Mother-of-pearl
(Zhenzhumu)
Margarita.
Pharmaceutical Name: Margarita.
Common Name: Mother-of-pearl, pearl.
Zoological Name: 1. Pteria martensii (Dunker); 2. Hyriopsis cumingii (Lea); 3. Cristaria plicata (Leach)
Source of Earliest Record: Haiyao
Bencao.
Part Used & Method for Pharmaceutical
Preparations: The pearl shells are collected and ground into powder.
Properties & Taste: Salty and cold.
Meridians: Heart and liver.
Functions: 1. To pacify the liver and
subdue the yang; 2. To clear heat in the liver and brighten the eyes.
Indications & Combinations:
1. Deficient blood in the liver manifested
as blurred vision and night blindness. Mother-of-pearl (Zhenzhumu) is used
with Atractylodes rhizome (Cangzhu), Pig liver (Zhugan) and Chicken's liver
(Jigan) or Rabbit's liver (Tugan).
2. Deficient yin of the liver and kidneys
and hyperactivity of liver yang manifested as headache, dizziness, vertigo,
tinnitus, irritability and insomnia. Mother-of-pearl (Zhenzhumu) is used
with White peony root (Baishao), Fresh rehmannia root (Shengdihuang), Sea-ear
shell (Shijueming) and Dragon's bone (Longgu).
3. Wind and heat in the liver meridian
manifested as red, swollen and painful eyes and photophobia. Mother-of-pearl
(Zhenzhumu) is used with Chrysanthemum flower (Juhua) and Plantain seed
(Cheqianzi).
Dosage: 15-30 g; 0.3-1 g (for pills).
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