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Family Clusiaceae / Guttiferae
Binukaw
Garcinia binucao (Blanco) Cjoisy
BATUAN FRUIT
Scientific names Common names
Garcinia binucao (Blanco) Choisy Bangkok (Zambales)
Garcinia duodecandra Pierre Balakut (Ilk.)
Cambogia binucao Blanco Balikot ( Ilk.)
  Ballok (Benguet)
  Batuan (Tag., Bis.)
  Bilukao (Tag., Bik.)
  Binucao (Tag.)
  Binukaw (Tag.)
  Buragris (Bol.)
  Haras (P. Bis.)
  Kandis (Palawan)
  Kamurai (Cagayan)
  Kulilem (Cagayan)
  Maninila (Bik.)
  Batuan fruit (Engl.)
Garcinia binucao (Blanco) Choisy is an accepted name. Plants of the World Online
Batuan is a local name shared by Garcinia morella and G. binucao.


Botany
Binucao is a tree growing to a height of about 25 m with a diameter of about 40 cm. Bark is black. Leaves are opposite, shiny, and smooth. New leaves are reddish in color. Branches are pendulous. Flowers are small, reddish to creamy-white, borne in clusters. Fruits are subglobose, about 4 cm or more in diameter, yellowish when mature, with a firm ourter covering, containing a very acid and juicy pulp with numerous seeds. (8)

Distribution
- Native to the Philippines.
- Widely distributed throughout Luzon and the Visayas regions.
- Scattered, second-storey trees of primary lowland and secondary forests. (8)
- Found in Sri Lanka and India.

Constituents
- Study of G. binucao fruit yielded a mixture of ß-sitosterol (1) and stigmasterol (2) in a 3:2 ratio, and monounsaturated and saturated triglycerides (3). (4)
- Nutritional assessment of seed meal showed a protein content of 8.9 ± 0,59% dry basis. Solubility fractionation of seed meal yielded globulin and glutelin as the major seed proteins. The seed protein contained all essential amino acids with leucine as most abundant, tryptophan the least. Batuan seed proteins were mostly made up of acidic and hydrophobic amino acids with glutamic acid (2.67%) was highest. (see study below) (6)
- Phytochemical screening of fruits yielded phenolics, flavonoids, and tannins, with absence of alkaloids, cardiac glycosides, terpenoids, and saponins. (9)
- Fruits yielded 84.1 ± 0.6% moisture, total phenolics 758 ± 22 mg GAE/ 100 g FM, total flavonoids 312 ± 9 mg CE/100 g FM, radical scavenging 479.7 ± 4.0 mg AWAC/100 g FM. ferric reducing power 121.1 ± 3.5 mg AAE/100 g FM, E. coli MIC 2 mg/GAE/mL, S. aureus MIC 1.33 mg/GAE/mL. (9)

Properties
- Studies have suggested neuroprotective, antioxidant, antibacterial properties.

Parts used
Fruits.

Uses

Edibility
- Fruits are edible, tho very aciidic.
- Fruit and leaves ysed as a souring agent in some provinces. (2)
- Fruits used for making candies, jam, ice creams, helly, and dried pprunes. (7)
Folkloric
- In the Cordilleras, used for suppressing "agas ti nginao" (conceiving mother's cravings). cough, flu, and arthritis. (2)
- Dried fruits used as treatment for dysentery. Fresh fruits used to help lower hypertension. (7)
Others
- Wood: Used for light construction.

Studies
Neuroprotective / Alcohol-Induced Neurotoxic Effects on Learning, Memory and Motor Functions / Leaves:
Study evaluated crude methanolic leaf extracts in reducing deficits in learning, short-term memory and motor functions due to alcohol exposure using a Drpspphila melanogaster model. Treatment with GB extract to flies chronically exposed to alcohol showed no significant reductions in motor, learning, and short-term memory functions. The functions were actually increased (p<0.05) in a dose dependent manner, suggesting not ony neuroprotective effect, but also nootropic benefit. Mechanism of effect may be attributable to direct radical or oxidant scavenging properties of phytochemicals and modulation of signaling cascades which prevent neuronal apoptosis. (2)
Hydroxycitric Acid / Fruit: Hydoxycitric acid is a compound with anti-obesity property. Study reports on the most effective extraction method of hydroxycitric acid from batuan fruit. Results revealed G. binucao is a potential soure of hydroxycitric acid . Water extraction method yielded 4.81 ± 0.12 g/100 g. Methanol and acetone extraction methods yielded lesser amounts. (3)
Antibacterial Against Enteric Pathogens / Fruit: Study evaluated ethanolic leaf, seed, and fruit extrcts of G. binucao for antibacterial activity by disc diffusion assay against selected gastrointestinal pathogens i.e. Salmonella sp., Shigella sp., and Vibrio cholerae. Tetracycline, ampicillin, and ciprofloxacin were used as controls. Only the fruit extract showed inhibitory activity towards Salmonella with ZOI of 10.22 mm, Shigella sp 12.50 mm and vVibrio cholera 13.30 mm. The fruit extract was the most efficient in inhibiting growth of the intestinal pathogens. Activity was attributed to phytochemical constituents such as terpenes and phenols. (5)
Nutritional Potential / Seed Meal: Study evaluated the extraction and characterization of protein in batuan seeds. Nutritional assessment of seed meal showed a protein content of 8.9 ± 0,59% dry basis. Solubility fractionation of seed meal yielded globulin and glutelin as the major seed proteins. The seed protein contained all essential amino acids with leucine as most abundant, tryptophan the least. Batuan seed proteins were mostly made up of acidic and hydrophobic amino acids with glutamic acid (2.67%) was highest. Batuan seeds show promising potential as a source of valuable proteins and amino acids for use as food supplement/ehhancing ingredient. (6)
Biofuel Potential / Seed: Plammed stidu seeks to evaluate the biofuel potential of Garcinia binucao seed and provides comparison between bioethanol and biodesel. Among the batuan biomass, the seed is considered to have the highest potential for bioethanol production compared to peel and pulp. The seed endosperm has shown significantly higher total sugar (15.11 ± 1.01%) content than the peel (7.28 ±0.24%) and the pulp (3.32 ± 0.18$). The sugar increases from 3.94 ± 0.35% in the immature fruit to 10.18 ± 0.15% in the ripe fruit. Seed extract parameters of interest are appearance, acidity/alkalinity/ pHE. copper content, ethanol content, total acids and water content. (7)
Physiochemical, Nutritional and Sensorial Properties: Study evaluated the physiochemical properties and nutritional profile of different parts and stages of fruit maturity of batuan. The pulp constituted the biggest part of the fruit; the immature one contained high moisture, which decreased with maturity. Ash, protein, sugar, protein, starch, total carbohydrates, total soluble solids and sodium were low in the fruits. Seeds contained high crude fat, crude protein and tannin. Fruits qwew high in vitamin C, potassium, phosphorus, mcalcium, magnesium, iron, and trace levels of zinc, copper,, and manganese. On sensory evaluation, fresh and dry, powdered fruits were comparable in color, mouth feel, taste, and general acceptability as souring agent for fish stew. The good physiochemical properties and nutrient contents are comparable or better than somce conventional fruits used as souring agents. The powdered fruit has potential as a ready-to-use souring agent for domestic consumption. food industry, and other applications. (10)
Antidiabetic /, Enzyme Inhibition / Leaf and Fruit: Study evaluated the fruit and leaf phytochemicals, antioxidant activity, and α-amylase and α-glucosidase inhibitory activities. Results showed both leaf and fruit were risch in flavonoids, anthocyanins, and polyphenols. Leaf and fruit showed high antioxidant activity using DPPH free radical scavenging assay and FRAP assay. Very low IC50 values for α-amylase of 41.28 and 41.21 ppm and α-glucosidase of 53.28 and 50.20 ppm suggested effective enzyme inhibition. Results suggest both leaf and fruit have potential for lowering postprandial hyperglycemia. (11)

