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Effect of methyl jasmonate treatments on the bioactive compounds and physicochemical quality of 'Fuji' apples Ciencia e Investigación Agraria
Öztürk,Burhan; Altuntas,Ebubekir; Yildiz,Kenan; Ozkan,Yakup; Saracoglu,Onur.
Recently, plant growth regulators have been used for various purposes in apples. Methyl jasmonate (MeJA) has significant effects on the physiology, postharvest biology, processing, and chemical composition of apples. In the present study, the effects of MeJAMeJa treatments on the physicochemical quality and bioactive compounds (total antioxidant activity, total phenolics, and total anthocyanins) of 'Fuji' apples were investigated. The following doses of MeJa were used: 0 (control); 1; 120; 2,240; and 4,480 mg L-1. The highest geometric mean diameter, fruit mass, flesh firmness and skin thickness were obtained from the 2,240 mg L-1 MeJA treatment. Fruits harvested from control trees exhibited the highest total soluble solids content (TSSC) and pH, whereas...
Tipo: Journal article Palavras-chave: Apple; Antioxidant; Color; Firmness; Methyl jasmonate; Phenolics.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202013000100018
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Methyl jasmonate induced overproduction of eleutherosides in somatic embryos of Eleutherococcus senticosus cultured in bioreactors Electron. J. Biotechnol.
Shohael,Abdullah Mohammad; Murthy,Hosakatte Niranjana; Hahn,Eun-Joo; Paek,Kee-Yoeup.
This study was concentrated on the production of eleutherosides and chlorogenic acid in embryogenic suspension cultures of Eleutherococcus senticosus by exposing them to different concentrations (50-400 µM) of methyl jasmonate (MJ) during the culture period. In the bioreactor cultures, eleutheroside content increased significantly by elicitation of MJ, however, the fresh weight, dry weight and growth ratio of embryos was strongly inhibited by increasing MJ concentrations. The highest total eleutheroside (7.3 fold increment) and chlorogenic acid (3.9 fold increment) yield was obtained with 200 µM MJ treatment. There was 1.4, 3.4 and 14.9 fold increase in the eleutheroside B, E, and E1 production respectively with such elicitation treatment. These results...
Tipo: Journal article Palavras-chave: Eleutherosides; Elicitation; Methyl jasmonate; Secondary metabolite; Siberian ginseng; Suspension culture.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582007000400016
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Postharvest treatments to mitigate the internal browning in "Bartlett" pears. Repositório Alice
ANTONIOLLI, L. R.; CZERMAINSKI, A. B. C.; ZUCOLOTO, M.; SIQUEIRA, D. L..
Internal browning is an important disorder in pear fruit which can lead to economic losses. Pears (Pyrus communis L. cv. Bartlett) were harvested at early harvest maturity of 90 N from a commercial orchard in southern Brazil. Methyl jasmonate, ethanol, and 1-methylcyclopropene vapor treatments were carried out for 24 hours in order to mitigate the internal browning disorder. Fruit were stored for up to 150 days at 0 ± 1 °C and 90 ± 5 % RH. Pears exhibited internal browning in 37 % of the control samples after 90 days of cold storage. However, no internal browning symptoms were observed in the 1-MCP treatment. The first symptoms in 1-MCP samples were noticed after 120 days of cold storage (12 %) and reached 100 % in five days at room temperature....
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Cold storage; Pêras Bartlet; Pyrus communis; Pera; Doenca de planta; Fruta de clima temperado; Pyrus communis L; Ethanol; 1-methylcyclopropene; Methyl jasmonate; Physiological disorder.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1054920
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Taxus globosa S. cell lines: Initiation, selection and characterization in terms of growth, and of baccatin III and paclitaxel production Biocell
Barradas-Dermitz,Dulce Ma.; Hayward-Jones,Patricia M.; Mata-Rosas,Martín; Palmeros-Sánchez,Beatriz; Platas-Barradas,Oscar B. J.; Velásquez-Toledo,Rodolfo F..
Of the initial six cell lines originating from explants of Taxus globosa, or Mexican yew (stem internode, leaves and meristematic tissue), three were selected for their microbial and oxidation resistance, two from leaves and the other from stem internode. A study of their behavior, both in terms of cell growth, and of baccatin III and paclitaxel production, was developed in suspension cultures with an initially standardized biomass (fresh weight 0.23 g/L) using modified Gamborg's B5 medium, and an elicitor (methyl jasmonate), on either the first or seventh day of culture, at several levels (0, 0.1, 1, 10, 100 μM). In most of the conditions used, the three cell lines showed growth associated baccatin III production. The cell line from stem...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Growth-associated metabolites; Methyl jasmonate; Paclitaxel precursor; Secondary metabolism; Suspension cell culture.
Ano: 2010 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452010000100001
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