Effect of light on oxidative stress, secondary metabolites and induction of antioxidant enzymes in Eleutherococcus senticosus somatic embryos in bioreactor

Shohael, Abdullah Mohammad; Ali, Mohammad; Yu, Kee-Won; Hahn, Eun-Joo; Islam, R.; Paek, Kee-Yoeup

doi:10.1016/j.procbio.2005.12.015

Cited by 171 publications

(88 citation statements)

References 35 publications

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“…The podophyllotoxin content in Podophyllum peltatum callus increased compared with a dark control when they were cultured under orange or red fluorescent lights but not when they were cultured under blue or green fluorescent lights (Kadkade 1982). Similarly, contents of eleutheroside E (syringaresinol-4,4′-O-β-d-diglucoside) and eleutheroside E 1 (syringaresinol-4-O-β-d-glucoside) in Eleutherococcus senticosus somatic embryos increased under white fluorescent and red LED lights, but blue LED light did not increase the contents of those lignan glucosides compared with the dark condition (Shohael et al 2006). These results imply that red light induces the production of some lignans, but blue light does not.…”

Section: Discussionmentioning

confidence: 91%

Differences in plant growth and leaf sesamin content of the lignan-rich sesame variety ^|^#8216;Gomazou^|^#8217; under continuous light of different wavelengths

Hata

Hayashi

Ono

et al. 2013

Plant Biotechnology

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Sesamin is a major lignan constituent of sesame seeds and beneficial to human health. We previously reported that sesamin is contained in leaves as well as seeds of sesame and proposed that sesame leaves could be a new sesamin source. Growth and constituents of plants are affected by light wavelength. In this study, growth and leaf sesamin content of sesame variety 'Gomazou' were investigated in plants grown under continuous white fluorescent and monochromatic red or blue light emitting diode (LED) light. Under red LED light, plants developed pale-green, epinastic leaves. Compared with white fluorescent light, red LED light promoted stem elongation 1-3 weeks after sowing but retarded it 3-5 weeks after sowing. Under blue LED light, plants exhibited interveinal necrosis in the leaf blades and excessive stem elongation occurred irrespective of plant age. Leaf yields were lower in plants grown under red and blue LED lights relative to those under white fluorescent light. Blue LED light increased leaf sesamin content by 2.0 and 4.5 times compared with white fluorescent and red LED lights, respectively. From these results, we concluded that blue (LED) light may be effective at producing sesaminrich leaves if the unfavorable morphological changes and reduction in growth can be prevented.

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Section: Discussionmentioning

confidence: 91%

Differences in plant growth and leaf sesamin content of the lignan-rich sesame variety ^|^#8216;Gomazou^|^#8217; under continuous light of different wavelengths

Hata

Hayashi

Ono

et al. 2013

Plant Biotechnology

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“…Except of nitrogen sources, light is another important factor affecting growth and organogenesis, but a factor stressing plants to consequently regulate the secretion mechanism of secondary products (Shohael et al, 2006a). Higher H 2 O 2 content, malondialdehyde content and lipoxygenase activities were observed in cultured embryos under red light compared dark grown embryos, as well as activities of some antioxidant enzymes such as catalase, superoxide dismutase, glutathione S transferase, and ascorbate peroxidase were also stimulated in red light irradiated embryos.…”

Section: Application For Biochemical and Biological Eventsmentioning

confidence: 98%

Recent Advances of In Vitro Embryogenesis of Monocotyledon and Dicotyledon

Sun¹,

Hong²

2012

Embryogenesis

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“…The analysis of potato demonstrated that, 24 h after the application of MIPEF, tissue metabolism showed MIPEF-specific stress responses, characterised by changes in the hexose pool that may involve starch and ascorbic acid degradation (Galindo et al, 2009). MIPEF-induced stresses could include a burst of ROS, which are endogenous signal components required for synthesis of secondary metabolites, such as polyphenols or carotenoids, which are known to be part of the defence response of plants to stress (Shohael et al, 2006). The pulsed electric field (PEF) technology can be utilized for many operations in food and bioengineering.…”

Section: Application Of Pulsed Electric Field Processing In Food Indumentioning

confidence: 99%

High Intensity Pulsed Electric Field Procesiing of Foods - A Review

Masthan¹,

Chandra²,

Raju³

et al. 2017

IJERT

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: -Use of pulsed electric fields (PEFs) for inactivation of microorganisms is one of the more promising nonthermal processing methods. Inactivation of microorganisms exposed to high-voltage PEFs is related to the electromechanical instability of the cell membrane. Electric field strength and treatment time are the two most important factors involved in PEF processing. Encouraging results are reported at the laboratory level, but scaling up to the industrial level escalates the cost of the command charging power supply and of the high-speed electrical switch. In this paper, we critically review the results of earlier experimental studies on PEFs and we suggest the future work that is required in this field. Inactivation tests in viscous foods and in liquid food containing particulates must be conducted. A successful continuous PEF processing system for industrial applications has yet to be designed. The high initial cost of setting up the PEF processing system is the major obstacle confronting those who would encourage the system's industrial application. Innovative developments in high-voltage pulse technology will reduce the cost of pulse generation and will make PEF processing competitive with thermal-processing methods.

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Effect of light on oxidative stress, secondary metabolites and induction of antioxidant enzymes in Eleutherococcus senticosus somatic embryos in bioreactor

Cited by 171 publications

References 35 publications

Differences in plant growth and leaf sesamin content of the lignan-rich sesame variety ^|^#8216;Gomazou^|^#8217; under continuous light of different wavelengths

Differences in plant growth and leaf sesamin content of the lignan-rich sesame variety ^|^#8216;Gomazou^|^#8217; under continuous light of different wavelengths

Recent Advances of In Vitro Embryogenesis of Monocotyledon and Dicotyledon

High Intensity Pulsed Electric Field Procesiing of Foods - A Review

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