We investigated the effect on anthocyanins and total phenols content and antioxidant capacity of in vitro shoot cultures of Vaccinkun carymbosum L., cv. Brigitta Blue, grown on an eliciting medium supplied with 10 mu M naphthalene acetic acid, in combination with reduced content of salts and organics in respect to the basal medium. After 45 days, higher content of total phenols and anthocyanins was obtained from extracts of shoots grown on the elicitation medium. Anthocyanin molecules, absent in control shoots, were identified by HPLC-MS as delphinidine-glycoside, cyanidine-glycoside, delphinidine-arabinoside, cyanidine- arabinoside and cyanidine-acetylglycoside. Chlorogenic acid, present in control shoots, was nearly absent in elicited shoots.We exploited the anthocyanin - based raw extracts of "Brigitta Blue" shoots grown on the elicitation medium as a source of natural dye photosensitizers for Dye Sensitized Solar Cells, taking into account that such raw extracts showed antioxidant properties and photostability features. A purified dye was also prepared and the comparison of the latter with the raw one has been analysed by spectrophotometric, chromatographic and power conversion efficiency determination. The power conversion efficiencies from the raw and the purified dye were not different and they were comparable to the data obtained by other authors with anthocyanin-based dyes from in vivo grown plants.

Lucioli, S., Di Bari, C., Forni, C., Di Carlo, A., Barrajon-Catalan, E., Micol, V., et al. (2018). Anthocyanic pigments from elicited in vitro grown shoot cultures of Vaccinium corymbosum L., cv. Brigitta Blue, as photosensitizer in natural dye-sensitized solar cells (NDSSC). JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY, 188, 69-76 [10.1016/j.jphotobiol.2018.09.002].

Anthocyanic pigments from elicited in vitro grown shoot cultures of Vaccinium corymbosum L., cv. Brigitta Blue, as photosensitizer in natural dye-sensitized solar cells (NDSSC)

Forni C.;Di Carlo A.;Matteocci F.;
2018

Abstract

We investigated the effect on anthocyanins and total phenols content and antioxidant capacity of in vitro shoot cultures of Vaccinkun carymbosum L., cv. Brigitta Blue, grown on an eliciting medium supplied with 10 mu M naphthalene acetic acid, in combination with reduced content of salts and organics in respect to the basal medium. After 45 days, higher content of total phenols and anthocyanins was obtained from extracts of shoots grown on the elicitation medium. Anthocyanin molecules, absent in control shoots, were identified by HPLC-MS as delphinidine-glycoside, cyanidine-glycoside, delphinidine-arabinoside, cyanidine- arabinoside and cyanidine-acetylglycoside. Chlorogenic acid, present in control shoots, was nearly absent in elicited shoots.We exploited the anthocyanin - based raw extracts of "Brigitta Blue" shoots grown on the elicitation medium as a source of natural dye photosensitizers for Dye Sensitized Solar Cells, taking into account that such raw extracts showed antioxidant properties and photostability features. A purified dye was also prepared and the comparison of the latter with the raw one has been analysed by spectrophotometric, chromatographic and power conversion efficiency determination. The power conversion efficiencies from the raw and the purified dye were not different and they were comparable to the data obtained by other authors with anthocyanin-based dyes from in vivo grown plants.
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore ING-INF/01 - Elettronica
Settore BIO/01
English
Anthocyanins; Antioxidant capacity; HPLC-DAD-MS; Natural DSSC; Raw dye; Total phenols; in vitro culture; Anthocyanins; Antioxidants; Blueberry Plants; Chlorogenic Acid; Chromatography, High Pressure Liquid; Coloring Agents; Light; Phenols; Photosensitizing Agents; Plant Extracts; Plant Shoots; Spectrophotometry; Solar Energy
Lucioli, S., Di Bari, C., Forni, C., Di Carlo, A., Barrajon-Catalan, E., Micol, V., et al. (2018). Anthocyanic pigments from elicited in vitro grown shoot cultures of Vaccinium corymbosum L., cv. Brigitta Blue, as photosensitizer in natural dye-sensitized solar cells (NDSSC). JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY, 188, 69-76 [10.1016/j.jphotobiol.2018.09.002].
Lucioli, S; Di Bari, C; Forni, C; Di Carlo, A; Barrajon-Catalan, E; Micol, V; Nota, P; Teoli, F; Matteocci, F; Frattarelli, A; Caboni, E
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2108/224902
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