Which is the major phytoalexin in alfalfa (Medicago sativa L.)?
['Medicarpin, the major phytoalexin in alfalfa, is synthesized via the isoflavonoid branch of phenylpropanoid metabolism.', 'Medicarpin, the major phytoalexin in alfalfa, is synthesized by way of the isoflavonoid branch of phenylpropanoid metabolism.', 'The major phytoalexin in alfalfa is the isoflavonoid (-)-medicarpin (or 6aR, 11aR)-medicarpin.', 'The isoflavonoid conjugates medicarpin-3-O-glucoside-6-O-malonate (MGM), afrormosin-7-O-glucoside (AG), and afrormosin-7-O-glucoside-6-O-malonate (AGM) were isolated and characterized from cell suspension cultures of alfalfa (Medicago sativa L.), where they were the major constitutive secondary metabolites.', 'Alfalfa (Medicago sativa L.) cell suspension cultures accumulated high concentrations of the pterocarpan phytoalexin medicarpin, reaching a maximum within 24 hours after exposure to an elicitor preparation from cell walls of the phytopathogenic fungus Colletotrichum lindemuthianum.', "The isoflavonoid conjugates medicarpin-3-O-glucoside-6''-O-malonate (MGM), afrormosin-7-O-glucoside (AG), and afrormosin-7-O-glucoside-6''-O-malonate (AGM) were isolated and characterized from cell suspension cultures of alfalfa (Medicago sativa L.), where they were the major constitutive secondary metabolites", 'The major phytoalexin in alfalfa is the isoflavonoid (-)-medicarpin (or 6aR, 11aR)-medicarpin', 'Medicarpin, the major phytoalexin in alfalfa, is synthesized via the isoflavonoid branch of phenylpropanoid metabolism', 'Medicarpin, the major phytoalexin in alfalfa, is synthesized by way of the isoflavonoid branch of phenylpropanoid metabolism']
['The major phytoalexin in alfalfa (Medicago sativa L.) is the isoflavonoid (-)-medicarpin (or 6aR, 11aR)-medicarpin. Medicarpin is synthesized via the isoflavonoid branch of phenylpropanoid metabolism.']
['medicarpin']