bacteria in human have led the European Union and the United
States to pass legislation to ban the usage of antibiotics as
growth promoter. Consequently, the research now has been
focused on natural products such as plants or their extracts
as possible alternative to antibiotics [2]. Plants and their
extracts are known to possess many bioactive components
such as tannin, alkaloids, and essential oils which have both
antimicrobial and antioxidant activities [3–5]. These bioactive
components exert their beneficial effects by manipulating the
intestinal microflora and improving digestibility. Furthermore,
many studies have indicated that plants and their bioactive
components can decrease intestinal pH thus favoring the
growth of beneficial bacteria such as lactobacilli and bifidobacteria
and reducing the number of the coliforms and Clostridium
perfringens in the ileum and cecum [6,7]. This can
stabilize the gut microflora and provide a protection against
pathogenic bacteria [8–10].
The Arbutus pavarii is an endemic plant in eastern mountain
of Libya and it is being used as food, honey production
and treatment of some particularly kidney diseases. It is
known to contain important antioxidant components such as
flavonoids, tannins, glycosides, simple phenolics [11,12]. Salvia
officinalis is a plant endemic in Mediterranean countries with
great medical importance. It has strong antioxidant activity
due to the presence of rosmarinic an
bacteria in human have led the European Union and the UnitedStates to pass legislation to ban the usage of antibiotics asgrowth promoter. Consequently, the research now has beenfocused on natural products such as plants or their extractsas possible alternative to antibiotics [2]. Plants and theirextracts are known to possess many bioactive componentssuch as tannin, alkaloids, and essential oils which have bothantimicrobial and antioxidant activities [3–5]. These bioactivecomponents exert their beneficial effects by manipulating theintestinal microflora and improving digestibility. Furthermore,many studies have indicated that plants and their bioactivecomponents can decrease intestinal pH thus favoring thegrowth of beneficial bacteria such as lactobacilli and bifidobacteriaand reducing the number of the coliforms and Clostridiumperfringens in the ileum and cecum [6,7]. This canstabilize the gut microflora and provide a protection againstpathogenic bacteria [8–10].The Arbutus pavarii is an endemic plant in eastern mountainof Libya and it is being used as food, honey productionand treatment of some particularly kidney diseases. It isknown to contain important antioxidant components such asflavonoids, tannins, glycosides, simple phenolics [11,12]. Salviaofficinalis is a plant endemic in Mediterranean countries withgreat medical importance. It has strong antioxidant activitydue to the presence of rosmarinic an
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