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Family Fabaceae
Oringen
Balitbitan
Cynometra ramiflora
Linn.
WRINKLE POD MANGROVE

Scientific names Common names
Cynometra ramiflora Linn. Balitbitan (Tag.)
Cynometra ramiflora subsp. genuina Prain Komon (Bis.)
Accepted Infraspecifics Odling (Bis.)
Cynometra ramiflora var. bifoliolata (Merr.) Meeuwen Oringen (Tag.)
Cynometra ramiflora var. ramiflora Ula (Ibn.)
  Ulud (Tag.)
  Cynometra (Engl.)
  Wrinkle pod mangrove (Engl.)
Cynometra ramiflora L. is an accepted species. KEW: Plants of the World Online

Other vernacular names
BENGALI: Shinguri, Shingar, Singra, Shingra, Seeri.
CAMBODIA: Chom prinh.
INDONESIA: Kateng, Kepel, Sala, Wunut.
KHMER: Champre:nh.
MALAYSIA: Katong laut, Katong, Kenkaton.
THAILAND: Phang kha, Ma khak, Maeng kha.
VIETNAM: C[aa]y tr[aa]m ngh[eej], C[aa]y m[os]t, Cay tram nghe, Cay mot.
TRADE NAME: Kekatong.


Gen info
- Etymology: The genus name Cynometra derives from the Greek word kunometron, meaning dog matrix, referring to the fruit pods. The species epithet, ramiflora, derives from Latin rami- meaning 'branches' and -florus meaning 'flowered', referring to the flower-bearing branches.

Botany
Oringen is an erect, small tree. Leaves are alternate and smooth, consisting of 2 to 6 leaflets. Leaflets are leathery, about 10 centimeters long, about a third as wide. Flowers are yellowish white, corymbosely fascicled or upon short racemes, and subtended by large bracts. Fruit is hard, scurfy brown, 2 to 4 centimeters long.

Cynometra ramiflora is a small to medium-sized tree of up to 30 m tall, bole up to 60 cm in diameter and sometimes with buttresses of up to 90 cm high, outer bark smooth but with numerous lenticels, dark grey to brown, inner bark whitish or light brown to red, sapwood pale pinkish-brown, heartwood cream to reddish-brown. Leaves with 1-2 pairs of rounded to acuminate leaflets, the lower pair usually smaller than the upper one. Pod distinctly rugose, globose or slightly flattened, woody, 2.2-5 cm × 1.3-4 cm. (18)

Distribution
- Native to the Philippines.
- In forests along streams at low and medium altitudes in Cagayan, Bulacan, Rizal, and Quezon Provinces in Luzon.

- A recent contribution to horticulture, it is cultivated for its beautiful, pendant inflorescences covered with large, conspicuous, attractive silvery bracts.
- Also native to Andaman Is., Bangladesh, Bismarck Archipelago, Borneo, Cambodia, Caroline Is., Christmas Is., India, Jawa, Lesser Sunda Is., Malaya, Marianas, New Caledonia, New Guinea, Nicobar Is., Queensland, Solomon Is., Sri Lanka, Sulawesi, Sumatera, Thailand, Vietnam. (6)

Constituents
- Roots considered purgative.
- Ethanolic extract yielded three compounds as major constituents, viz., caffeic acid (1), apigenin (2) and 3-(2,3,4-trihydroxyphenyl)-7-hydroxycoumarin (3).
(see study below) (9)
- Leaves yielded flavonoids, tannins, alkaloid, phenolics, saponins, and steroids.

Properties
- Roots considered purgative.
- Studies have suggested antioxidant, cytotoxic, antibacterial, CNS depressant, antinociceptive, antiulcer properties.

Parts used
Seeds, leaves, bark.

