Pomegranate proven benefits uses

pomegranate

Scientific names Common names
Punica granatum Linn. Dalima (Sul.) 
Punica nana L Granada (Span., Tag.)
Punica spinosa Lam.       [Illegitimate] Pomegranate (Engl.) 
Granada is a common name shared by (1) Granadilla, Granada (Pang.), Passiflora incarnata, and (2) Granada, Punica granatum.
Punica granatum L. is an accepted name

 

Other vernacular names
CHINESE: Shi liu.
CROATIAN : Sipak.
DANISH : Granatæble.
DUTCH : Granaatappel.
ESTONIAN : Harilik granaadipuu.
FRENCH : Ecorce de grenade (rind), Ecorce de grenadier (bark), Grenade (fruit), Grenadier (tree).
GERMAN : Granatapfel, Granatapfelbaum, Granatapfelstrauch, Granatwurzelrinde (rind).
GREEK : Rodi, Rodia.
GUJARATI: Dadam.
HINDI: Anar.
ITALIAN : Granato , Granato a frutto dolce, Melagrana, Melograno, Pomogranato.
JAPANESE : Zakuro, Zakuro, Zakuro.
KANNADA: Daalimbe.
KOREAN : Seog ryu
MALAYALAM: Madalam.
MALAY : Buah delima, Delima (Indonesia), Delima (Bali).
NEPALESE : Anaar, Daariim.
NORWEGIAN : Granateple.
RUSSIAN : Granat.
SANSKRIT : Dadima, Darimba, Madhubiija.
SPANISH : Beejpur, Granada, Granado, Mangrano.
TAMIL: Madulai.
THAI : Ma ko, Thap thim.

Pomegranate has been in traditional medicinal use for more than 3000 years. Ancient and mystical, it has been written about in the Old Testament of the Bible, the Jewish Torah, and the Babylonian Talmud as a sacred fruit with powers that bestow fertility, abundance, and good luck. It is also part of the iconography of rituals, art, and mythology – the personal emblem of the Roman Emperor, Maximilian, the symbol and heraldic device of the ancient city of Granada in Spain.

– The word “pomegranate” derives from Latin, meaning “fruit of many seeds.”

Granada is a shrub growing 2 to 3 meters high. Branchlets are slender and 4-angled. Leaves are oblong-lanceolate to oblong-elliptic; 4 to 6 centimeters long, short-stalked, and pointed at both ends. Flowers are red and showy, usually with six segments in the calyx which are 2.5 to 3 centimeters long. Petals are obovate, about 2 centimeters long. Stamens are numerous. Fruit is rounded, reddish-yellow or purplish, 7 to 10 centimeters in diameter. Rind is thin, tough, and brittle. Fruit contains numerous seeds, each seed surrounded by a watery, translucent, flavorful pinkish-red pulp.

Distribution

– Garden plant in the many places.

– Nowhere spontaneous.

– Native of southwestern Asia.

– Has been introduced in all tropical countries.

Constituents

– Fruit is rich in vitamin C; a good source of iron.

– Study yielded ellagic acid ellagitannins (including punicalagins), punicic acid, flavonoids, anthocyanidins, anthocyanins, estrogenic flavonols and flavones.

– Pomegranate juice yields anthocyanins, glucose, ascorbic acid, ellagic acid, gallic acid, caffeic acid, catechin, quercetin, rutin, minerals, and amino acids.

– Seed oil yields 95% punicic acid, pluellagic acid, fatty acids and sterols.

– Pericarp yields phenolic punicalagins, gallic acid, other fatty acids, catechin, EGCG, quercetin, rutin, other flavanoids, flavones, flavonones, anthocyanins.

– Flowers yield gallic acid, ursolic acid, triterpenoids, including maslinic and asiatic acid.

– Leaves yield tannins (punicalin and punicafolin) and flavone glycosides, including luteolin and apigenin.

– Bark yields four alkaloids: pelletierine, isopelletierine, methyl-pelletierine, and pseudo-pelletierine; roots and bark yield ellagitannins (punicalin and punicalagin) and piperidine alkaloids.

