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Family Myrtaceae
Lubeg
Syzygium cerasiforme (Blume) Merr. & L.M.Perry
PHILIPPINE CHERRY
Chinese

Scientific names Common names
Clavimyrtus latifolia Blume Lagi-lagi (Tag.)
Clavimyrtus lineata (DC.) Blume Lubeg (Apayao)
Clavimyrtus symphytocarpa Blume Malubeg (Apayao)
Eugenia cerasiformis (Blume) DC. Philippine cherry (Engl.)
Eugenia lineata (DC.) Duthie  
Eugenia longicalyx Ridl.  
Eugenia longiflora (C.Presl.) Fern.-Vill.  
Eugenia marivelesensis Merr.  
Eugenia miquelii Elmer  
Eugenia rubricaulis (Miq.)  
Eugenia teysmanmii (Miq.) Koord. & Valeton  
Jambosa cerasiformis (Blume) Hassk.  
Jambosa latifolia (Blume) Miq.  
Jambosa lineata DC.  
Jambosa rubricaule Miq.  
Jambosa symphytocarpa (Blume) Korth ex Miq.  
Jambosa teysmanmii Miq.  
Myrtus cerasiformis Blume  
Myrtus lineata Blume  
Syzygium cerasiforme (Blume) Merr. & L.M.Perry.  
Syzygium lineatum (DC.) Merr. & L.M.Perry.  
Syzygium longicalyx (Ridl.) Massam.  
Syzygium longiflorum C.Presl  
Syzygium teysmanmii (Miq.) Massam.  
   
Syzygium cerasiforme (Blume) Merr. & L.M.Perry is an accepted name. KEW: Plants of the World Onliine

Other vernacular names
BOREO: Galam, Obah.
CAMBODIA: Pring,  Pring chan, Pring phnom.
INDONESIA: Kayu udang.
JAVA: Gelam, Ki  sireum,, Nagasari.
MALAYSIA: Kayu kelat,  Kelat puteh,  Sekujah.
THAILAND: Daeng song  plucak,  Khi tai,  Phung kha.
VIETNAM: Tram ba vo,  Tram hang, Tram khe.

Gen info
- Etymology: The species name "Syzygium" is derived from the Greek word "syzygos", meaning the paired and opposite leaves; "lineatum" refers to striped, netted veins on the leaves. (7)

Botany
Syzygium lineatum is a shrub or evergreen tree  growing up to 30 meters tall, usually much lower,  with a dense foliage. Trunk is erect, up to 50 cm diameter, with a grayish bark  tending to flake off with age. Leaves are simple, opposite, 6-12 cm long and 2.5-4.5 cm wide, with acuminate to caudate apex, and entire margin, rather leathery, with numerous secondary veins, parallel and spaced 1-2 mm;  petioles about 1 cm.  Inflorescences are terminal or axillary erect cymes, 4-12 cm long bearing several white or white-pinkish bisexual flowers,  fragrant, rich in nectar, with obconical hypathium. about 6 nn long,  calyz with  4 semicircular lobes,  2 mm long and 3 mm wide, persis, tent in the fruit, 4 ovate petals precociously deciduous, 3-4 mm long and wide,  numerous white stamens 0.6-1 cm long, and about 1 cm long style. Fruits are globose to ellipsoid berries,  1-1.4 cm long, 1 cm diameter,  initially green, turning white and reddish when ripe, fleshy, edible and one-seeded. (1)

Distribution
- Native to the Philippines.
- Also native to Borneo, Cambodia, China Java, Laos, Lesser Sunda Islands, Malaysia, Myanmar, Singapore, Sumatra, Thailand, and Vietnam. (1)
- Common in swamps and flooded zones.

Constituents
- Study of leavrich in tannins.
- Study of leaves for essential oil   by gas chromatography flame ionization detector (GC-FID)  with GC-MS yielded 0.15 (v/w) calculated on dry weight basis. Main constituents were ß-caryophyllene (64.53%),  α-pinene (6.14%), α-selinene (4.76%),  and α-humulene (4.39^). (3)
- Phytochemical analysis of ethanol extract yielded flavonoids,   tannins, and saponins in both leaves,and fruits, with absence of alkaloids.  (4)

Properties
- Study has suggested  cytotoxicity and anticancer properties.

