Dried guava

Dried guava

(records of Guangxi Traditional Chinese Medicine)

[source] it is the immature dry young fruit of guava.

[plant morphology] guava (Zha Wu Ming Shi Tu Kao), also known as Qiuguo (Nanyue notes), jiyaguo (plant Ming Shi Tu Kao), Linba, Bazi, Yeba, mubazi, Laba guava, guaguizi, Baizi, Luoba, Huaren, Fantao, guatao, Jiaotao, fanren.

Deciduous tree, 5-10m high. The bark is light yellowish brown, the twigs are square, with white short hairs, and the buds are densely covered with white short hairs. Leaves simple, alternate, rarely whorled, oblong elliptic to ovoid. It is 5-12 cm long and 3-5 cm wide, fragrant and leathery when kneaded. The apex is round or short pointed, the base is blunt to round, the whole margin is dark green on the top, the veins are slightly concave or flat, sparsely short hairy when tender, light green on the bottom, sparsely small glands, densely pubescent, the main veins are raised, the lateral veins are 7-11 pairs, also raised, slanting out near the leaf margin and curved; the petiole is 4 mm long. Flowers bisexual, axillary 1-4; calyx 5 pieces, green, oval; petals white, ovate, 2-2.5cm long; stamens many, as long as petals, filaments white, anthers light yellow, longitudinally split; pistil 1, style longer than filaments, stigma round, ovary inferior, 3-locular, ovules many. The berry is spherical, ovoid or pear shaped, 2.5-8 cm in length and 3-5 cm in diameter. The flesh is usually yellow, white or carmine. Seeds ovoid, pale white. The flowering period is from May to August. The fruit period is from August to November.

Distributed in Guangdong, Guangxi, Sichuan, Yunnan, Fujian and other places.

The root bark, bark (guava bark) and leaf (guava leaf) of this plant are also used for medicine. Please refer to the special section for details.

[collection] harvest in summer and autumn and dry in the sun.

[herbal medicine] the dried immature fruit is spherical, oval or pear shaped, 2-3cm in diameter; it is green when fresh, and dark brown when dry; its surface is slightly rough and hard, with persistent calyx and residual style at the top. The flesh is hard, light brown, 5-chambered, with many seeds densely embedded in it; the seeds are grayish brown, as big as mung bean, irregular oblate or triangular. The taste is slightly sour and astringent, and the gas is slightly fragrant. It is better to be full and solid.

It is produced in Guangxi and Guangdong.

[chemical constituents] the fruit contains β - sitosterol, quercetin, guava glycoside, gallic acid, paragallic acid, colorless cyanidin and vitamin C (330 mg). Rhamnose, xylose, ribose, arabinose, fructose, glucose, galactose, sucrose, valine, alanine, threonine, aspartic acid, glutamic acid and cystine were detected. It also contains polysaccharide such as glucosinolate and arabinose.

[nature and taste] Guangdong traditional Chinese Medicine II: "sour and astringent, warm. "

[functions and indications] ① the list of medicinal plants in Guangxi: antidiarrhea. "

② Guangdong traditional Chinese Medicine II: "stop dysentery. "

[usage and dosage] oral: decoction, 2-3 yuan.

[selected formula] detoxification of Croton toxin: dried Cymbidium, stir fried Atractylodes macrocephala and pomegranate peel. A bowl and a half of water, fried to a bowl of drink. (main poisonous plants in South China)