

• Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas str.30, LT-54333 Babtai, Kaunas distr., Lithuania

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Identyfikatory

DOI

10.1515/intag-2015-0004