| Abstract |
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PURPOSE:To obtain a food and drink, containing a water-soluble precipitate prepared by extracting a plant of the family Solanacease, etc., with a solvent having a specific dielectric constant as an active ingredient, having high inhibitory activity against angiotensin converting enzymes and useful for preventing hypertension. CONSTITUTION:The objective food and drink obtained by extracting one or two or more selected from plants (e.g. tomato, papaya, guava or mango) belonging to the families Solanaceae, Myrtaceae, Anacardiaceae and Caricaceae with a |