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Family Moraceae
Artocarpus blancoi (Elmer) Merr.

Scientific names   Common names
Artocarpus blancoi (Elmer) Merr. Antipolo (Tag.) 
Artocarpus communis var. blancoi Elmer Chipuho (Iv.)
  Kalanat (Ayta)
  Kalo (Bis.)
  Kolo (Bis.) 
  Pakak (Ilk.) 
  Teyep (Ayta)
  Tipolo (Tag., Pamp., Bik., P. Bis.)
Artocarpus blancoi (Elmer) Merr. is an accepted name. The Plant List

General info
- Artocarpus is a genus of some 60 trees of Southeast Asian origin, belong to the family Moraceae. The word Artocarpus is derived from the Greek words artos (bread) and karpos (fruit).
- It is said Antipolo City, the capital of Rizal, derived its name from the Antipolo tree, at a time when the tree grew in abundance locally.

Antipolo is a large tree, growing up to 30 meters tall. Its habit, size, and leaf characteristics are similar to Artocarpus altilis (Rimas). Leaves are simple, spirally arranged, with one to three pairs of lobes. Hairy petioles are about 8 centimeters long. Hairy stipules are about 10 centimeters long. Male inflorescence is smooth and cylindric, 5 to 8 centimeters long, flexuous, with spine-like structures. Fruit is ellipsoid, 10 centimeters long, 7 centimeters in diameter, ripening to yellow and orange-brown. Anthocarps are extended into 1-centimeter long, spiculate appendages. Seeds are ellipsoid, about 1 centimeter long, embedded in the fleshy part of the flesh.

- Endemic species.
- Found throughout the Philippines, in thickets and forests, at low and medium altitudes.

- IUCN Red List of Threatened Species: Listed as vulnerable, 1998. (9)

- Qualitative phytochemical screening of crude ethanol extract of leaves yielded moderate presence of glycosides and sterols and trace amounts of triterpenes, flavonoids, saponins, and tannins. (see study below) (8)

- Bark extract considered antimicrobial.
- Studies have suggested antimicrobial, ovicidal, larvicidal properties.

Parts utilized
Bark, roots.

- Leaves reportedly used as food by the Ayta people in Porac, Pampanga. (1)
- Fruits and seeds are cooked and eaten.
- Decoction of the two-parts bark of antipolo and one-part roots of Fleurya interrupta (Lipang aso) is used for strangularia.

- Wood: Used for carving and light construction.
Used as fiber plant for making pulp and paper. (4)
- Rope: Bast makes a weak rope, used for yoking buffaloes.
- Repellent: Ayta people burn dry leaves to repel mosquitoes. (2)
- Hunter's sap: Sticky sap from Tipolo placed on tall trees to capture to capture small birds. (6)

Study evaluated 848 solvent extracts from 106 species of Philippine plants belong to 44 families for antimicrobial activity. Of the plants, 62 to 58 percent yielded constituents with inhibitory activity to B. subtilis, M. aureus, E. coli and Mycobacterium tuberculosis. Artocarpus blancoi was one of the 9 most active plants which demonstrated exceptionally high values of antimicrobial activity. (5)
Gum / Drug Suspending Agent: Study evaluated gummy exudates obtained from incised bark of antipolo tree for potential pharmaceutical use as suspending agent. Physiochemical properties of crude gum suspension i.e. pH, viscosity, redispersibility time, sedimentation volume and degree of flocculation, were statistically comparable to standard acacia gum suspension. Results suggest the crude extract is a suitable alternative to imported acacia gum as suspending agent. (6)
Larvicidal / Ovicidal / Aedes aegypti / Leaves: Targeting the vector is one of ways for Dengue control Study evaluated crude ethanol extract and fractions of leaves of Artocarpus blancoi for larvicidal and ovicidal activities against Aedes aegypti. An ethyl acetate soluble fraction showed lowest LC50 value (18.59 pp) followed by crude ethanol (411 ppm), hexane (685 ppm) and aqueous (20,158 ppm) fractions. The EA fraction was also the most ovicidal (80 ppm). Activities were dose-dependent (see constituents above)  (6)
Xanthine Oxidase Inhibitory Activity / Anti-gout Potential / Bark: Study of bark of Artocarpus blancoi exhibited xanthine oxidase inhibitory activity at 64.64%. Purification of active compound using bioassay-guided identified 5,7,4'-trihydroxyflavanone-3-O-α--L-rhamnopyranosie. Activity was comparable to positive control allopurinol. (10)


Updated May 2020 / February 2018 / May 2016
Photos © Godofredo Stuart / StuartXchange

Additional Sources and Suggested Readings
Useful Plants of Selected Ayta Communities from Porac, Pampanga, Twenty Years after the Eruption of Mt. Pinatubo / Elena M. Ragragio*, Cynthia Neri Zayas** and Jasper John A. Obico* /Philippine Journal of Science / 142 (0): 169-181. November 2013
A survey of plants used as repellents against hematophagous insects by the Ayta people of Porac, Pampanga province, Philippines / Jasper John A. Obico* and Elena M. Ragragio / Philippine Science Letters Vol. 7, No. 1, 2014
Artocarpus blancoi (Elmer) Merr. is an accepted name / The Plant List
Antipolo / Ramon Aboitiz Foundation Inc. / 2011
Investigation of some Philippine plants for antimicrobial substances. / Edna V Ramos, Roseanna M de la Cruz, Victoria A Masilungan, Flora B Beloy / Philippine Journal of Science, Dec 1976, 105(4): pp 205-213
Wildlife hunting by indigenous people in a Philippine protected area: a perspective from Mt. Apo National Park, Mindanao Island / Krizler Cejuela Tanalgo / Journal of Threatened Taxa, 26 June 2017; 9(6): 10307–10313 / DOI: http://doi.org/10.11609/jott.2967.9.6.10307-10313 
Suitability of the gum from the bark of Antipolo tree (Atrocarpus blancoi (Elmer) Merr.) as drug suspending agent./ May Tagoc-Magtoto / Thesis/Dissertation: August 2010 / Philippine Council for Health Research and Development Library
Larvicidal and ovicidal activities of Artocarpus blancoi extracts against Aedes aegypti / Maria Ruth B Pineda-Cortel, Rachel Joy R Cabantog, Paulo M Caasi, Charles Anson D. Ching, Joseph Benjamin S. Perez, Paulo Gabriel M. Godisan / Pharmaceutical Biology, 2019; 57(1) /https://doi.org/10.1080/13880209.2018.1561727
Artocarpus blancoi
/ IUCN Red List of Threatened Species
Xanthine oxidase inhibitory activity of artocarpus blancoi / M C Fabian, C Chichioco-Hernandez / LATIN AMERICAN JOURNAL OF PHARMACY, Jan 2018; 37(12): pp 2525-2529

It is not uncommon for links on studies/sources to change. Copying and pasting the information on the search window or using the DOI (if available) will often redirect to the new link page. (Citing and Using a (DOI) Digital Object Identifier)

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