DaiDaiHua Fructus aurantii

DaiDaiHua Fructus aurantii

FructusCitriAurantiiAmarae

Bitterorange fruit

[alias] Daidai, daidaiyuan and Suzhi.

[source] it is the generation flower of Rutaceae CitrusaurantiumL.var.amaraEngl The fruit of.

[plant morphology] small evergreen tree with sparse short spines and angular young branches. The leaves are oval to oval, 5-10cm long and 2.5-5cm wide; the petioles are 2-2.5cm long and the wings are obcordate. Flower raceme; calyx 5-lobed, lobes oval; flowers white, petals 5, 2-2.5cm long; stamens 21-24, often 3-5 combined. The fruit is oblate, 7-8 cm in diameter and non aromatic. The flowering period is from May to June, and the fruit maturity period is from December.

Cultivated in low mountains or hills. It is mainly produced in Jiangsu and Zhejiang.

[harvest] from July to August, the immature green fruits were harvested and cut in half from the middle, then dried or dried.

[character] the processed medicinal material is hemispherical, 3-4cm in diameter; its surface is greenish yellow or grayish yellow brown, with reticular wrinkles and residual calyx at the base of fruit stalk; the outer pericarp is 0.5-1cm thick, slightly everted, with 9-11 flesh sacs, 1-several immature seeds per petal, and the width of central axis is 4-8mm. It tastes bitter and sour.

[chemical constituents] it contains volatile oil, mainly limonene, decanal, nonanal, dodecanoic acid, linalyl acetate, nerolyl acetate, geranyl acetate, hesperidin, neohesperidin, etc.

[flavor] slightly cold in nature, bitter and sour in taste.

[function indications] Xingqi Kuanzhong, Xiaoshi, Huatan. It is used for chest and abdomen pain, indigestion, phlegm and prolapse.