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THEACEAE Camellia sinensis (L.) Kuntze

Synonym

THEACEAE Thea sinensis L.
THEACEAE Camellia sinensis (L.) Kuntze var. assamica (Mast.) Kitam.

Thai / English name

ชา*

[1-2] of 2 article(s) found

หน้า 1

[1] PROBABLE ANTAGONISM OF WARFARIN BY GREEN TEA.
TAYLOR JR,WILT VM
ANN PHARMACOTHER 1999 Vol.33(4),426-8 414711 [Abstract]

Part Used : ใบ
Activity : COAGULANT ACTIVITY

Solvent/Active Compound : Green tea

Type of experiment : human
Type of animal : -

Type of study : Case report

N(Total) : 1
N(Treatment) : 1

Sex : Male
Age : 44 years

Route : Oral administration
Dose/Conc.(herb) : One-half to one gallon per day

Duration : One week
Type of interaction : Pharmacodynamics

Interaction with drug : Warfarin
Dose/Conc.(drug) : -

Result : Positive

Remark : The patient had an international normalized ratio (INR) 3.79 after receiving warfarin on entering clinic. Twenty-two days later his INR was 1.367. One month later the patient's INR was 1.14. It was subsequently discovered that the patient began drinking one-half to one gallon per day about one week prior to the INR 1.37. On discontinuation of green tea, the patient's INR increased to 2.55.

Note : Data incomplete.

[2] PROBABLE ANTAGONISM OF WARFARIN BY GREEN TEA.
TAYLOR JR,WILT VM
ANN PHARMACOTHER 1999 Vol.33(4),426-8 418717 [Abstract]

Part Used : ไม่ระบุ
Activity : COAGULANT ACTIVITY

Solvent/Active Compound : vitamin K

Type of experiment : human
Type of animal : -

Type of study : Case report

N(Total) : 1 (M/F=1/-)
N(Treatment) : 1 (M/F=1/-)

Sex : Male
Age : 44 years old

Route : Oral administration
Dose/Conc.(herb) : one-half to one gallon of green tea per day

Duration : one week
Type of interaction : Pharmacodynamics

Interaction with drug : Warfarin
Dose/Conc.(drug) : -

Result : Positive

Remark : -The patient was receiving warfarin for thromboembolic prophylaxis. The patient had an international normalized ratio (INR) of 3.79 on entering our clinic. Twenty-two days later his INR was 1.37. One month later the patient's INR was 1.14. It was subsequently discovered that the patient began drinking one-half to one gallon of green tea per day about one week prior to the INR of 1.37. On discontinuation of the green tea, the patient's INR increase to 2.55. - Green tea can be a significant source of vitamin K and thus antagonize the effect of warfarin.

Note : Data incomplete

หน้า 1

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