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Family Apocynaceae
Dugtong-ahas
Tagulauai
Parameria laevigata A. Juss.

Other scientific names Common names  
Parameria barbata Blume Bulau-bulau (P. Bis.)  Pataan (Ilk.)
Parsonia barbata Blume Dugtong-ahas (Tag.) Patian (Ilk.)
Ecdysanthera barbata Miq. Gamot-sambali (Tag.) Pulang-pulang (Ilk.)
Ecdysanthera glandulifera A. DC. Ikdig-ñga-purau (Ilk.) Sada (Ig.)
Echites torisa Llanos Inggiu-na-puti (Tag.) Sadak (Ilk.)
Parameria vulneraria Radlk. Itiban (Tag.) Sagid (Bis.)
Parameria philippinensis Radlk. Karkarsang (Ig.) Sagit (Tag.)
Parameria glandulifera Benth. Kuni-na-puti (Tag.) Tagolauai (Tag.)
a Lumpiit (Ilk.) Taguk-taguk (Bis.)
  Lupiit (Ilk.) Tagulauai (P. Bis.)
  Ogoi (Ig.) Yakdig (Ilk.)
  Parugtong-ahas (Tag.)  



Botany
Dugtong-ahas is a woody vine. Leaves are oblong or obovate-lanceolate, 7 to 10 cm long, pointed at both ends. Flowers are small, white and clustered. Fruit is very long and slender, 15-20 cm in length, smooth, narrowed between seeds. Seeds are about a centimeter long, sharply pointed at one end and crowned on the other end with numerous white hairs about 2.5 cm long.

Distribution
In thickets and open forests at low and medium altitudes.

Parts utilized
Bark, twigs, leaves.

Constituents
The bark contains a caoutchouc, 8.5%, which may be mixed with a resin.

Properties
Long known and valued as a cicatrizant.

Uses
Folkloric
Cuts and lacerations: Pound twigs and leaves and apply on affected parts.
Infusion of leaves taken internally as an emmenagogue, to facilitate menses.
The bark, macerated in oil is an efficient vulnerary; also used internally for tuberculosis.
Decoction of the bark is drunk after childbirth to help shrink the uterus.
Decoction of the bark also used for dysentery and externally for wounds.
Referred to as "Balsamo de Cebu," prepared by cooking in coconut oil a mixture of the root bark and branches of Parameria barbata.
In Indonesia, it is an ingredient of a folk medicine called "Jamu" or" Kayu rapet," traditionally used as an anti-ulcer or anti-diarrheal medicine and for treating wounds.
Others
"Tagulauai" oil is valued as a cicatrizant; to prepare, macerate the bark in coconut oil.
"Balsamo de Tagulaway" or Balsamo de Cebu is prepared by cooking the root-bark and branches of Parameria barbata in coconut oil to form a yellowish-white oily liquid which is used for skin disease and wounds. (A. Pharm., Nov., 1885.)

Studies
Phytochemicals / Bark Constituents:
Studies on the constituents of bark of Parameria laevigata moldenke: One new trimeric proanthocyanadin and two new tetrameric proanthocyanidains – parameritannin A-1 and parameritannin A-2 were isolated from the bark of Parameria laevigata Moldenke.
Jamu / Anti-thrombotic / Anti-arteriosclerotic:
P laevigata, one of many components in a study, was shown to have an anti-thrombus effect.

Availability
Wild-crafted.

Last Update October 2010

IMAGE SOURCE / Digitized / Minor Products of Philippine Forests / Vol 2 / William H Brown / Figure 32/ Parameria barbata (Dugtung ahas) / 1920

Additional Sources and Suggested Readings
(1)
Studies on the constituents of bark of Parameria laevigata moldenke / Kamiya K et al / Chem. Pharm. Bull. 49(5) 551—557 (2001)
(2)
Balsa of Cebur or Tagulaway.

(3)
Research and Development of Prophylactic and Therapeutic Agents for Age-Related Diseases in Aging Society Search for the Substances to Prevent Thrombosis and Arteriosclerosis from Natural Resources / Journal Code:N20051692 / VOL.;NO.;PAGE.110-112(2003)


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