Common Burreed Tuber

Primarily produced in the Chinese provinces of Jiangsu, Henan, Shandong, Jiangxi, Liaoning.

Conical or flat oval shape, round top and pointed bottom, 2.5~5cm long, 1.5~3.5cm diameter; Externally yellowish-white or grayish-yellow, smooth or rough, with scars from cutting, and dense spotted rootlet scars, slightly horizontal circular arrangement, both sides have projections, uneven; firm texture, very hard to break, sinks in water. Cut surface is flat, yellowish-white or grayish-white, dark towards center, center has numerous indistinct vascular bundles, faint odor, tasteless, spicy sensation when chewed.

Superior medicinal material is even, heavy, firm, removed the outer skin, externally yellowish-white.

Acrid, bitter, neutral

Breaks blood, moves qi, resolves accumulation, stops pain. Apply to various cancer, and blood stasis and qi stagnation, abdominal mass, liver and spleen swelling, amenorrhea with abdominal pain, food accumulation and swelling pain.

Vinegar san leng: Fry san leng slices followed the vinegar process until darken in color. Every 100kg san leng need 15kg vinegar. Conical, slightly flat shape, 2~6cm long, 2~4cm diameter. Externally yellowish-white or grayish-yellow, with scar from cutting, small spotted rootlet scars in slightly horizontal circular arrangement. Fractured surface is brown, heavy in weight, firm texture.