– Phytochemical evaluation of various flower extracts yielded steroids, saponins, glycosides, flavonoids, phenolic compounds, tannins and proteins. (21)

– Elemental analysis yielded (conc.) sodium/Na 1.279 mg/L, potassium/K 55.19 mg/L, calcium/Ca 1.650 mg/L, magnesium/Mg 3.721 mg/L, copper/Cu 0.231 mg/L, zinc/Zn 0.430 mg/L, iron/Fe 0.466 mg/L, cobalt/Co 0.031 mg/L, manganese/Mn 0.033 mg/L, and lead/Pb 1.119 mg/L. (45)
Properties

– In Indian traditional medicine, considered astringent, anthelmintic, aphrodisiac, laxative, diuretic, stomachic, cardiotonic and refrigerant.

– In Iran, flowers used as astringent, hemostatic, antibacterial, antifungal, antiviral.

– Pelletierine is considered anti-taeniacidal; isopelletierine, antihelmintic.

– Rind of the fruit is astringent.

– Seeds are stomachic; pulp is cardiacal and stomachic.

– Leaves, seeds, bark and roots considered hypotensive, antispasmodic and anthelmintic.

– Bark is considered antibacterial, antiviral and astringent.

– Seeds are demulcent and stomachic.

– Considered antiparasitic, blood tonic, antiulcer, antidiarrheal.

– Studies have shown antibacterial, antifungal, antioxidant, analgesic, antigenotoxicity, antidiarrheal, anticancer, anti-inflammatory, immunomodulatory, wound healing, antidiabetic, radioprotective properties.

Parts used

Roots, flowers, seeds and fruit rinds.

Uses
Edibility / Nutritional

Fruit contains vitamin C, citric and malic acids. Eaten green as boiled vegetable; ripe, iced and sugared.

Folkloric traditional medicine benefits and uses of pomegranate 

– Decoction of root bark used for tapeworm.

– Decoction of tender leaves used as gargle for buccal afflictions.

– Decoction of roots used for tuberculosis, chronic debility, chronic feverishness.

– Decoction of leaves used as eyewash.

– Powdered flower buds used for bronchitis.

– Decoction of juice of the flower with equal parts of Cynodon dactylon used to stop epistaxis and as gargle.

Infusion of flowers used as vermifuge.

– The bark (alkaloids) used for tapeworms.

– Rind of the fruit and flowers, combined with aromatics such as cloves, cinnamon, coriander or pepper, are used as astringent in bowel affections not associated with tenesmus.

– Decoction of the dried rind of the fruit used for stomach pains and dysentery; infusion used for colitis.

– Juice believed to be beneficial for leprosy.

– Bark, leaves and immature fruit (tannins) used as astringents for diarrhea, dysentery and hemorrhages.

– Dried pulverized flower buds used for bronchitis.

– In India, rind of fruit used for diarrhea.

– In Cuban traditional medicine, used for treatment of respiratory diseases.

– In traditional Thai medicine, used for diarrhea.

– Juice of fresh fruit used for dyspepsia and as a cooling and thirst-quenching drink for fevers.

– The Chinese and Annamites use the rind of the fruit and root bark as vermifuge.

– In Mexico, decoction of flowers used a gargle for throat inflammation.

– In Indian traditional medicine, use for diarrhea.

– In Myanmar, decoction of dried bark of stem and root used as taeniafuge.

– In Iran, flowers used as remedy for cut wounds, bronchitis, diarrhea, digestive problems, male sex power reconstitution. In Unani medicine, used for diabetes.
– In China, flowers used for premature graying of hair in young men.

Other uses

Ink prepared from fruit rind.

Scientific studies on health benefits and uses of pomegranate for health

Therapeutic Potentials:

Numerous in vitro, animal, and clinical trials have shown pomegranate to be a potent antioxidant, superior to red wine and equal to or better than green tea. It has also shown anticarcinogenic, anti-inflammatory, antimicrobial properties, with beneficial effects in various disease processes such as Alzheimer’s, osteoarthritis, neonatal brain injury, male infertility. (1)

Antibacterial Activity:

Extracts exhibited antimicrobial activity against all organisms except P aeruginosa. Study suggests the potential of bioactive compounds to be developed from P. granatum pericarp for use in treatment of GIT bacterial infection. (4)

Antifungal / Stomatitis:

Use of Punica granatum as an antifungal agent against candidosis associated with denture stomatitis: Study concludes that the extract of P. granatum may be useful as a topical antifungal for the treatment of candidiasis associated with denture stomatitis. (5) Study evaluated the efficacy of Punica granatum extract on the clinical management of recurrent aphthous stomatitis.

