Enhanced accumulation of caffeic acid, rosmarinic acid and luteolin-glucoside in red perilla cultivated under red diode laser and blue LED illumination followed by UV-A irradiation

Iwai, Mayuko, Ohta, Mari, Tsuchiya, Hiroshi and Suzuki, Tetsuya (2010) Enhanced accumulation of caffeic acid, rosmarinic acid and luteolin-glucoside in red perilla cultivated under red diode laser and blue LED illumination followed by UV-A irradiation. Journal of Functional Foods, 2 1: 66-70. doi:10.1016/j.jff.2009.11.002


Author Iwai, Mayuko
Ohta, Mari
Tsuchiya, Hiroshi
Suzuki, Tetsuya
Title Enhanced accumulation of caffeic acid, rosmarinic acid and luteolin-glucoside in red perilla cultivated under red diode laser and blue LED illumination followed by UV-A irradiation
Journal name Journal of Functional Foods   Check publisher's open access policy
ISSN 1756-4646
Publication date 2010-01-01
Year available 2009
Sub-type Article (original research)
DOI 10.1016/j.jff.2009.11.002
Volume 2
Issue 1
Start page 66
End page 70
Total pages 5
Place of publication Amsterdam, Netherlands
Publisher Elsevier BV
Collection year 2011
Language eng
Formatted abstract
Red perilla (Perilla frutescens var. purpurea cv. Akajiso) is a plant rich in polyphenols such as rosmarinic acid and luteolin with great potential as a functional food material. The present study examines whether growth under controlled artificial illumination could be used for cultivation of red perilla to enhance rosmarinic acid and luteolin content. Red perilla plants were cultivated for 7 weeks in a greenhouse or in a closed environment under a regime of artificial light comprising 80% red laser diode (680 nm) and 20% blue LED (460 nm) at 360 μmol/m2/s for 14-h light period, followed by a 2-h illumination with ultraviolet A (365 nm). HPLC analysis of polyphenols revealed that the content of caffeic acid and rosmarinic acid was 7.9 and 6.6 times higher respectively, in plants grown under artificial light than in greenhouse grown plants. The content of luteolin-7-O-glucoside was 20 times higher in the light treated plants compared to the greenhouse grown ones. Our results indicate that artificial illumination is effective for inducing the accumulation of rosmarinic acid and luteolin with functional food properties in red perilla.
© 2009 Elsevier Ltd. All rights reserved.
Keyword Artificial light illumination
Red LD
Blue LED
Perilla leaf
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online 17 December 2009. Published under Short Communications.

 
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Created: Thu, 11 Mar 2010, 01:54:13 EST by Manjit Sanghera on behalf of National Res Centre For Environmental Toxicology