Optimization of methyl jasmonate application to broccoli florets to enhance health-promoting phytochemical content
Ku KM, Jeffery EH, Juvik JA
Journal of the science of food and agriculture · 24 citas
Etiquetas de revisión
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Cómo se estudió
- Diseño
- Estudio in vitro o de mecanismos (clasificado por nuestro filtro de IA)
- Estudiado en
- Células o muestras de laboratorio
- Resultado principal
- Sin resultado de salud
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2013-12-12 · J Sci Food Agric · vol. 94 · número 10 · págs. 2090–2096
- Editorial
- Wiley
- Citado
- 49 citas · más que el 84% de estudios similares · 1.7× el promedio de su campo
- Referencias
- 44 trabajos
- Acceso
- De pago
- Áreas de investigación
- Genomics, phytochemicals, and oxidative stress · Plant Gene Expression Analysis · Plant Stress Responses and Tolerance
- Palabras clave
- Phytochemical, Methyl jasmonate, Chemistry, Food science, Health benefits, Botany, Horticulture, Biology, Traditional medicine, Biochemistry, Medicine
- MeSH
- humans, brassica, flowers, plant leaves, nitric oxide, acetates, cyclopentanes, isothiocyanates, sulfoxides, nad(p)h dehydrogenase (quinone), glucosinolates, plant growth regulators, anti-inflammatory agents, antineoplastic agents, phytogenic, diet, agriculture, health, oxylipins, phytochemicals
3 autores
- Kang‐Mo Ku🇺🇸University of Illinois Urbana-Champaign
- Elizabeth H. Jeffery🇺🇸University of Illinois Urbana-Champaign
- John A. Juvik🇺🇸 · autor de correspondenciaUniversity of Illinois Urbana-Champaign
Resumen
El texto original del estudio, en el idioma en que se publicó.
Background
Spray treatment of methyl jasmonate (MeJA) has been shown to increase glucosinolate (GS) concentrations and health-promoting activity in Brassica vegetables. Since there is no reported standardized protocol, several MeJA treatment studies have been conducted to maximize human health bioactivity using the F1 broccoli cultivar 'Green Magic'.
Results
Foliar MeJA application 4 days prior to harvest of broccoli at commercial maturity resulted in enhanced total GS concentrations. Although a single application of 250 µmol L(-1) MeJA maximized GS concentrations in broccoli florets, two days of consecutive treatments (4 and 3 days prior to harvest) of 250 µmol L(-1) MeJA further enhanced neoglucobrassicin concentrations and floret extract quinone reductase (QR)-inducing activity. With increasing concentrations of MeJA in spray applications to broccoli florets, concentrations of the glucosinolates glucoraphanin, gluconasturtiin and neoglucobrassicin and the isothiocyanate sulforaphane as well as anticancer and anti-inflammatory bioactivities as measured by QR induction and inhibition of nitric oxide (NO) production respectively were significantly increased. Concentrations of these phytochemicals showed strong positive correlations with QR-inducing and NO-inhibitory activities.
Conclusion
These application protocols were found to maximize GS and GS hydrolysis product concentrations and putatively enhance the health-promoting properties of broccoli heads for consumers.
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