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A resinous substance collected from the buds of certain trees by bees and used as a cement or sealant in the construction of their hives.

[Latin, from Greek, suburb, bee glue (from the fact that it was originally the name of a structure around the opening into the hive) : pro-, before; see pro-2 + polis, city; see pelə- in Indo-European roots.]


(Zoology) a greenish-brown resinous aromatic substance collected by bees from the buds of trees for use in the construction of hives. Also called: bee glue or hive dross
[C17: via Latin from Greek: suburb, bee glue, from pro- before + polis city]


(ˈprɒp ə lɪs)

a reddish resinous cement collected by bees from the buds of trees, used to stop up crevices in the hives, strengthen the cells, etc.
[1400–50; late Middle English propoleos < Medieval Latin, for Latin propolis < Greek própolis bee glue, literally, outskirts of a city (see pro-2, -polis), appar. orig. the name for a structure around the entrance to a hive, hence applied to the glue from which it was made]
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Was found that all propolis extracts showed inhibitory action against the Staphylococcus strains evaluated MIC90 = 60 - 30 mg/mL, and the average MICs (mg/mL) for each EEP were: EEP1 = 11.
A Brazilian green propolis alcoholic extract without wax (minimum of 11% propolis), previously characterized by our group [23], was purchased from Uniflora[R].
Therefore, the present study aims to find out histological changes induced by the treatment of one of the drugs used in cancer chemotherapy, Dacarbazine, on testicular tissue and the effectiveness of propolis in the reduction of these changes.
Propolis is a resinous substance produced by Africanized honeybees (Apis mellifera L.
It is precisely due to these properties of honey, as well as its by-products, such as beeswax, pollen, royal jelly, propolis, and even bees' venom, and the tendency of modern pharmacology and healthy eating to turn to natural solutions, apiculture is fast becoming of higher international, commercial, and economic value.
Background: Propolis is a bioactive natural product collected by honeybees (Apis mellifera) from plant sources.
Previous studies have shown that propolis may have numerous beneficial attributes, including antioxidant, antibacterial, antiviral, antifungal and anticancer properties (Farre et al.
Bacteriostatic and bactericidal activity of Europeans and Venezuelans ethanolic propolis extracts of on Escherichia coli and Staphylococcus aureus
Propolis is a bee resinous product elaborated from different parts of plants such as buds, bark, and tree exudates by bees.