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Latin
Name
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Margarita
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Chinese
Name
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picture
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Origin
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Pearl
is an article growing in Pteria martensii (Dunker), Pteriidae;
Hyriopsis cumingii (lea), Unionidae; or Cristaria plicata
(Leach), Unionidae.
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Distribution
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Natural
pearl is mainly produced in Guangdong, Guangxi and Taiwan
provinces. Fresh water cultivated pearl is produced in Heilongjiang,
Anhui and Jiangsu provinces and Shanghai Municipality.
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Nature
and Affinity
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It
is sweet and salty in taste, and cold in nature. Its therapeutic
action is related to the Channels of the Heart and Liver.
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Caution
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is contraindicated in patients without fire of excess type and
stagnated heat. |
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CHARACTERISTICS |
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Natural
pearls differ in size, the smallest being as small as a mustard
seed and the largest as large as a soybean. They are round,
oblong or rod-like in shape. The surface is smooth or has shallow
concavities, presenting a special lustre in white, light pink,
pale, yellowish-green or other colors. It is hard in texture,
and when broken, one can see stratifications on the broken surface.
Sometimes, there are foreign substances found in the centre
of the pearl. It gives out cracks when burnt. It is odorless
and tasteless. |
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ACTIONS
AND INDICATIONS |
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1.Tranquilizing
the mind and arresting convulsion.
Pearl is used in the treatment of epilepsy, palpitation due
to fright, acute febrile infantile convulsion, etc. Some people
take the mixture of pearl powder and honey to treat restlessness
and panic.
2.Improving acuity of vision and removing nebula.
It is applied in the treatment of conjunctivitis, pterygium,
nebula and astringent pain in the eyes. It may be taken orally,
however it is usually used as eye drops in combination with
other medicines.
3.Removing toxic substances and promoting granulation.
Pearl is prescribed to treat unhealing ulcers. |
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ADMINISTRATION
AND DOSAGE |
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Pearl
is made into the forms of pills or powder, not decoction, 0.1-0.3
gram in each dosage. The extremely fine powder may be used externally,
e.g. puffing the powder to cover the sore throat, dressing ulcers
and even making preparations for eye use. |
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REMARKS |
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