Antioxidants and porphyrin from in vitro cultures of adesmia boronioides, larrea divaricata and atriplex lampa
Polyphenols are involved in defense against UV-radiation as well as in antioxidant activity. There are many native plants from Patagonia empirically used with therapeutic goals. In order to study their antioxidant activity and pigments, three native patagonic species were cultured in vitro: Adesmia...
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todo:paper_03704661_v42_n2_p135_Estomba2023-10-03T15:30:08Z Antioxidants and porphyrin from in vitro cultures of adesmia boronioides, larrea divaricata and atriplex lampa Estomba, D. Fernandez, H.M. Stella, A.M. Anthocyanin Bioactive metabolites Catalase Patagonic plants Polyphenol Adesmia boronioides Atriplex Atriplex lampa Larrea Larrea divaricata Polyphenols are involved in defense against UV-radiation as well as in antioxidant activity. There are many native plants from Patagonia empirically used with therapeutic goals. In order to study their antioxidant activity and pigments, three native patagonic species were cultured in vitro: Adesmia boronioides, Larrea divaricata and Ariplex lampa. Seedlings obtained from sterile seeds were micropropagated for 60 days in MS medium + (2219 μM) 6-bencil amine purine-(0.053 μM) naftalen acetic acid, with a luminic intensity of 45 μmol foton.m-2.s-1,16:8 light: darkness, 22-24°C, subcultured every 20 days. A. boronioides showed 1.7 and 3.7 times more porphyrin than the other cultures. A low level of total and a/b chlorophyll ratio (2.98) was observed and catalase activity (EC 1.11.1.6) was the lowest. The highest amount of chlorophyll was found in L. divaricata, with a high content of clorophyll a (chlorophyll a/b ratio:21.04) and 2 to 13 times as much anthocyanins as the other cultures. A. lampa showed 4 to 6 times more polyphenols and catalase activity was 5 to 20 times higher than in the other cultures. Fil:Stella, A.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_03704661_v42_n2_p135_Estomba |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
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R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Anthocyanin Bioactive metabolites Catalase Patagonic plants Polyphenol Adesmia boronioides Atriplex Atriplex lampa Larrea Larrea divaricata |
| spellingShingle |
Anthocyanin Bioactive metabolites Catalase Patagonic plants Polyphenol Adesmia boronioides Atriplex Atriplex lampa Larrea Larrea divaricata Estomba, D. Fernandez, H.M. Stella, A.M. Antioxidants and porphyrin from in vitro cultures of adesmia boronioides, larrea divaricata and atriplex lampa |
| topic_facet |
Anthocyanin Bioactive metabolites Catalase Patagonic plants Polyphenol Adesmia boronioides Atriplex Atriplex lampa Larrea Larrea divaricata |
| description |
Polyphenols are involved in defense against UV-radiation as well as in antioxidant activity. There are many native plants from Patagonia empirically used with therapeutic goals. In order to study their antioxidant activity and pigments, three native patagonic species were cultured in vitro: Adesmia boronioides, Larrea divaricata and Ariplex lampa. Seedlings obtained from sterile seeds were micropropagated for 60 days in MS medium + (2219 μM) 6-bencil amine purine-(0.053 μM) naftalen acetic acid, with a luminic intensity of 45 μmol foton.m-2.s-1,16:8 light: darkness, 22-24°C, subcultured every 20 days. A. boronioides showed 1.7 and 3.7 times more porphyrin than the other cultures. A low level of total and a/b chlorophyll ratio (2.98) was observed and catalase activity (EC 1.11.1.6) was the lowest. The highest amount of chlorophyll was found in L. divaricata, with a high content of clorophyll a (chlorophyll a/b ratio:21.04) and 2 to 13 times as much anthocyanins as the other cultures. A. lampa showed 4 to 6 times more polyphenols and catalase activity was 5 to 20 times higher than in the other cultures. |
| format |
JOUR |
| author |
Estomba, D. Fernandez, H.M. Stella, A.M. |
| author_facet |
Estomba, D. Fernandez, H.M. Stella, A.M. |
| author_sort |
Estomba, D. |
| title |
Antioxidants and porphyrin from in vitro cultures of adesmia boronioides, larrea divaricata and atriplex lampa |
| title_short |
Antioxidants and porphyrin from in vitro cultures of adesmia boronioides, larrea divaricata and atriplex lampa |
| title_full |
Antioxidants and porphyrin from in vitro cultures of adesmia boronioides, larrea divaricata and atriplex lampa |
| title_fullStr |
Antioxidants and porphyrin from in vitro cultures of adesmia boronioides, larrea divaricata and atriplex lampa |
| title_full_unstemmed |
Antioxidants and porphyrin from in vitro cultures of adesmia boronioides, larrea divaricata and atriplex lampa |
| title_sort |
antioxidants and porphyrin from in vitro cultures of adesmia boronioides, larrea divaricata and atriplex lampa |
| url |
http://hdl.handle.net/20.500.12110/paper_03704661_v42_n2_p135_Estomba |
| work_keys_str_mv |
AT estombad antioxidantsandporphyrinfrominvitroculturesofadesmiaboronioideslarreadivaricataandatriplexlampa AT fernandezhm antioxidantsandporphyrinfrominvitroculturesofadesmiaboronioideslarreadivaricataandatriplexlampa AT stellaam antioxidantsandporphyrinfrominvitroculturesofadesmiaboronioideslarreadivaricataandatriplexlampa |
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