Uses

Folkloric
- Roots are purgative.
- Seeds and leaves are used as anti-herpetic.
- In Malabar, leaves used to make a lotion for skin diseases.
- Oil drawn from the seeds also used for skin affections.
- In Bangladesh, a honeyed lotion made from leaves and boiled in cow's milk is applied to scabies, leprosy, and other skin lesions. Seed oil also used for the same. (11)
- In Indonesia, plant used to treat diabetes, hypertension, high uric acid. (14)
Others
- Timber: Wood used for interior and light construction, plywood, decorative veneers. Also for firewood and charcoal.
- Dye:
Wood chips yield a purple dye in water. (17)


Studies
Cytotoxic / Anticancer Activity:
Study investigated the cytotoxic effects of various extracts from 16 Bangladesh medicinal plants, including Cynometra ramiflora, against human gastric, colon and breast cancer cell lines. CM exerted low toxicity against mouse fibroblast but selective cytotoxicity against different cancer cell lines. (1)
Phytochemical / Antibacterial: Phytochemical screening yielded gums, reducing sugars, tannins and saponins. Study showed moderate antimicrobial activity against E coli, Staph epidermis, Shigella dysenteriae, Enterococci, S sonnei, S aureus, S typhi, S flexneri and Vibrio cholera. (2)
Blood Glucose Lowering: Extract of Cynometra ramiflora was found to significantly lower the postprandial blood glucose level of the sucrose loaded rats significantly. (3)
Neuropharmacological / Antibacterial / Antinociceptive: Crude methanolic extract of bark of C. ramiflora was evaluated for neuropharmacological, antibacterial and antinociceptive properties. Results showed depressant central nervous system effects. Toxicity testing showed safety up to 1600 mg/kbw. Extract also showed significant antibacterial activity against V. cholera, S. typhi, S. aureus. The methanolic extract showed significant inhibition of writhing in the acetic acid-induced writhing model in white albino mice. (4)
Antioxidant / Cytotoxic: Study investigated the antioxidant, cytotoxic activities and chemical constituents of ethanolic extracts of C. ramiflora. On DPPH radical scavenging assay, stem barks showed the highest antioxidant activity. Cytotoxic activity was most active against WiDR cell lines. (see constituents above) (7)
Cytotoxic: In a study of 32 extracts of Bangladesh plants for selective cancer cell cytotoxic activity, C. ramiflora showed low toxicity (IC50 >2.5 mg mL-1 against mouse fibroblasts but selective cytotoxicity against different cancer cell lines. (8)
Antibacterial / Stem Bark: Study evaluated the antibacterial activity of an ethanolic extract of stem bark of Cynometra ramiflora against five bacterial species. Results showed antibacterial activity with MBC value of 2% against S. aureus, P. aeruginosa and S sonei, with low potential against K. pneumonia and E. coli. (9)
Anti-Ulcer / Leaves: In a study evaluating anti-ulcer properties of medicinal plants, methanolic extract of leaves of Cynometra ramiflora showed weak antiulcer activity with 13.9% ulcer inhibition and ulcer index of 5.167±0.989. (10)
• Antioxidant / Stem Bark: Study evaluated the antioxidant activity of C. ramiflora various methanol extract and fractions of fruit, leaves, and stem bark using DPPH assay. The stem bark methanol extract showed highest activity with IC50 41.90 ppm. (12)
• Antiviral for Dengue Virus / Leaves: Study evaluated the effect of Cynometra ramiflora leaf extract in vitro on Huh71t-1 cells as a specific antiviral for DENV infection. Results showed inhibition of DENV replication (IC50 20.1 µg/mL). Toxicity to Huh7it showed a CC50 of 125 µg/ µg/mL. Results suggest the extract is not toxic and has potency as antiviral for DENV. (13) Study evaluated the antiviral activity of C. ramiflora leaves extract against DENV-2 in-vitro. C. ramiflora leaves extract at 1.25, 2.5, 5, 10 and 20 µg/ml resulted in (p<0.05) 36.06%, 45.96%, 47.35%. 55.94%, and 62.70% inhibition towards DENV-2, respectively. Results suggest the extract has potency against dengue virus. (22)
• Cytotoxicity to WiDR Cell / Leaves: Study evaluated ethanol extract of stem bark and leaves of C. ramiflora for cytotoxicity effects against cancer cell lines. Leaves showed cytotoxicity effect to HeLa, T47D and WiDR with IC50 of 1.92, 6.37, and 0.41 g/mL, respectively. The leaves showed selective cytotoxicity to WiDR cell line. (14)
• Glucose Lowering / Stem Bark: Study evaluated the glucose lowering effects of ethanol extract of bark Sala on wistar rats with glucose elevation induced by alloxan. Results showed significant (p<0.05) decrease in blood glucose in rats compared to control. (15)
• Xanthine Oxidase Inhibitory Activity / Leaves: Study evaluated the xanthine oxidase inhibitory activity of methanol leaf extracts of 11 medicinal plants. All the extracts inhibited xanthine oxidase. S. thaipengensis and C. pulcherrima showed highest inhibition. C. ramiflora exhibited more than 20% inhibition at 5 uL and >50% inhibition at 15 uL. Allopurinol was standard at 100%. (16)
• Iron Oxide Nanoparticles / Antibacterial / Leaves: Study reports on the cost-effective, fast, and eco-friendly synthesis of iron oxide nanoparticles using leaf extract of C. ramiflora. The as-synthesized NPs exhibited potential antibacterial activity against E. coli and S. epidermis. The NPs can be used as Fenton-like catalyst to degrade harmful dyes. (19)
• Magnetic Iron Oxide Nanoparticles / Catalytic Remediation / Fruits: Study reports on the novel and eco-friendly synthesis of magnetic iron oxide NPs using fruit extract of C. ramiflora, an indelible fruit waste. Photocatalytic ability of the NPs was demonstrated by degradation of methylene blue dye under sunlight irradiation. The NPs could play a vital role in the environmental catalytic remediation of polluted water. (20)
• Cytotoxicity against Cancer Cell Lines / Stem Bark: Study evaluated the cytotoxicity effect of ethanol extract of C. ramiflora stem bark against cancer cell lines. Results showed cytotoxicity to HeLa, T47D and WiDR cell lines with IC50s of 17733.73, 10764.65 and 599.38 ppm, respectively. (21)

