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词汇 castor bean
释义

Definition of castor bean in English:

castor bean

noun
  • 1The seed of the castor oil plant, which contains a number of poisonous compounds, especially ricin, as well as castor oil.

    蓖麻子

    Example sentencesExamples
    • It's made from castor beans, hardly an obvious materiel.
    • In young castor bean plants, this time constant is around 15 ms, therefore making this plant particularly appropriate for spectroscopic NMR micro-imaging studies.
    • The poison is derived from the seeds and pods of the castor bean plant and may be inhaled, ingested or injected.
    • That was rubbish; they found a few castor beans in some flat.
    • One initial test conducted at the scene came back positive for the presence of ricin, a toxin made from the castor bean.
    • This order included conifers such as pines, firs, and cypresses (the distinction between true flowers and conifer cones was not clear), but also included a few true flowering plants, such as the castor bean.
    • In castor bean and soybean seeds, vacuolar processing enzymes were detected in the protein bodies and probably associated with the conversion of proproteins to their corresponding mature forms in vacuoles.
    • The main line of investigation is reportedly an effort to conduct DNA testing to determine the geographic origin of the castor bean plant from which the ricin is derived.
    • Although ricin can be purified through chemical extraction processes from castor beans, the material found in these jars was far less toxic than purified ricin.
    • But they say the poison derived from castor beans is most suited to being used in an assassination attempt on a leading public figure rather than a mass attack on a civilian target.
    • Ricin, which is derived from the castor bean plant, can kill within days.
    • Researchers are attacking the castor bean problem on the genetic front as well.
    • In contrast to soybean (where assimilates are stored in the cotyledons), the primary storage tissue in castor bean seeds is the endosperm, a maternal tissue which releases assimilates apoplasmically to the growing seedling.
    • The poison, derived from the castor bean plant, is extremely deadly in tiny amounts.
    • Those three components together tell you that you have mashed castor beans, not ricin.
    • Known as ricin, the compound's toxicity is one reason why American farmers no longer grow this crop extensively - even though a lucrative market exists for the castor bean's unique oil.
    • At this point, no one has exhibited symptoms of exposure to ricin, a deadly derivative of the castor bean.
    • If the castor beans are ingested, the toxin can cause stomach irritation, diarrhoea, abdominal pain, increased heart rate, profuse sweating, collapse, convulsions and death.
    1. 1.1North American The castor oil plant.
      〈北美〉蓖麻
      Example sentencesExamples
      • Herbs such as the castor bean and poison hemlock, which killed ancient Greek philosopher Socrates, are toxic.
      • And so it was back to the nursery for red daylilies and castor beans, burgundy-leafed cannas and other jewel-colored plants to go along with it.
      • Be very cautious about growing poisonous plants, like castor bean or hellebore, in readily accessible areas.
      • Similar findings were reported for castor bean and pea, supplied with as the sole nitrogen source.
      • The roots of castor bean responded to K + limitation with an enhanced biosynthesis and deposition of ABA.
      • A few weeks later, Gavin returned with a flat of castor bean seedlings.
      • Bengal Tiger, with its bold stripes of green and gold is a real show stopper, but I have a sneaky fondness for red flowered cannas with burgundy leaves mixed with the bold bluish burgundy foliage of the castor bean.
      • Called bi ma zi in herbology, castor bean is a bitter, acrid herb that reduces swelling and clears obstruction.
      • Even taller is a planting of castor beans Ricinus communis.
      • Two extremely toxic plants are castor bean and precatory bean or rosary pea (Abrus).

Definition of castor bean in US English:

castor bean

nounˈkastər bēn
  • 1The seed of the castor-oil plant. It contains a number of poisonous compounds, especially ricin, as well as castor oil.

    蓖麻子

    Example sentencesExamples
    • At this point, no one has exhibited symptoms of exposure to ricin, a deadly derivative of the castor bean.
    • The poison, derived from the castor bean plant, is extremely deadly in tiny amounts.
    • In young castor bean plants, this time constant is around 15 ms, therefore making this plant particularly appropriate for spectroscopic NMR micro-imaging studies.
    • Known as ricin, the compound's toxicity is one reason why American farmers no longer grow this crop extensively - even though a lucrative market exists for the castor bean's unique oil.
    • In castor bean and soybean seeds, vacuolar processing enzymes were detected in the protein bodies and probably associated with the conversion of proproteins to their corresponding mature forms in vacuoles.
    • The main line of investigation is reportedly an effort to conduct DNA testing to determine the geographic origin of the castor bean plant from which the ricin is derived.
    • But they say the poison derived from castor beans is most suited to being used in an assassination attempt on a leading public figure rather than a mass attack on a civilian target.
    • If the castor beans are ingested, the toxin can cause stomach irritation, diarrhoea, abdominal pain, increased heart rate, profuse sweating, collapse, convulsions and death.
    • One initial test conducted at the scene came back positive for the presence of ricin, a toxin made from the castor bean.
    • Researchers are attacking the castor bean problem on the genetic front as well.
    • In contrast to soybean (where assimilates are stored in the cotyledons), the primary storage tissue in castor bean seeds is the endosperm, a maternal tissue which releases assimilates apoplasmically to the growing seedling.
    • Those three components together tell you that you have mashed castor beans, not ricin.
    • This order included conifers such as pines, firs, and cypresses (the distinction between true flowers and conifer cones was not clear), but also included a few true flowering plants, such as the castor bean.
    • That was rubbish; they found a few castor beans in some flat.
    • Although ricin can be purified through chemical extraction processes from castor beans, the material found in these jars was far less toxic than purified ricin.
    • It's made from castor beans, hardly an obvious materiel.
    • The poison is derived from the seeds and pods of the castor bean plant and may be inhaled, ingested or injected.
    • Ricin, which is derived from the castor bean plant, can kill within days.
    1. 1.1North American The castor-oil plant.
      〈北美〉蓖麻
      Example sentencesExamples
      • And so it was back to the nursery for red daylilies and castor beans, burgundy-leafed cannas and other jewel-colored plants to go along with it.
      • Even taller is a planting of castor beans Ricinus communis.
      • Similar findings were reported for castor bean and pea, supplied with as the sole nitrogen source.
      • Bengal Tiger, with its bold stripes of green and gold is a real show stopper, but I have a sneaky fondness for red flowered cannas with burgundy leaves mixed with the bold bluish burgundy foliage of the castor bean.
      • The roots of castor bean responded to K + limitation with an enhanced biosynthesis and deposition of ABA.
      • A few weeks later, Gavin returned with a flat of castor bean seedlings.
      • Two extremely toxic plants are castor bean and precatory bean or rosary pea (Abrus).
      • Be very cautious about growing poisonous plants, like castor bean or hellebore, in readily accessible areas.
      • Called bi ma zi in herbology, castor bean is a bitter, acrid herb that reduces swelling and clears obstruction.
      • Herbs such as the castor bean and poison hemlock, which killed ancient Greek philosopher Socrates, are toxic.
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