Availability
Wild-crafted.

July 2021

PHOTOS / ILLUSTRATIONS
OTHER IMAGE SOURCE: / Photo / Clusiaceae : Garcinia binucao fruiting twig / Copyright © 2013 by Racquel Tan Chua-Barcelo / (contact: pieter.pelser@canterbury.ac.nz) [ref. DOL71570] / Non-Commercial Use / Phytoimages.siu.edu

Additional Sources and Suggested Readings
(1)
Garcinia binucao / Synonyms / Plants of the World Online
.

(2)
Garcinia binucao crude ethanolic leaf extract prevents alcohol-induced neurotoxic effects on learning, short-term memory, and motor functions in Drosophila melanogaster / Ourlad Alzeus G Tantengco, Joanne Jennifer E Tan, Nicholas Robert C Tan, Maria Concepcion Sison, Mark B Medina / Jpirma; pf Applied Pharmaceutical Sciences, Oct 2018; 8(10): pp 106-112 / DOI: 10.7324/JAPS.2018.81014
(3)
Isolation and quantification of hydroxycitric acid from batuan [Garcinia binucao (Blanco) Choisy] fruit / L C Bainto, E I Dizon, K A T Castillo-Iarael, A C Laurena / International Food Research Journal, April 2018; 25(2): pp 705-711
(4)
Sterols and triglyceride from the fruit of Garcinia binucao / Consolacion Y Ragasa, Oscar B Torres, Elizabeth Marasigan and Chien-Chang Shen / Der Pharma Chemica, 2014; 6(6): pp 229-232 / ISSN: 0975-413X
(5)
Antibacterial activity of Garcinia binucal (Blanco) (Batuan) extract on selected enteric pathogens / A M P Hipe, N P V Laxanaba, and J S San Sebastian / De La Salle University, Dasmariñas City, Cavite
(6)
Extraction and characterization of "Batuan" [Garcinia binucao (Blco.) Choisy] seed protein / E S Ouevedo, M S Lacsamana / Annals of Tropical Research, 2014; 36(2): pp 88-103 / ISSN: 0116-0710
(7)
Ethanolic Batuan (Garcinia binucao) Seed: Undiscovered Biofuel Potential / Christyl Jude, Ugalde Yuri Khalif Ivaran, Trisha Mae Rojas et al / Senior High School Department, University of Santo Tomas, Legazpi
(8)
Lesser Known Edible Tree Species / Helen B Florido and Fe F Cortiguerra / Research Information Series on Ecosystems. Sept-Dec 2003; 15(3)

(9)
Phytochemical Screening, Total Phenolics and Antioxidant and Antibacterial Activities of Selected Philippine Indigenous Fruits / Mariam C Recuenco, James Russell P de Luna, Nathalia G Magallano, and Kevin C Salamanez / Philippine Journal of Science, Oct 2020; 149(3a): pp 697-710 / ISSN: 0031-7683
(10)
Physiochemical Properties, Nutritional and Sensory Quality of "Butuan" [Garcinia binucao (Blanco) Choisy] Fruits / Elizabeth S Quevedo, Antonio C Laurena and Florinia E Merca / Annals of Tropical Research, 2013; 35(2): pp 1-21
(11)
Garcinia binucao Fruit and Leaf: Phytochemicals-Mediated Antioxidant, Alpha-Amylase and Alpha-Glucosidase Enzyme Inhibitors / Leann Patrice Ganzon, Anne Nicole Occena / Iloilo National High School

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)

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