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Berberis vulgaris Juice and Acne Vulgaris: A Placebo-Controlled Study



Mary Johnson and Naser Rafikhah
 
ABSTRACT

It has previously shown that aqueous extract of dried Berberis vulgaris fruit is useful against inflamed and total acne lesions. This study aimed to investigate the role of fresh Berberis vulgaris fruit juice in decreasing acne lesion counts in a group of patients with mild-to-moderate acne vulgaris. A total of 38 volunteers with mild-to moderate acne vulgaris were enrolled in this study; double-blind, placebo-controlled, randomized clinical trial. They received either 100 mL freshly prepared Berberis vulgaris fruit juice (n = 18, case group) or placebo (n = 20, control group) once daily for 30 consecutive days. Facial acne noninflamed, inflamed and total (noninflamed plus inflamed) lesions were counted at baseline, on week 2 and at endpoint (day 30) by an observer who was not aware of the grouping of patients. In the case group, there were 9 males (50%) and 9 females (50%) with a mean age of 16.1±3.9 years (Range: 12-25). In the control group, there were 9 males (45%) and 11 females (55%) with a mean age of 15.9±4.7 years (Range: 12-29). The two groups were matched for sex (p = 0.76) and age (p = 0.89). Changes in the mean count of noninflamed lesions were not different between the two groups (p = 0.33). In contrast, the mean number of inflamed and total acne lesions decreased significantly more pronounced in the case than in the control group (p = 0.01 and 0.02, respectively). In conclusion, this study showed that fresh Berberis vulgaris fruit juice is effective against acne lesions in patients with mild-to-moderate disease.

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  How to cite this article:

Mary Johnson and Naser Rafikhah, 2014. Berberis vulgaris Juice and Acne Vulgaris: A Placebo-Controlled Study. Asian Journal of Clinical Nutrition, 6: 47-52.

DOI: 10.3923/ajcn.2014.47.52

URL: https://scialert.net/abstract/?doi=ajcn.2014.47.52
 
Received: May 06, 2014; Accepted: August 23, 2014; Published: October 02, 2014

INTRODUCTION

Herbal remedies are getting more and more popularity in modern medicine (Azimi et al., 2012; Sinha et al., 2014).

Berberis vulgaris is one of those plants that are very popular in the field of herbal therapy because firstly, it is known almost all over the world and secondly many beneficial properties have been identified in extracts obtained from fruit, leaf, bark and root of this plant (Seki and Morohashi, 1993; Fouladi, 2012).

Acne vulgaris as one the most prevalent skin disease worldwide, is treated usually by using numerous synthetic medications available in the market (Babaeinejad et al., 2011; Fattahi et al., 2011; Fouladi, 2012, 2013; Khodaeiani et al., 2012; Babaeinejad and Fouladi, 2013; Khodaeiani et al., 2013). Although, many of these medications are effective, major complications are sometimes inevitable (Navali et al., 2011).

Anti-microbial, anti-inflammatory and anti-oxidant properties of Berberis vulgaris have nominated this plant as a good herbal medication against acne vulgaris (Local Food-Nutraceuticals Consortium, 2005; Imanshahidi and Hosseinzadeh, 2008; Tomosaka et al., 2008). In recent study, the extract of Berberis dried fruit significantly decreased inflamed and total lesion counts in a group of patients with acne vulgaris (Fouladi, 2012).

This study aimed to investigate the effect of fresh Berberis vulgaris fruit juice against acne vulgaris in patients with mild-to-moderate disease.

MATERIALS AND METHODS

This study was a double-blind, placebo-controlled, randomized clinical trial, carried out on 40 volunteers with moderate-to-severe acne vulgaris (Burke and Cunliffe, 1984) recruited from a private clinic from July 2013 to March 2014.

Patients with secondary acne vulgaris, hypersensitivity to Berberis, with other concomitant dermatologic diseases and those on known anti-acne treatments started from the previous 3 months were not enrolled.

Berberis juice was prepared from fresh fruits of Berberis vulgaris purchased from the local market. A skilled botanist from a local university confirmed the process of obtaining and preparing Berberis juice. Participants were randomly allocated to two 20-patient groups, receiving either 100 mL of the prepared juice once daily (case group) or 100 mL distilled water mixed with Berberis artificial flavor (the controls) for 30 consecutive days.

