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      Inhibition of DNA virus: Herpes-1 (HSV-1) in cellular culture replication, through an antioxidant treatment extracted from rosemary spice

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          Abstract

          This work aimed to evaluate antiviral properties in antioxidants from spices. Phenolic compounds extracted from rosemary (Rosmarinus officinallis, L) by hot water, had their antioxidant activity determined by spectrophotometry using β carotene/linoleic acid system. The rosemary extract was evaluated by antiviral assay of Herpes Virus type-1 (HSV-1) replication in VERO cells, in the presence or absence of the spice. 10,000 TCID50/mL of the HSV-1 was kept for 3 h at 4º C, with 300 ppm of rosemary extract, and 100 ppm of butyl hydroxyl toluene (BHT). Then, these viruses were inoculated in VERO cells incubated at 37º C in CO2-5 %, for seven days. Daily, they were examined and the end point was based on 100% of CPE in virus control (without antioxidants). The HSV-1 replication inhibition percentage (IP) measured the antiviral action from antioxidants, showing viral reductions of the 82.0, 82.5%, in the presence of rosemary and rosemary + BHT, respectively. As an extension, cell test corresponded to the similar viral decrease (IP = 85.0 and 86.3%) in both aforementioned situations. Results lead to conclude that phenolic compounds from rosemary revealed an antiviral action on herpesvirus-1.

          Translated abstract

          Neste estudo foi avaliada a ação antiviral de antioxidantes de especiaria. Extrato aquoso de alecrim (Rosmarinus officinalis, L), que apresentou atividade antioxidante através de espectrofotometria usando o sistema β caroteno/ácido linoléico, foi avaliado em ensaios com vírus herpes-1 na replicação em células VERO. Nestes ensaios foram utilizados 10.000 TCID50%/mL do vírus HSV-1, mantidos em contato com 300 ppm do extrato de alecrim e com 100 ppm de butil hidroxi tolueno (BHT), durante 3h a 4°C. Esses vírus, em seguida, foram inoculados em células VERO incubadas a 37 °C/5% de CO2 por sete dias. Pelo efeito citopático (ECP) e o "end point" de ECP do controle de vírus (sem antioxidante), foi possível observar que houve reduções na replicação viral de 82 e 82,5% na presença do alecrim e do alecrim + BHT, respectivamente. Nessa situação,avaliou-se ainda a redução da adsorção viral às células, que apresentou índices similares de 85,0 e 86,3% de redução na capacidade da adsorção. Estas reduções no desempenho do HSV foram medidas pela fórmula de porcentagem de inibição da replicação viral (PI). Os resultados levam a concluir que os compostos fenólicos do alecrim apresentam ação antiviral sobre o HSV-1.

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          Most cited references22

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          In vitro antiviral activity of a saponin from Anagallis arvensis, Primulaceae, against herpes simplex virus and poliovirus.

          The antiviral activity of a triterpene saponin isolated from Anagallis arvensis, Primulaceae, was studied in vitro against several viruses including herpes simplex type 1, adenovirus type 6, vaccinia, vesicular stomatitis and poliovirus. The drug was found to inhibit the replication of herpes simplex virus type 1 and poliovirus type 2 as shown by inhibition of cytopathic effect and reduction of virus production. The action was not due to a virucidal effect but might involve inhibition of virus-host cell attachment. Single cycle experiments indicated that saponin interfered with both early and late events of herpes virus replication.
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            N-Monocarbamoyl Derivatives of Symmetrical Diamines with Antiviral Activity

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              • Article: not found

              Synergistic effects of synthetic and natural spice antioxidants on antiviral action against Parainfluenza virus

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                bjps
                Brazilian Journal of Pharmaceutical Sciences
                Braz. J. Pharm. Sci.
                Universidade de São Paulo, Faculdade de Ciências Farmacêuticas (São Paulo )
                2175-9790
                March 2009
                : 45
                : 1
                : 127-133
                Affiliations
                [1 ] Butantan Institute
                [2 ] Universidade de São Paulo Brazil
                Article
                S1984-82502009000100016
                10.1590/S1984-82502009000100016
                34ae8a0a-f0cd-4074-a0e8-a87acbcfbd47

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1984-8250&lng=en
                Categories
                PHARMACOLOGY & PHARMACY

                Pharmacology & Pharmaceutical medicine
                Natural antioxidants,Virus replication,Phenolic compounds,Herpesvirus,Rosemary,Antioxidantes naturais,Replicação viral,Compostos fenólicos,Vírus herpes,Alecrim

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