18白鹤灵芝

白鹤灵芝

Rhinacanthus nasutus

白鹤灵芝，中药名。为爵床科灵枝草属植物白鹤灵芝 Rhinacanthus
nasutus (L.) Kurz 的枝或叶。分布于云南、广东、海南等地。具有清热润肺，杀虫
止痒之功效。常用于劳嗽，疥癣，湿疹。为爵床科植物。具有润肺降火、杀虫止痒
的功能。主治肺结核、肾炎水肿、体癣、湿疹。主产于广西、广东、云南等省
（区）。 灌木，高 1-2 米。叶对生，卵形、椭圆形或长圆披针形，有短柄。花单生
或 2-3 朵排成小聚伞花序，花冠管延长，2 唇形，白色。蒴果长椭圆形，种子 4 枚或
少数。

Rhinacanthus nasutus, commonly known as snake jasmine (Hindi: कबुतर
का फु ल kabutar ka phul, पालक जूही; Marathi: गजकर्णी gajkarni; Sanskrit: यूथिकापर्णी
yuthikaparni; Tamil: நாகமல் லீ,Nagamalli; Telugu: నాగమల్లె Nagamalle;
Tagalog: tagak-tagak).[1][2]

Native to India, this useful plant is a slender, erect, branched, somewhat hairy
shrub 1–2 m in height. The leaves are oblong, 4–10 cm in length, and narrowed and
pointed at both ends. The inflorescence is a spreading, leafy, hairy panicle with the
flowers usually in clusters. The calyx is green, hairy, and about 5 mm long. The
corolla-tube is greenish, slender, cylindric, and about 2 cm long. The flowers is 2-
lipped; the upper lip is white, erect, oblong or lancelike, 2-toothed at the apex, and
about 3 mm in both length and width; and the lower lip is broadly obovate, 1.1-
1.3 cm in both measurements, 3-lobed, and white, with a few, minute, brownish dots
near the base. The fruit (capsule) is club-shaped and contains 4 seeds.[3]

Uses

R. nasutus has been used to treat numerous diseases such
as eczema, herpes, pulmonary tuberculosis, hepatitis, diabetes, hypertension, and
different types of skin diseases.[4] It is also useful in treating snake bites.[5]

Rhinacanthus nasutus is known for its antioxidant property, Research has shown
that it has high potential to treat a number of neurodegenerative diseases -
deme.ntia, stroke, Huntington’s disease, Parkinson’s diseaseand Alzeheimer's
disease.[6][7][8][9]

Rhinacanthus nasutus serves as a potential agent for controlling Aedes
aegypti and Culex quinquefasciatus.[10]

Extracts of R.nasutus
showed antifungal, antibacterial, antiviral, anticancer, antiinflammatory, antidiabetica
nd antiproliferative activities.