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An abiotic UV-B stress on Brassicaceae seeds increased their phytochemical content on 7-days sprouts | ||
| Journal of Horticulture and Postharvest Research | ||
| دوره 5، Issue 4 - شماره پیاپی 19، اسفند 2022، صفحه 297-308 اصل مقاله (1 M) | ||
| نوع مقاله: Original Article | ||
| شناسه دیجیتال (DOI): 10.22077/jhpr.2022.5406.1278 | ||
| نویسندگان | ||
| Lorena Martínez-Zamora* 1، 2؛ Noelia Castillejo1؛ Perla A. Gómez1؛ Francisco Artés1؛ Francisco Artés-Hernández1 | ||
| 1Postharvest and Refrigeration Group. Department of Agricultural Engineering and Institute of Plant Biotechnology. Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48. 30203 Cartagena, Murcia, Spain | ||
| 2Department of Food Technology, Food Science, and Nutrition, Faculty of Veterinary Sciences, University of Murcia, Espinardo, 30071 Murcia, Spain | ||
| چکیده | ||
| Purpose: Cruciferous sprouts in their early stages of development are very suitable foods against degenerative diseases due to their high content of health promoting compounds. The application of UV-B can act as an elicitor of these compounds. The objective was to study the effect of a UV-B treatment to different seed varieties and its remnant effects after germination as sprouts. Research method: Brassicaceae seeds selected (radish, rocket, white mustard, and tatsoi) were treated under 20 kJ m-2 UV-B 24 h before sowing, while no UV radiation was used as control (CTRL). After 7 days, sprouts were harvested, frozen, and freeze-dried until their bioactive content was analysed. Findings: Results showed that UV-B enhanced by ~20% the biosynthesis of phenolic compounds in sprouts, and hence, their total antioxidant capacity. Furthermore, this UV effect was also appreciated after 7 germination days, and it was increased by ~38% regarding CTRL, especially on rocket and mustard sprouts. In conclusion, an abiotic UV-B stress treatment to seeds can be an interesting tool to improve the bioactive compounds content of young plants, although the intrinsic mechanisms involved should be further investigated. Research limitations: The use of these new technologies, such as UV-B, is costly and must be applied following appropriate safety measures to avoid possible irradiation damage. Originality/Value: The analysis of the remnant effect of the UV-B before seeds sprouting has not been yet studied and its use could result in a beneficial effect on the germination and biosynthesis of phytochemicals in young plants. | ||
| کلیدواژهها | ||
| Antioxidants؛ Bioactive compounds؛ Brassica؛ Cruciferous؛ Germination | ||
| مراجع | ||
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