Availability
Wild-crafted.

Updated April 2023 / May 2018 / January 2016

PHOTOS / ILLUSTRATIONS
IMAGE SOURCE: Illustration / Cynometra ramiflora L. / [as tripa] / Rheede tot Drakestein, Hendrik van, Hortus Indicus Malabaricus, vol. 4: t. 31 (1683) / contributed by the Library of the Missouri Botanical Garden, U.S.A. /  plantillustrations.org
IMAGE SOURCE: Leaves / Cynometra ramiflora /  Lauren Gutierrez/ Foter / CC BY-ND / original image from flickr /
IMAGE SOURCE: Close-up of flowers / Photograph by: Sankowsky, G. / © Australian National Botanic Gardens / click on image to go to source page / Useful Tropical Plants
IMAGE SOURCE: Seeds / Cynometra ramiflora L. - cynometra / Tracey Slotta @ USDA-NRCS PLANTS Database / USDA

Additional Sources and Suggested Readings
(1)
Cytotoxic Effects of Bangladeshi Medicinal Plant Extracts / Shaikh J Uddin, I Darren Grice and Evelin Tiralongo / eCAM, doi:10.1093/ecam/nep111
(2)
Phytochemical and pharmacological screening of Shingra (Cynometra ramiflora Linn., Family: Leguminosae) bark based on its traditional uses / Mohammed Ahad Ali Khan /
(3)
Search for antihyperglycemic activity in few marine flora and fauna / Priti Tiwan, Neha Rahuja, Rajesh Kumar et al / Indian Journal of Science and Technology,Vol.1 No 5 (Oct. 2008)
(4)
Evaluation of Neuropharmacological, Antibacterial, and Antinociceptive Activity of Methanolic Extract of the Bark of Cynometra ramiflora Linn. / Siraj Md Afjalus et al / Int Journ Res. Ayurveda Pharm., 2013; 4(2) / DOI: 10.7897/2277-4343.04220
(5)
Cynometra ramiflora L / Vernacular names / GLOBinMED
(6)
Cynometra ramiflora / Plants of the World Online
(7)
Antioxidant, Cytotoxic Activities and Chemical Constituents of Cynometra Ramiflora Linn / Muhtadia*, Haryoto, Tanti Azizaha, Peni Indrayudha, Andi Suhendi, Khong Heng Yen / International Journal of Indigenous Medicinal Plants, Vol.47, Issue1
(8)
Cytotoxic Effects of Bangladeshi Medicinal Plant Extracts / Shaikh J. Uddin, I. Darren Grice, and Evelin Tiralongo* / Evid Based Complement Alternat Med. 2011; 2011 / doi: 10.1093/ecam/nep111
(9)
Antibacterial Activity of Ethanol Extract of Steam Bark of Cynometra Ramiflora Linn Against Various Bacterial / Andi Suhendi, Peni Indrayudha, Haryoto, Tanti Azizah and Muhtadi / The Open Conference Proccedings Journal, 2013, Volume 4
(10)
ANTI-ULCER ACTIVITY OF LEGUMINOSAE PLANTS / Noemi D. PAGUIGAN, Darryl Hannah B. CASTILLO, and Christine L. CHICHIOCO-HERNANDEZ / Arq Gastroenterol v. 51 no. 1 - jan./mar. 2014
(11)
Cynometra rammiflora / Medicinal Plants of Bangladesh
(12)
Antioxidant Activity of Sala (Cynometra ramiflora Linn) Plant Extract / Sontaya Sookying, Dumrongsak Pekthong, AM Oo-puthinan, Jie Xing, Zhaoqi Zhan, Kornkanok Ingkaninan / The Open Conference Proceedings Journal, 2013; 4: 56 / DOI: 10.2174/2210289201304010056
