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Family Boraginaceae
Tsaang gubat
CHA, TSA
Carmona retusa
WILD TEA

Other scientific names  Common names   
Carmona retusa  Alangit (Bis.)   Kalamoga (Tag.) 
Carmona heterophylla Cav.  Alangitngit (Tag., Bis.)  Kalimomog (Tag.) 
Ehretia buxifolia Boxb.  Balingsaa (C. Bis.)  Kalimumog (Tag.) 
Ehretia heterophylla Spreng.  Buntatai (P. Bis.)  Mangit (Tag., Bis.) 
Ehretia microphylla Lam. Buyo-buyo (Sul.)  Mara-mara (Bis., S.L. Bis.) 
  Buyok-buyok (Sul.)  Maratia (Ibn.) 
  Cha (Tag.)  Mura-mara (P. Bis.) 
  Chaang-bundok (Tag.)  Palupo (Iv.) 
  Chaang-gubat (Tag.)  Putputai (Bik.)
  Gari (Bag.)  Santing (Sul.) 
  Icha-nga-atap (Ilk.) Tsa (Tag.) 
  Icha-ti-bakir (Ilk.)  Fukien tea tree (Engl.) 
  Itsa (Ilk.) Scorpionbush (Engl.) 
    Wild tea (Engl.) 

Botany
Erect, very branched shrub growing up to 1.5 - 4 m high. Leaves in clusters on short branches, 3-6 cm long, entire or somewhat toothed or lobed near the apex and pointed at the base, short stalked and rough on the upper surface. White flowers are small, axillary, solitary, 2 or 4 on a common stalk. Fruit yellow when ripe, 4-5 mm in diameter, fleshy, with a 4-seeded stone.

Distribution
Easily found in thickets and secondary forests, at low and medium altitudes.

Parts utilized
Leaves


Uses
Culinary
Tea made from the leaves.
Folkloric
Leaf decoction or infusion for abdominal colic, cough, diarrhea and dysentery.
Root decoction used as an antidote for vegetable poisoning.
For diarrhea: Boil 8 tbsp of chopped leaves in 2 glasses of water for 15 minutes; strain and cool. Use 1/4 of the decoction every 2 or 3 hours. Decoction has also been used as a dental mouthwash.
Decoction of leaves used as disinfectant wash after childbirth.
New Application
• Being promoted by the Department of Health (DOH) as an antispasmodic; for stomach/abdominal pains.
• One of a few herbs recently registered with the Bureau of Foods and Drugs as medicines.


Studies
Antiallergic Activity:
Tsaang gubat, together with Lagundi and Sambong, were studied for possible anti-allergic subtances to counter the histamine release from mast cells that cause type-1 reactions. From tsaang-gubat, rosmarinic acid and microphyllone were isolated.
Antibacterial / Antinocicpetive / Anti-inflammatory: Study of CR leaves yielded an intractable mixture of triterpenes– a-amyrin, ß-amyrin and baurenol and a wide range of bioactivity. The mixture showed analgesic, anti-inflammatory, anti-diarrheal and antibacterial activities.
Antimutagen: An antimutagenic principle was extracted from the leaves of C retusa with ethyl alcohol.
Triterpene Bioactivities/ Analgesic / Anti-inflammatory / Anti-diarrheal / Antimicrobial: Study yielded an intractable mixture of triterpenes, a-amyrin, ß-amyrin and baurenol, from the leaves of C retusa. It exhibited analgesic activity, some anti-inflammatory activity, anti-diarrheal activity, and moderate antimicrobial activity against S aureus, C albicans and T mentagrophytes.
Anti-Tumor: Carmona retusa leaf extracts were tested for anticancer property and results showed it can be used as an anticancer agent.

Availability
Wild crafted.
Commercial: Tablets and tea bags



Additional Sources and Suggested Readings
(1)
ANTIALLERGIC AND ANTIDIABETIC COMPOUNDS FROM SOME PHILIPPINE MEDICINAL PLANTS
(2)
Evaluation of the bioactivity of triterpene mixture isolated from Carmona retusa (Vahl.) Masam leaves / Journal of Ethnopharmacology • Volume 92, Issue 1, May 2004, Pages 53-56 / doi:10.1016/j.jep.2004.01.017

(3)
Antimutagen from leaves of Carmona retusa (Vahl) Masam. / Irene Villaseñor and Ddeborah Edu / Mutation Research/Genetic Toxicology • Volume 298, Issue 3, January 1993, Pages 215-218/ doi:10.1016/0165-1218(93)90043-D
(4)
Evaluation of the bioactivity of triterpene mixture isolated from Carmona retusa (Vahl.) Masam leaves / Irene Villaseñor et al / Journal of Ethnopharmacology • Volume 92, Issue 1, May 2004, Pages 53-56 / doi:10.1016/j.jep.2004.01.017
(5)
In Vitro Anti-Tumour Activity Of Carmona Retusa / Govindappa Melappa et al / 2nd International Conference on Drug Discovery and Therapy / Feb 1-4, 2010 / Dubai, UAE


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