Luan Hua

Luan Hua

(Ben Jing)

[source] it is the flower of Koelreuteria paniculata.

[plant morphology] Koelreuteria paniculata (zhengzitong), also known as muluan (MengXiBiTan), Shiluan, Heiye, mulanya, Shancha and ruanbang.

Deciduous shrubs or trees, up to 10 meters high. Branchlets dark black, pilose. Leaflets 7-15, papery, ovate or ovate lanceolate, 3.5-7.5 cm long, 2.5-3.5 cm wide, base obtuse or truncate, apex short pointed or short acuminate, margin serrate or split, sometimes pinnate to base, 2-pinnate. Panicle terminal, large, 25-40 cm long; flowers pale yellow, purple in the center; sepals 5, with small eyelashes; petals 4, with sparse hairs; stamens 8, with sparse hairs; pistils 1, with wavy teeth in the disk. Capsule long elliptic ovate, margin membranous thin wing 3 pieces. Seeds round, black. The flowering period is from July to August. The fruiting period is October.

Most of them grow in mixed wood forest or shrub forest. Distributed in Heilongjiang, Jilin, Liaoning, Hebei, Henan, Shandong, Jiangsu, Zhejiang, Anhui, Fujian, Taiwan, Sichuan, Shaanxi, Gansu, Shanxi and other places.

[chemical constituents] the fruit contains sterols, saponins, flavonoid glycosides, anthocyanins, tannins and uronic acids. Koelreuterin A and B were separated from koelreuterin. The dry seeds contained 9.4% moisture, 17.5% crude protein, 0.045% lecithin phosphate, 7.0% starch, 9.0% ash and 20.9% lipids. The seed kernel contained 38% oil, and sterol and palmitic acid were separated after saponification. The leaves contain methyl gallate, which can inhibit many kinds of bacteria and fungi.

[Xing Wei] 1. Ben Jing: "it tastes bitter and cold. "

② Bielu: "non toxic. "

[functions and indications] 1. In the book of Ben Jing, it is said that "when the eyes are in pain, the tears come out and hurt the body, and the swelling of the eyes is eliminated.". "

② "Tang Materia Medica": "he Huanglian for decocting, eye red rotten treatment. "

[taboo] notes to the classic of materia medica: "it is imperative to make a clear decision. "