(13)
Effects of C. ramiflora Linn. Leaf Extract Against Dengue Virus Replication In Vitro on Huh7it-1 Cell / Meutia, Zatuilla Zahra; Dewi, Beti Ernawati / Advanced Science Letters, Volume 23, Number 7, July 2017, pp. 6834-6837 / DOI: https://doi.org/10.1166/asl.2017.9411
(14)
ACTIVITY OF SITOTOKSIK ETANOL EXTRACT PLANT GROWTH (Cynometra ramiflora Linn) ON HEAVY CELL, T47D and WiDR / Haryoto Haryoto, Muhtadi Muhtadi, Peni Indrayudha, Tanti Azizah, Andi Suhendi / Jurnal Penelitian Saintek, Vol 18, No 2 / http://dx.doi.org/10.21831/pse.v18i2.2137
(15)
Antidiabetes Mellitus Ekstrak Etanol Kulit Batang Tumbuhan Sala (Cynometra Ramiflora L.) Terhadap Tikus Jantan Galur Wistar yang Diinduksi Aloksan / UMS Publikasi Ilmiah
(16)
Xanthine oxidase inhibitory activity of some Leguminosae plants
/ Leomel E Argulla, Christine L Chichioco-Hernandez / doi:10.1016/S2222-1808(14)60602--2
(17)
A Manual of Indian Timbers. / Gamble. J. S. / Bishen Singh Mahendra Pal Singh: 1972
(18)
Cynometra ramiflora (PROSEA) / M H A Hoffman: Plant Resources of South-East Asia / Pl@ntUse
(19)
Structural characterization, antibacterial and catalytic effect of iron oxide nanoparticles synthesised using the leaf extract of Cynometra ramiflora / Silvia Groiss, Raja Selvaraj, Thivaharan Varadavenkatesan, Ramesh Vinayagam /  Journal of Molecular Structure, 2017; Vol 1128: pp 572-578 /
DOI: 10.1016/j.molstruc.2016.09.031
(20)
Facile synthesis of magnetic iron oxide nanoparticles using inedible Cynometra ramiflora fruit extract waste and their photocatalytic degradation of methylene blue dye /  Shahana Bishnoi, Aarti Kumar, Raja Selvaraj / Materials Research Bulletin, 2018; Vol 97: pp 121-127 / 
DOI: 10.1016/j.materresbull.2017.08.040
(21)
Cytotoxic Effects OF Ethanol Extract of Cynometra Ramiflora Linn of Steam Bark on Cancer Cell Lines / Faujan Bin H Ahmad, Mansour Ghaffari Moghaddam, Nur Hana Faujan /  The Open Conference Proceedings Journal (Biological Sciences, Chemical Sciences, Physical Sciences, Medicine, Engineering & Technology) , 2020, Vol 10 / ISSN: 2210-2892
(22)
Antiviral Activity of Cynometra ramiflora Linn Leaves Extract Against Replication of Dengue Virus Serotype 2 on Huh 7.5 Cell In Vitro / Amry Irsyada Yusuf, Beti Ernawati Dewi, Fithriyah Sjatha / Proceecings of BROMO Conference, 2018; pp 198-201 / ISBN: 978-989-758-347-6 / DOI: 10.5220/0008359901980201

DOI: 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)

                                                            List of Understudied Philippine Medicinal Plants

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