Sandalwood oil

Oil

[source] it is the volatile oil from the heartwood of sandalwood. For details of plant morphology, please refer to "sandalwood" section.

[preparation method] the heartwood of sandalwood is finely cut and put into a large-scale distiller. After distillation, 3-5% Sandalwood oil can be obtained. The oil should be stored in a bottle tightly to avoid sunlight and gas leakage.

[medicinal material] pure sandalwood sleeve is colorless or even yellowish slightly viscous oil, which has the inherent aroma of sandalwood. It can be dissolved in 6 times of 70% ethanol at 20 ℃, specific gravity 0.973-0.985 (25 ℃), optical rotation - 15-20 ℃.

[chemical composition] see "sandalwood".

[pharmacological action] the antibacterial effect of sandalwood oil was not strong, and its phenol coefficient to Salmonella typhi was below 0.1. It can relieve ineffective cough; excessive can cause stomach, kidney and skin irritation. It can improve the symptoms of dysuria. The growth of Staphylococcus aureus in urinary tract of rats was reduced by 60% after feeding 0.5-2 g / kg for several days. The inhibitory concentration of sandalwood oil was 1:64000-1:128000, which was also effective on Shigella dysenteriae, and 1:32000 had inhibitory effect on Mycobacterium avium. It has no effect on Escherichia coli. Sandalwood oil also has diuretic effect, paralyzes isolated rabbit small intestine and stimulates rabbit ear skin.

[nature and taste] ① in the collection of Compendium: "taste bitter. "

② Chinese Medical Dictionary: "bitter, warm. "

[function indications] it is used to treat epigastric pain, vomiting and drenching.

① "Gangmu Shiyi": "eliminate evil, appetizer, antiemetic. "

② "Chinese Medical Dictionary": "treatment of abdominal pain, waist and kidney pain, Xiaore swelling, and rub it. "

③ "New materia medica preparation": treatment of turbidity. "

[usage and dosage] oral administration: put into capsules, 0.02-0.2 ml each time (1 ml per day). External use: wiping.