Seed when castor beans have been ingested by animals. In addition, seeds containing amygdalin—apple, apricot, bitter almond, peach, plum, cherry, quince, and others—when consumed in sufficient amounts, may cause cyanide poisoning. Other seeds that contain poisons include annona, cotton, custard apple, datura, uncooked durian, golden chain, horse-chestnut, larkspur, locoweed, lychee, nectarine, rambutan, rosary pea, sour sop, sugar apple, wisteria, and yew. The seeds of the strychnine tree are also poisonous, containing the poison strychnine. The seeds of many legumes, including the common bean ("Phaseolus vulgaris"), contain proteins called lectins which can cause gastric distress if the beans are eaten without cooking.
Tea seed oil percent of the fatty acids. It is high in vitamin E and other antioxidants and contains no natural trans fats. In Japan, it is mainly used as a cooking oil and in hair products. Tea seed oil is used in salad dressings, dips, marinades and sauces, for sautéing, stir frying and frying and in margarine production. Tea seed oil is commonly used to protect carbon steel cooking knives from rust. Tea seed oil should not be mistaken for tea tree oil (melaleuca oil), an inedible essential oil extracted from the leaves of the paperbark, "Melaleuca alternifolia", and used for medicinal