TCM/Traditional chinese medicine/Natural medicine/Bai Fan /Alumen/
The Processing of Bai Fan
The extraction of alley-stone of sulfates mineral, mainly
containing KAl(SO4)2. •12H2O.
Mainly in Anhui, Zhejiang and Shanxi provinces of China.
Mined during whole year.
The actual smell and taste
Light smell, sour, slightly sweet and extremely astringent taste
Large, colorless and transparent.
Unprocessed or calcined; calcined to call Ku Fan.
The Effect of Bai Fan
Sour, astringent, cold; lung, spleen, liver and large intestine
Astringe dampness and relieve itching and counteract toxic pathogen
and killing parasites for external application, stop bleeding and
check diarrhea and resolve phlegm for internal application.
A. Pruritus of eczema, sores and ulcers, scabies and ringworm
It is good at astringing dampness and relieving itching so it is
suitable for treating eczema, manifested as pruritus, wet and
rotten surface of sores. For eczema pruritus with pus discharging,
it can be indicated singly in powder by dissolving it in cold water
to wash topically. It also can be combined with dampness-astringing
herbs to obtain the action of clearing heat and drying dampness,
healing wound and relieving itching, such as calcined Shi Gao, Bing
Pian and Huang Lian, etc. For scabies, ringworm with pruritus, it
is often combined with parasites-killing and ringworm-curing herbs
to reinforce the action of counteracting toxic pathogen and killing
parasites and curing ringworm and relieving itching, such as Liu
B. Bleeding syndrome
It has the action of stopping bleeding for both external and
internal application. It can be indicated for kinds of bleeding
syndromes such as hematemsis, epistaxis, hematochezia, metrorrhagia
and metrostaxis, traumatic bleeding. It can be used singly or
combined with other astringent hemostatics to reinforce the action
of stopping bleeding. For epistaxis endlessly, it is applied singly
in powder to blow into nose. For chronic hematochezia, it is often
combined with Pao Jiang to make into pills. For bleeding due to
incised wound, it is often combined with Song Xiang to grind into
powder for external application.
C. Chronic diarrhea, chronic dysentery
It can astringe intestines to check diarrhea and counteract toxic
pathogen to cure dysentery and stop bleeding for internal
application. For chronic dysentery with purulent and bloody stool,
it can obtain the action of treating both fundamental and
incidental aspect of disease. It is combined with
intestine-astringing herbs such as Wu Bei Zi and He Zi, etc. to
reinforce the action of astringing intestine to check diarrhea.
D. Wind stroke, phlegm syncope, epilepsy, cough and dyspnea due to
It is cold in nature and can clear and resolve heat-phlegm. For
wind-phlegm syncope, it is combined with other herbs of resolving
phlegm for resuscitation to obtain the action of resuscitation. For
instance, it is combined with Zhu Ya Zao in Jiu Ji Xi Xian San from
Shen Ji Zong Lu. For epilepsy with mania due to phlegm obstruction
of heart, it is combined with heart-clearing and
stagnation-smoothening herbs. For instance, it is used with Yu Jin
in powder to make into pills with Bo He, in Bai Jin Wan from Yi
Fang Ji Jie. For phlegm-fluid retention cough and dyspnea with
distention and fullness in septum pectorale, it is often combined
with phlegm-resolving and qi-regulating herbs to obtain actions of
drying dampness and resolving phlegm and regulating qi and soothing
chest, such as Ban Xia and Xiang Fu, etc.
In addition, it can be indicated for anal prolapse, prolapse of
uterus, leukorrhea and pruritus vulvae.
Dosage and Administrations
Take proper dose for external application, ground into powder for
direct use, mixed with other liquid or dissolved in water to wash
topically. Take powder or pills 0.6~1.0 g for internal application.