Inhibitory Effects on Verocytotoxin Production by E. coli:

Phytochemical screening yielded sterols, flavonoids, triterpenes, phenols and tannins. The study showed high activity against all strains of E. coli. A bioactive agent may be developed from Punica granatum pericarp as an alternative treatment for E. coli O157:H7 infection. (6)

Antidiarrheal / Seed:

Methanol extract of P granatum seed extract showed significant inhibitory activity against castor-oil induced diarrhea and PGE2 induced enteropooling in rats. Results establish the efficacy of PG seed extract as an antidiarrheal agent. (7)

Antiviral:

Study of aqueous extracts of the whole fruits have shown activity against the influenza virus.

Analgesic Activity:

Flower extracts of P. granatum showed significant analgesic activity.

Antibacterial Activity:

In a study of 21 plants extracts from five Thai medicinal plants, tested against Staph aureus and E col;i, the ethanolic extract of P granatum possessed the most outstanding in vitro antibacterial activity.

Genotoxicity:

Study evaluated the genotoxicity of a hydroalcoholic whole fruit extract of Punica granatum. Results of in vivo and in vitro assays detected DNA damage at different expression levels. (8)

Antibacterial / Multi-Drug Resistant Salmonella typhi:

In a study of 54 plant methanol and aqueous extracts on activity against multi-drug resistant Salmonella typhi, P granatum methanol extract was one of those that strong antibacterial activity.

Antioxidant:

In vitro assay showed the pomegranate juice and seed extract to have 2-3 times the antioxidant capacity of either red wine or green tea. Extracts have been shown to scavenge free radicals and decrease macrophage oxidative stress and lipid peroxidation in animals.

Hepatoprotective:

Study evaluated the hepatoprotective effect of pomegranate peel extract against the toxic effects of CCl4. Histopath studies supported the protective effects of the methanolic extract of pomegranate peel by restoring the normal hepatic architecture.

Anticarcinogenic:

In vitro assay using three prostate cancer cell lines demonstrated the extracts of juice, seed oil and peel to significantly inhibit prostate cancer cell invasiveness and proliferation, cause cell cycle disruption, induce apoptosis and inhibit tumor growth.

Anti-Prostate Cancer / Fruit:

Fruit extract has shown inhibition of prostate cancer cell growth, inducing apoptosis of several prostate cancer cell lines, suppress invasive potential and decrease proliferation of prostate cancer cells.

Anti-Inflammatory / COX-Inhibition:

Cold pressed pomegranate seed oil have been shown to inhibit both COX and lipooxygenase enzymes in vitro. (12)

Anti-Inflammatory:

Study showed evidence of the bioavailability and bioactivity of compounds in pomegranate fruit after oral ingestion. Results suggest that PFE-derived bioavailable compounds may exert anti-inflammatory effect by inhibiting inflammatory cytokine-induced production of PGE-2 and NO in vivo.

Toxicity / Safety Studies:

Study focused on the toxicity evaluation of whole fruit hydroalcoholic extract of Punica granatum. Toxic effects of P granatum fruit extract only occurred at higher doses than those effective in models where the anti-viral activity has been studied in Cuban folk medicine. The LD50 of the extract in OF-1 mice of both sexes after intraperitoneal administration was 731 mg/kg. (3)

Wound Healing / Flowers:

Ethanolic extract of Punica granatum flowers showed significant wound healing activity when topically administered in rats. Best results of histopathological evaluation were also obtained with P granatum. (13)

Wound Healing / Peel:

Study of methanolic extracts of dried pomegranate peels showed high content of phenolic compounds (44%) along with other constituents. Analysis also showed the presence of gallic acid and catechin as major components. Animals treated showed moderate to good healing depending on the concentration of the gel formulation. (16)

Stress Reducing:

Study showed pomegranate juice to have benefits in reducing chronic stress. The study was funded by a pomegranate juice company.

