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Olea europaea

Olives have origin from the Mediterranean region, slow growing evergreen trees comprises of small silver-grey leaves and small creamy white flowers which later bears round green fruits that ripen to purple-black colour and has seeds in the centre of the fruit. It belongs to the Oleaceae family. It is a widely popular fruit since olive oil is generated from the seed of this fruit and is consumed throughout the globe. It is a very nutritious fruit comprising of various bioactive compounds such as Fatty acids (Myristic acid), Flavonoids (Luteolin, Quercetin, Chrysoeriol), Phenolic derivatives, Terpenes and so on. Oleuropein is a compound extracted from the fruit has been reported to exhibit antioxidant potential as it helps to inhibits the formation of intracellular ROS, and helps to elevate the expression of heme oxygenase-1 (HO-1) with activating the NF-E2 related factor 2. Again, Maslinic acid is another compound extracted has proven to exhibit inhibition of proliferation of against HT29 colon-cancer cells. Besides this, Ursolic acids, methyl Maslinate and Uvaol are other compounds found in the fruit which helps to boost the immune system.

Mode of Consumption: Mostly consumed Raw, Used to prepare Juice, Jam, Pickles Dried fruits etc

Plant Details Agro-climatic Zone Vernacular Names Pictures
Scientific Name: Olea europaea L.
Family: Oleaceae Hoffmanns. & Link
Class: Magnoliopsida 
Order: Lamiales 
Genus: Olea L.
Fruiting Season: August-November
Fruting Condition: Ripe
  • North-Western Mountain Region


Matured fruit and plant.


Plant bearing fruits.


Whole plant.

Compound/Chemical Immunomodulatory Activity Pathway Immunomodulatory Marker
OleuropeinAnti-oxidant activityThe isolated compound oleuropein inhibits the formation of intracellular ROS, and increased the expression of heme oxygenase-1 (HO-1) via the activation of NF-E2-related factor 2 (Nrf2) transcription.HO-1, NF-E2, Nrf2[7][8][10]
OleuropeinAnti-oxidant activityIn vivo, oleuropein was shown to increase the level and activities of enzymatic antioxidants such as superoxide dismutase (SOD), glutathione peroxidase (GPx), glutathione reductase (GRx), catalase (CAT) and enhance the level of non enzymatic antioxidants such as glutathione (GHS), α-tocopherol, β-carotene and ascorbic acid in alloxan-diabetic rabbits, rats fed a cholesterolrich diet and in acute arsenic exposed rats.SOD, GPx, GRx, CAT, GHS[7][8][10]
Maslinic acidAnti-cancer activityMaslinic acid, a triterpenoid reported from olive fruit, is an anti-tumor agent which showed potent anti-proliferative properties against the HT29 colon-cancer cells. Inhibition of proliferation [1][12]
Fruit extractsAnti-inflamatory activityHexane extracts of O. europaea fruits showed the significant anti-inflamatory activity in swiss albino mice. It also exhibited antinociceptive activity against writhing-induced pain by acetic acid. In the xylene ear edema test, olive also showed significant anti-inflammatory activity in the mice.[3]
Major Class Metabolites
Fatty Acids derivativesMyristic acid(Flesh)
Flavone derivativesApigenin(Flesh)
FlavonoidLuteolin(Flesh), Quercetin-7-O-glucoside(Flesh), Quercetin(Flesh), Luteolin-7-O-rutinoside(Flesh), Apigenin-7-O-rutinoside(Flesh), Rutin(Flesh), Vicenin-2(Flesh), Chrysoeriol(Flesh), Chrysoeriol-7-Oglucoside(Flesh), Luteolin-7-O-glucoside(Flesh), Quercetin-3-rhamnoside(Flesh), Quercetin(Flesh)
Glycosyl derivatives6-beta-glucopyranosyl oleoside(Flesh), 6-rhamnopyranosyl oleoside(Flesh)
HydroxytyrosolTyrosol(Flesh), Hydroxytyrosol(Flesh), Hydroxytyrosol rhamnoside(Flesh), Hydroxytyrosol glucoside(Flesh), Elenolic acid glucoside(Flesh)
IridoidsLigstroside aglycone methyl acetal(Flesh)
Pentacyclic triterpenoidsErythrodiol(Flesh), Uvaol(Flesh), Ursolic acid(Flesh), Maslinic acid(Flesh)
Phenolic derivatives3,4-dihydroxyphenylglycol(Flesh)
PhenylpropanoidsVerbascoside(Flesh)
SaccharolipidsNuzhenide(Flesh), Nuzhenideoleoside(Flesh)
Secoiridoids glycosidesOleuropein(Flesh), Demethyloleuropein(Flesh)
Sesquiterpenoids Oleuroside(Flesh)
Terpene alcoholDelta-amyrin(Flesh), Taraxerol(Flesh), Cycloartenol(Flesh), 24-methylene cycloartenol(Flesh), 4-monomethylsterols,(Flesh), Obtusifoliol(Flesh), Cycloeucalenol(Flesh), Citrostadienol(Flesh)
Terpene glycosidesOleuropein(Flesh), Ligstroside(Flesh)
Triacylglycerols,Diacylglycerol(Flesh)
TriterpenoidsOleanolic acid(Flesh)
Tyrosol derivativesTyrosol glucoside salidroside(Flesh), Methyl malate-𝛽-hydroxytyrosol ester(Flesh), 1-oleyltyrosol(Flesh), Cornoside(Flesh), 2(3,4-dihydroxyphenyl) ethanol(Flesh), Halleridone(Flesh), Hydroxytyrosol-elenolate(Flesh)
Traditional Practice Diseases Plant Part Additional Knowledge
UnaniAnti-inflammatoryPlant isolate (oil)olive oil polyphenols on antibodies against oxidized LDL.[15]
UnaniAnti-inflammatoryPlant isolate (oil)Antioxidant effect of virgin olive oil in patients with stable coronary heart disease[16]
UnaniAnti-inflammatoryPlant isolate (oil)Olive oils high in phenolic compounds modulate oxidative/antioxidative status[17]
4.1, 04.1.1, 04.1.2.3, 04.1.2.10, 04.1.2.6, 04.1.1
Incompatible with dairy products and other acidic fruits such as Grapes, Amla and Papaya etc.

CSIR-North East Institute of Science and Technology, Jorhat-6, Assam, India
CSIR-Institute of Himalayan Bioresource Technology, Palampur-61,Himachal Pradesh, India