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1.  Irritantcy Potential and Sub Acute Dermal Toxicity Study of Pistacia Lentiscus Fatty Oil as a Topical Traditional Remedy 
The current study was undertaken to assess safety of Pistacia lentiscus fruits fatty oil (PLFO) as a topical traditional remedy. A primary skin and eye irritation tests were conducted with New Zealand white rabbits to determine the potential for PLFO to produce irritation from a single application. In addition, a sub acute dermal toxicity study was performed on 18 NZW rabbits to evaluate possible adverse effect following application of PLFO for 28 days. Based on the results of the current study, PLFO is classified as slightly irritating to the skin and the eye of rabbits (Primary Irritation Index (P.I.I.) = 1.037; Ocular Irritation Index (O.I.I.) = 5.33 at 1 h). In the sub-acute toxicity test, PLFO produced neither mortality nor significant differences in the body and organ weights between control group and treated rabbits. However, a reversible irritant contact dermatitis was observed in the treated areas from the end of the second week of application until the end of experiment. This local phenomenon was accompanied by a significant skin thickening (P≤0.01) since the 12th day (ANOVA, F = 11, 07143, P = 0, 00765) which is confirmed with an inflammatory granuloma in histological study. Haematological analysis and blood chemistry values of the 2 groups showed no significant differences in any of the parameters examined. In summary, PLFO is minimally irritating to the eye and skin after a single exposure, but it may cause irritant contact dermatitis and a reversible thickening of skin after prolonged use.
PMCID: PMC3777590  PMID: 24146478
Pistacia lentiscus; fatty oil; skin; eye; dermatitis; irritation; toxicity
2.  Effect of Virgin Fatty Oil of Pistacia Lentiscus on Experimental Burn Wound's Healing in Rabbits 
This study aimed to assess the efficiency of the virgin fatty oil of Pistacia lentiscus (PLVFO) for burn wounds healing. It was carried out on 6 adult male New Zealand rabbits. Four burn wounds of deep third degree were made on the back of each animal. The first was not treated and served as control (CRL group); the others were covered immediately after burning procedure by 0.5g of one of the following products: Vaseline gel (VAS group), Madecassol® cream 1% (MAD group) or 1ml of PLVFO (PLVFO group). The treatments were repeated once daily until complete healing. For four days post burns, the percentage of wound contraction was assessed. Also, the different healing times were noted. The results showed that both PLVFO and Madecassol® significantly accelerated wound healing activity compared to wounds dressed with Vaseline and the untreated wounds. However, the level of wound contraction was significantly higher and the healing time was faster in PLVFO group than those of the MAD group, VAS group and CRL group. The different epithelization periods obtained in days were respectively: 30±3.94 (PLVFO group), 33.5±3.78 (MAD group), 34.66±3.88 (VAS group) and 37.16±3.54 (CRL group). We conclude that Pistacia lentiscus virgin fatty oil promotes significantly (p< 0.05) wound contraction and reduces epithelization period in rabbit model.
PMCID: PMC3025617  PMID: 21461154
Virgin fatty oil; Pistacia lentiscus; burn; wound healing; rabbits

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