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Article

Ecdysteroid Content and Therapeutic Activity in Elicited Spinach Accessions

1
Eastern R&D Center, Kiryat Arba 90100, Israel
2
Institute of Soil, Water, and Environmental Sciences, Volcani Center, Rishon LeZion 7505101, Israel
3
The Robert H. Smith Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot 7612001, Israel
*
Authors to whom correspondence should be addressed.
Plants 2020, 9(6), 727; https://doi.org/10.3390/plants9060727
Received: 23 April 2020 / Revised: 24 May 2020 / Accepted: 3 June 2020 / Published: 9 June 2020
(This article belongs to the Special Issue Plant Biotechnology Applications in Secondary Metabolite Production)
While spinach is an established nutritionally important crop, its medicinal value is not as well known. Spinach is rich in ecdysteroids, insect hormone analogs with a number of medicinal properties including anti-oxidative, anti-inflammatory and even anabolic activity. However, the potential of spinach as a medicinal plant has not yet been developed. In this study, the ecdysteroid content of spinach was optimized to increase its therapeutic value. Spinach seeds from various sources were grown under controlled hydroponic conditions and analyzed for ecdysteroid content and related anabolic activity. Variations in ecdysteroid content and the related anabolic activity were observed among spinach accessions. A selected variety, Spinacia oleracea cv. Turkey, was exposed to various physical and chemical elicitors to increase and stabilize ecdysteroid content. A number of elicitors, including methyl salicylate and mechanical damage, significantly increased ecdysteroid content and anabolic activity 24 h after exposure. The effect was transient and disappeared 48 h thereafter. Further work is needed to identify the most suitable germplasm and elicitation conditions for optimal ecdysteroid content. View Full-Text
Keywords: spinach; ecdysteroid; elicitation; anabolic activity; protein synthesis spinach; ecdysteroid; elicitation; anabolic activity; protein synthesis
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MDPI and ACS Style

Gorelick, J.; Iraqi, R.H.; Bernstein, N. Ecdysteroid Content and Therapeutic Activity in Elicited Spinach Accessions. Plants 2020, 9, 727. https://doi.org/10.3390/plants9060727

AMA Style

Gorelick J, Iraqi RH, Bernstein N. Ecdysteroid Content and Therapeutic Activity in Elicited Spinach Accessions. Plants. 2020; 9(6):727. https://doi.org/10.3390/plants9060727

Chicago/Turabian Style

Gorelick, Jonathan, Rona Hacohen Iraqi, and Nirit Bernstein. 2020. "Ecdysteroid Content and Therapeutic Activity in Elicited Spinach Accessions" Plants 9, no. 6: 727. https://doi.org/10.3390/plants9060727

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