Immunomodulatory:

An aqueous suspension of the fruit rind powder of Punica granatum was found to stimulate the cell-mediated and humoral components of the immune system in rabbits. (15)

Antioxidant / Fruit Rind Extract:

Study of aqueous and alcoholic fruit rind extracts showed good antioxidant effect. Phenolic compounds, tannins, and flavonoids were the major phytochemicals in both extracts. (17)

Antitumor / Prostate Cell Line by Apoptosis Induction:

A study evaluated ethanol extracts of Punica granatum L. var. spinosa for possible cytotoxic activity on human prostate cell lines. Results showed dose-depended suppression of proliferation of PC3 cells with in vitro attenuation of human prostate cell proliferation by inducing apoptosis. (20)

Dental Plaque Effects / Fruit:

Study evaluated a hydroalcoholic extract of P. granatum fruit for antibacterial effect on dental plaque microorganisms. Results showed both HAEP and chlorhexedine were effective against Staphylococcus, Streptococcus, Klebsiella, and Proteus species, as well as E. coli. Antibacterial activity was attributed to the ellagitannin, punicalagin. (22)

Antidiabetic and Lipid Effects / Crude Husk Powder:

Study showed a decreased in glucose, triglycerides, cholesterol, LDL, VLDL, and increase in HDL in normal and alloxan induced diabetic rats treated with crude powder of husk. (23)

Antidiarrheal / Peels:

Study on an aqueous extract of Punica granatum peels showed antidiarrheal activity with concentration dependent inhibition of spontaneous movement of isolated rat ileum and attenuation of acetylcholine-induced contractions and dose-dependent decrease of gastrointestinal transits against castor oil-induced diarrhea enteropooling. (24)

Anti-Inflammatory / Membrane Stabilizing / Fruit Peel:

Study of various extracts of fruit peel showed anti-inflammatory and membrane stabilizing properties. Methanol and ethyl acetate extracts showed better activity attributed to their higher phenolic contents. (25)

Antifungal / Malassezia / Leaves:

Study evaluated the antifungal activity of various extracts of P. granatum leaves against Malassezia species which commonly cause superficial skin infections in humans. Results showed methanol crude extract and ethyl acetate fraction exhibited the highest antifungal activity.
(26)

Anti-Ulcerogenic / Peel:

Study evaluated the anti-ulcerogenic effects of pomegranate peel methanol extract on male Wistar albino rats on indomethacin induced gastric mucosal damage. Results showed curative potential attributed to its high antioxidant activity. (27)

Recurrent Aphthous Stomatitis:

A randomized, double-blind, placebo-controlled study on 40 patients evaluated the efficacy of Punica granatum gel vs placebo gel on the clinical management of recurrent aphthous stomatitis. Findings reveal the PG extract in form of a 10% oral gel may be beneficial in reducing RAS pain and reducing overall period of complete healing. (28)

Radioprotective / Fruit Rind Aphthous Stomatitis:

Study evaluated the radioprotective potential of Punica granatum fruit rind extract. Results showed protection of mouse testes against radiation induced damage, possibly through scavenging of free radicals and increasing antioxidant status. Results also suggest potential for restoring fertility in irradiated patients. (29)

Anti-Proliferative / Pro-Apoptotic / Human Myeloid Leukemia Cell Lines:

Study of aqueous extract from P. sacharosa, E. elatior, and P. granatum showed dose dependent inhibition of cell proliferation in MV4-11 and K562 leukemic cells mainly via apoptosis mechanism. (30)

Anthelmintic / Fruit Peel:

Study of methanolic extract of fruit peel of P. granatum showed dose dependent anthelmintic activity against earthworm Pheretima posthuma. (31)

Anticonvulsant / Seed:

Study evaluated the anticonvulsant effect of an ethanolic extract of P. granatum in strychnine (STR)-induced and pentylenetetrazole (PTZ)-induced seizure models in rats. An ethanol extract showed dose-dependent anticonvulsant activity against STR- and PTZ-induced seizure models, attributed to its saponin, flavonoids, triterpenes and alkaloid ingredients. (32)

