Longitudinally broken and irregular slices, frequently several slices agglutinated, about 1.5cm long, 2~4 cm wide, about 1mm thick. Brown, translucent. One surface shrunken, the other surface lustrous, with longitudinally fine wrinkles. Texture soft. Odor, slightly aromatic; taste, sweet.
To tonify the heart and the spleen, to nourish blood, and to tranquilize the mind.
Cardiac palpitation, forgetfulness and insomnia due to deficiency of qi and blood; anemia.
Having the efficacy of tonifying the heart and spleen and nourishing the blood to calm the mind, longan aril is an effective tonic usually administered for insufficiency of qi and blood due to impairment of the heart and spleen resulting from overstrain, manifested as palpitation, amnesia and insomnia. Applied individually, it can be decocted or steeped in hot water to be taken orally to cure deficiency of qi and blood in the old and the weak during their convalescence.
The kernels are ground to powder and applied as a styptic to abscesses, sores, wounds. etc.