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Sci. Pharm., Volume 87, Issue 1 (March 2019)

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Open AccessEditorial Acknowledgement to Reviewers of Scientia Pharmaceutica in 2018
Sci. Pharm. 2019, 87(1), 4; https://doi.org/10.3390/scipharm87010004
Published: 26 January 2019
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Abstract
Rigorous peer-review is the corner-stone of high-quality academic publishing [...] Full article
Open AccessArticle The Anti-Inflammatory Activity of Nigella sativa Balm Sticks
Sci. Pharm. 2019, 87(1), 3; https://doi.org/10.3390/scipharm87010003
Received: 28 December 2018 / Revised: 9 January 2019 / Accepted: 9 January 2019 / Published: 14 January 2019
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Abstract
Nigella sativa oil has been known to have potent anti-inflammatory activity. This research aimed to determine the anti-inflammation activity of Nigella sativa oil in a simple balm stick by topical application. The activity was checked using two methods: carrageenan-induced paw oedema and granuloma [...] Read more.
Nigella sativa oil has been known to have potent anti-inflammatory activity. This research aimed to determine the anti-inflammation activity of Nigella sativa oil in a simple balm stick by topical application. The activity was checked using two methods: carrageenan-induced paw oedema and granuloma pouch on rats. The results showed that balm sticks which contained 10% Nigella sativa could overcome both acute and sub-acute inflammation showing by high oedema inhibition (60.64%), low leucocytes count (43.55% lower than control) as well as a notable TNF-α concentration (50% lower than control) on the inflamed area. In conclusion, topical application of a Nigella sativa balm stick was effective for both acute and sub-acute forms of inflammation. Full article
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Open AccessArticle Preliminary Phytochemical Analysis of Berberis goudotii Triana & Planch. ex Wedd. (Berberidaceae) with Anticariogenic and Antiperiodontal Activities
Sci. Pharm. 2019, 87(1), 2; https://doi.org/10.3390/scipharm87010002
Received: 17 November 2018 / Revised: 22 December 2018 / Accepted: 28 December 2018 / Published: 12 January 2019
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Abstract
Berberis goudotii is an endemic Colombian plant found in the paramo ecosystem. It has been used in food preparation and as a medicinal plant for diverse treatments. Additionally, it is used as a mouthwash to strengthen the gums and combat throat irritations and [...] Read more.
Berberis goudotii is an endemic Colombian plant found in the paramo ecosystem. It has been used in food preparation and as a medicinal plant for diverse treatments. Additionally, it is used as a mouthwash to strengthen the gums and combat throat irritations and periodontitis. The present research evaluated Berberis goudotii aerial parts extract and fractions antimicrobial activities. Ultrasonic-assisted extraction was used to attain total ethanol-water extract. Solid-liquid fractionation was used to obtain hexane fraction. The residue was dispersed in water and liquid-liquid fractionation was carried-out to acquire dichloromethane, butanol and water fractions. Preliminary phytochemical analysis was performed on total extract and phenol, polyphenol, flavonoid, and proanthocyanidin, while tannin content was quantified. Antimicrobial activity assessment was performed by agar diffusion method using disks and wells employing Ceftazidime as a positive control against Streptococcus mutans, Streptococcus sobrinus, Lactobacillus acidophilus, Lactobacillus casei, Porphyromonas gingivalis, Prevotella intermedia and Fusobacterium nucleatum. Antimicrobial activity was determined as relative percentage inhibition (RPI), minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). Phenols (92.5 ± 7.7 mg GA/10 g), polyphenols (87.7 ± 8.1 mg PG/10 g) and tannins (44.1 ± 4.3 mg PG/10 g) were among the highest secondary metabolites observed. Total extract presented an MBC of 1.0 µg/µL against cariogenic bacteria (Streptococcus mutans and Streptococcus sobrinus) and 0.12 µg/µL against bacteria associated with periodontal disease (Porphyromonas gingivalis, Prevotella intermedia and Fusobacterium nucleatum). Butanol and hexane fractions showed antiperiodontal activity with MBC of 0.12 and 1.0 µg/µL, respectively. In conclusion, Berberis goudotii total extract demonstrated antimicrobial activity against cariogenic and periodontal microorganisms, on the other hand, hexane and butanol fractions displayed antiperiodontal activity. Full article
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Open AccessArticle Hydrogel Formulation of Usnic Acid and Antibacterial Activity Test Against Propionibacterium acne
Sci. Pharm. 2019, 87(1), 1; https://doi.org/10.3390/scipharm87010001
Received: 8 November 2018 / Revised: 13 December 2018 / Accepted: 17 December 2018 / Published: 20 December 2018
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Abstract
Usnic acid is known for its remarkable antimicrobial activity. The aim of this research was to formulate hydrogel of usnic acid and evaluate the antibacterial activity against Propionibacterium acne. Due to low solubility of usnic acid, solid dispersion was prepared using PVP [...] Read more.
Usnic acid is known for its remarkable antimicrobial activity. The aim of this research was to formulate hydrogel of usnic acid and evaluate the antibacterial activity against Propionibacterium acne. Due to low solubility of usnic acid, solid dispersion was prepared using PVP K-30. In this study, intact usnic acid (UA) and usnic acid-solid dispersion (UA-SD) was formulated in hydrogel using several gelling agents: Aqupec HV-505, sodium alginate and HPMC K 100M. Concentration of each gelling agent was optimized for hydrogel base. All of hydrogel base showed homogenous gel, pH at range 5.37–6.33 and viscosity in range 259.07–10,759.00 cps. Hydrogel was prepared by dispersing 1% intact UA and 3% UA-SD in three different gelling agents. The hydrogel was evaluated for pH, viscosity, stability test for two months and microbiology test. The amount of usnic acid in hydrogel was determined by spectrophotometry UV-Vis. Hydrogel UA showed non-homogenous gel, while hydrogel usnic UA-SD was homogenous. The pH of all hydrogel was in range 5.5–6.4 and viscosity was 2,017.03–3,866.52 cps. All the hydrogel was stable and diameter inhibition of hydrogel was in a range 20–32 mm. The amount of usnic acid in hydrogel was in range 96.9–99.23%. In conclusion, hydrogel UA-SD is promising preparation in handling acne. Full article
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Sci. Pharm. EISSN 2218-0532 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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