Gold Nanoparticles Synthesis / Juice / Catalytic Activity:

Study reports the synthesis of AuNPs using the juice of Punica granatum. The synthesized colloidal AuNPs have been utilized as catalyst for the borohydride reduction of 4-nitrophenol. Results suggest a potential for biomedical applications as well as nanoscience and nanotechnology. (33)

Therapeutic Potential for Neurodegenerative Disorders:

Study investigated the possible protective effects of different extracts of promegranate against SGD-induced PC12 cells injury. Results showed concentration dependent suppression of DNA damage by various extracts of pulp and juice, indicating a cytoprotective property under SGD conditions in PC12 cells, suggesting a therapeutic potential for neurodegenerative disorders. (34)

Potential Biogas Fermentation with P. granatum Peel:

Study of biogas fermentation with P. granatum peel at total fermentation time of 35d was 1900mL. The biogas yield of P. granatum peel was calculated at 264 mL/g TS or 271 mL/g VS. (35)

Pleiotropic Cardiac Effects in Induced Cardiac Hypertrophy:

P. granatum exhibits pleiotropic cardiac effects in PAAC-induced cardiac hypertrophy in a dose dependent manner possibly through its PPAE (peroxisome proliferator activated receptor) dual agonist action. (36)

Anthocyanins / No Renal Protection Despite Antioxidant Activity:

Study in 30 male rabbits showed the consumption of promegranate peel extract containing anthocyanins (polyphenol content 1g/kg diet) despite a significant increase in serum antioxidant capacity did not protect the kidneys from hypercholesterolemia-induced damages. (37)

Anti-Colon Cancer:

Pomegranate juice yields elagitannins and their intestinal bacterial metabolites, urolithins (urolithin A and C), has been shown to inhibit CYP1-mediated EROD activity in vitro. Study suggests the ellagitannins and urolithins liberated in the colon from administration of pomegranate juice, in considerable amounts, could potentially reduce the risk of colon cancer progress through inhibition of cell proliferation and induction of apoptosis. (40) (41)

Estrogenic / Peel:

Study evaluated the estrogenic effect of alcoholic extract of P. granatum peel in ovariectomized rats. The extract showed dose dependent activity, with significant increase in uterine weight, femur BMD, and femur hardness, together with increased of serum calcium and phosphorus in the serum and significant decrease in the urine. Results suggest potent estrogenic activity in ovariectomized rats and supports its folkloric use in the treatment of postmenopausal osteoporosis. (43)

Wound Healing / Rind:

Study evaluated an ethanolic extract of rinds of P granatum as antimicrobial on 6 types of bacteria viz. P. aeruginosa, S. typhi, S. aureus, E. coli, Stretococcus spp., and K. pneumonia and a 4 types of fungi viz. C. albicans, A. niger, A. fumigatus, and A. valvas. Results showed antibacterial and antifungal activity on all tested bacteria and fungi, with improvement of wound contraction and healing. Both ointment and lotion formulation of the rind showed wound healing properties. (44)

Herb-Drug Interactions

ACE Inhibitor:

May increase the effect of antihypertensive ACE inhibitor and cause low blood pressure • Statins: One case report of rhabdomyolysis after taking rosuvastatin and pomegranate juice. Drinking pomegranate juice might decrease the liver breakdown of rosuvastatin (Crestor) and increase the effects and side effects of rosuvastatin. (42)

Warfarin:

Pomegranate may interact with coumadin and increase risk of bleeding. (38)

Medications Affected by Liver Cytochrome P450:

Some medications are changed and broken down in the liver through cytochrome P450 2D6 (CYP2D6) substrates. Pomegranate, by decreasing the breakdown of drugs, might increase the effects and side effects of some medications: amitriptyline (Elavil), codeine, desipramine (Norpramine) flecainide (Tambocor), fluoxetine (Prozac), ondansetron (Zofran), tramadol (Ultram), among others. (42)

Availability

– Wild-crafted.

– Seeds, supplements in the cybermarket.

Link to the article source

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