Dynamics of Polyphenol Biosynthesis by Calli Cultures, Suspension Cultures and Wild Specimens of the Medicinal Plant Ligaria cuneifolia (Ruiz & Pav.) Tiegh. (Loranthaceae). Analysis of Their Biological Activity
Ligaria cuneifolia (R. et P.) Tiegh. (Loranthaceae) is a South American hemiparasitic species with antioxidant, antitumoral, antimicrobial, and antilipidemic activities attributed to its polyphenolic content. We studied the polyphenolic pattern of L. cuneifolia during different phenological stages: flowering, fruiting, and post-fruiting. The highest total phenolic content was found in stems at post-fruiting (214 ± 12.1 mg gallic acid eq·g-1 DW) and fruiting (209 ± 13.7 mg gallic acid eq·g-1 DW), followed by post-fruiting leaves (207 ± 17.5 mg gallic acid eq·g-1 DW). Flavonoids accumulated at higher levels in leaves and hydroxycinnamic acids in leaves at flowering and post-fruiting. The polyphenolic pattern was similar between organs from wild plants and in vitro cultures, although at a significantly lower level in the latter ones. The performance of calli growing under a 16 h photoperiod in a modified White medium with 1-naphthalene acetic acid (2.50 μM) and Kinetin (9.20 μM) was better than in the dark. When calli grew in media only with auxins (IAA, NAA, and 2,4-D, all at 2.50 µM concentration), its growth and polyphenolic content improved. Cell suspensions with 2.50 µM NAA and 9.20 µM KIN grew slowly and produced very small amounts of polyphenols. As for the antioxidant activity, it was detected in all samples (approximately 1000 µmol trolox eq·g-1 DW) except fruits, where a lower value was found (328 µmol trolox eq·g-1 DW). In vitro cultures have the lowest antioxidant activity when compared to methanolic extracts from organs of wild specimens. Finally, antimutagenic or mutagenic activity in wild plants and in vitro culture extracts was not detected by the Ames test.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:10 |
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| Enthalten in: |
Plants (Basel, Switzerland) - 10(2021), 8 vom: 20. Aug. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ricco, María Valeria [VerfasserIn] |
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| Links: |
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| Themen: |
Antioxidant capacity |
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| Anmerkungen: |
Date Revised 31.08.2021 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3390/plants10081713 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM329945882 |
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| 100 | 1 | |a Ricco, María Valeria |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Dynamics of Polyphenol Biosynthesis by Calli Cultures, Suspension Cultures and Wild Specimens of the Medicinal Plant Ligaria cuneifolia (Ruiz & Pav.) Tiegh. (Loranthaceae). Analysis of Their Biological Activity |
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| 520 | |a Ligaria cuneifolia (R. et P.) Tiegh. (Loranthaceae) is a South American hemiparasitic species with antioxidant, antitumoral, antimicrobial, and antilipidemic activities attributed to its polyphenolic content. We studied the polyphenolic pattern of L. cuneifolia during different phenological stages: flowering, fruiting, and post-fruiting. The highest total phenolic content was found in stems at post-fruiting (214 ± 12.1 mg gallic acid eq·g-1 DW) and fruiting (209 ± 13.7 mg gallic acid eq·g-1 DW), followed by post-fruiting leaves (207 ± 17.5 mg gallic acid eq·g-1 DW). Flavonoids accumulated at higher levels in leaves and hydroxycinnamic acids in leaves at flowering and post-fruiting. The polyphenolic pattern was similar between organs from wild plants and in vitro cultures, although at a significantly lower level in the latter ones. The performance of calli growing under a 16 h photoperiod in a modified White medium with 1-naphthalene acetic acid (2.50 μM) and Kinetin (9.20 μM) was better than in the dark. When calli grew in media only with auxins (IAA, NAA, and 2,4-D, all at 2.50 µM concentration), its growth and polyphenolic content improved. Cell suspensions with 2.50 µM NAA and 9.20 µM KIN grew slowly and produced very small amounts of polyphenols. As for the antioxidant activity, it was detected in all samples (approximately 1000 µmol trolox eq·g-1 DW) except fruits, where a lower value was found (328 µmol trolox eq·g-1 DW). In vitro cultures have the lowest antioxidant activity when compared to methanolic extracts from organs of wild specimens. Finally, antimutagenic or mutagenic activity in wild plants and in vitro culture extracts was not detected by the Ames test | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a antioxidant capacity | |
| 650 | 4 | |a condensed tannins | |
| 650 | 4 | |a dedifferentiated cultures | |
| 650 | 4 | |a flavonoids | |
| 650 | 4 | |a hemiparasite | |
| 650 | 4 | |a hydroxycinnamic acids | |
| 650 | 4 | |a mistletoe | |
| 650 | 4 | |a phenolics | |
| 650 | 4 | |a secondary metabolites | |
| 700 | 1 | |a Bari, Martín León |e verfasserin |4 aut | |
| 700 | 1 | |a Catalano, Alejandra Vanina |e verfasserin |4 aut | |
| 700 | 1 | |a López, Paula |e verfasserin |4 aut | |
| 700 | 1 | |a Dobrecky, Cecilia Beatriz |e verfasserin |4 aut | |
| 700 | 1 | |a Teves, Sergio Adrián |e verfasserin |4 aut | |
| 700 | 1 | |a Posadaz, Ariana |e verfasserin |4 aut | |
| 700 | 1 | |a Laguia Becher, Melina |e verfasserin |4 aut | |
| 700 | 1 | |a Ricco, Rafael Alejandro |e verfasserin |4 aut | |
| 700 | 1 | |a Wagner, Marcelo Luis |e verfasserin |4 aut | |
| 700 | 1 | |a Álvarez, María Alejandra |e verfasserin |4 aut | |
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