Parts used
Bark and roots.

Uses

Edibility
- Fruit is edible. Ripe fruits are eaten fresh or used as ingredient in fish sinigang or meat dishes.
- Fruit has potential for processing into jam and jelly, and fermentation to produce wine and vinegar. (4)
Folkloric
- No reported folkloric medicinal use in the Philippines.
Others
- Wine: In a study for its potential for processing, results suggest
lubeg wine may be preferable to bignay or duhat wine.


Studies
Cytotoxic Lignan Esters / Bark and Roots::
Study evaluated ,ethanol extract of dried bark and roots of S. lineatum for cytotoxic activity against HT-29 human colon cancer cell line. Three new  and several known lignan esters and a new triterpene acetate were isolated. Several lignan esters were found to b active. A preliminary structure-activity relationship study  showed that both ester groups and their dimeric  were required for the compounds to mediate cytotoxicity against HT-29 cells. (6)
Taxonomic and Molecular Identification: Study aimed to taxonomically classify and molecularly identify the indigenous species through DBA barcoding. "Lubeg" was found to belong to the family Myrtaceae under the species Syzygium (Gaertn.). It was identified as Syzygium lineatum (Roxb.) (DC.) Merr. & Perr. This was the first sequence of Syzygium under the rbcL gene. Using the phylogenetic tree, the "Lubeg" sequence is closest to Syzygium malaccense, and the out-group is Eucalyptus globulus. (7)

Availability
Wild-crafted.

 

March 2022

PHOTOS / ILLUSTRATIONS
IMAGE SOURCE: / Photo / : Syzygium lineatum / Infructescence / Copyright © 2018 by P.B. Pelser & J.F. Barcelona (contact: pieter.pelser@canterbury.ac.nz) [ref. DOL129283] / Non-Commercial Use / click on image to go to source page / Phytoimages.siu.edu
 

Additional Sources and Suggested Readings
(1)
Syzygium lineatum / Pietro Puccio / Monaco Nature Encyclopedia
(2)
Syzygium cerasiforme / Synonyms / Plants of the World Onlinee
(3)
Analysis of Essential Oils from Leaf of Syzygium hancei Merr., & Perry, Syzygium caryophyllatum (L.)Alston, and Syzygium lineatum (DC.) Merr. and Perry from Vietnam /  Tran Hau Khanh, Pham Homg Ban / Journal of Essential Oil Bearing Plants, 2020; 23(3)  DOI:  10.1080/0972.2020.060X.2020.1790429
(4)
Phytochemical qnqlysis or Lubeg (Syzygium lineatum (DC.) Merr. & L.M.Perry) species in Apayao
/   Maria Christina Zarate-Manicad /  International Journal of Novel Research in Life Sciences,  Dec 2016;  3(6): pp  1-5 / ISSN:  2394-966X
(5)
Development of Lubeg (Syzygium lineatum (Roxb.)   MNenette T Columna / err. & Perry Processed Products
/  Ocampo and  Usita /  Asia Pacific Journal of Multidisciplinary Research, 2015; 3(4): pp 118-123 / pISSN:  / eISSN:2350-7756 / eISSN: 2350-8442

(6)
Cytotoxic Lignan Esters from the Bark and Roots of Syzygium l Cf. lineatum
/   Y Ren,  T N Ninh,,  H B Chai,  Planta Med, 2016; A D Kinghorn et al / Planta Med, 2016 / DOI: 10.1055/s-0036-1578773
(7)
"Lubeg" (Phlippine Cherry), Syzygium llineatumm(Roxb.) DC. Merr. & Perry: Its Taxonomic and Molecular Identification / Indian Journal of Science and Technology, 2019; 12(35): pp 1-7 /

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)

PHOTOS / ILLUSTRATIONS
                                                            List of Understudied Philippine Medicinal Plants

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