For the purpose of blinding, the preparations were poured in similar bottles and the two groups were labeled as “A” or “B” by a colleague who was not involved in this study.

Neither the patients nor the examiner were aware of the grouping until the study was fulfilled. Noninflamed, inflamed and total facial acne lesions were counted at baseline, on week 2 and at the endpoint.

Within the study period, the participants were asked to not use any anti-acne therapy and all followed a conventional, similar diet.

Two patients from the case group were lost during the study period.

Statistical analysis: The SPSS software version 16.0 (SPSS Inc., Il, USA) was employed for statistical analysis. The chi-square test, independent samples t-tests and Repeated Measures Analysis (RMA) were used, where appropriate. The value of p≤0.05 were considered as significant.

RESULTS

The case group included 9 males (50%) and 9 females (50%) with a mean age of 16.1±3.9 years (Range: 12-25) and the mean duration of the disease of 2.9±1.7 years (Range: 1-7). The control group included 9 males (45%) and 11 females (55%) with a mean age of 15.9±4.7 years (Range: 12-29) and the mean duration of the disease of 2.9±1.5 years (Range: 1-6).

There was no significant difference between the two groups in terms of sex (p = 0.76), age (p = 0.89) and the duration of the disease (p = 0.94). Changes of the mean lesion counts during the study period are set out in Table 1. Changes in the mean count of noninflamed lesions from baseline to endpoint did not differ significantly between the two groups (p = 0.33).

Table 1:Mean facial acne lesions at baseline, on week 2 and at endpoint in two groups receiving either Berberis juice (cases) or placebo (controls)
Data is presented as mean±standard deviation

For inflamed and total lesion in Table 1, however, the mean decrease in the count was significantly higher in the case than in the control group (p = 0.01 and 0.02, respectively).

The patients in the case group reported no important complications.

DISCUSSION

In the present study, oral consumption of fresh Berberis fruit juice was affective against inflamed and total acne lesion counts in patients with mild-to-moderate disease. Against noninflamed lesions, however, the therapeutic effect of Berberis juice was not statistically significant.

In line with these findings (Fouladi, 2012) showed that aqueous extract of dried fruit of Berberis vulgaris was effective against acne lesions. Similar to the findings of the present study, noninflamed lesions were not significantly affected. Chemical analyses on the extracts from Berberis vulgaris fruit have identified various compounds such as flavonoids, isoquinoline, alkaloids, carbohydrates, vitamin, etc. (Ivanovska and Philipov, 1996; Pozniakovskii et al., 2003; Imanshahidi and Hosseinzadeh, 2008).

Among these identified compounds, berberine is the most important one that is believed mediates many beneficial medical effects of this plant (Kupeli et al., 2002; Yesilada and Kupeli, 2002). For example (Seki and Morohashi, 1993) showed that berberine effectively arrested the lipogenesis in hamster sebaceous glands. In addition to this finding, (Imanshahidi and Hosseinzadeh, 2008) showed that some alkaloids present in Berberis fruit extract have potent anti-inflammatory property, a substantial characteristic of efficacious anti-acne medications.

Other anti-acne properties of Berberis vulgaris are attributed to its anti-oxidant property that prevents lipid peroxidation and oxidative stress (Bowe and Logan, 2010). These beneficial effects against acne lesions are believed to be due to the presence of the phenolic compounds (Tyramine, cannabisin and lyoniresinol) in the extract of its fruit (Tomosaka et al., 2008). Finally, some anxiolytic effects have been proposed in connection with Berberis fruit extract consumption (Peng et al., 2004).

It should be noted that stress is a suspected factor in the pathogenesis of acne vulgaris that exerts its pathologic consequences through changes in the immune system of the skin and compromising the cutaneous barrier function against microorganisms (Garg et al., 2001; Dhabhar, 2003; Yosipovitch et al., 2007).

Overall, according to the findings of the present study, fresh Berberis vulgaris fruit juice, like the extract of its dried fruit, is effective against mild-to-moderate acne vulgaris and can be used as a safe alternative for chemical medications. Further studies with longer follow-ups, however, are recommended in this regard (Shakeri et al., 2011a, b; Amirnia et al., 2012; Feiz et al., 2012; Tarzamni et al., 2012; Baharivand et al., 2013; Pouriesa et al., 2013; Daghighi et al., 2014; Sabeti et al., 2013).

CONCLUSION

Fresh Berberis vulgaris fruit juice is effective against acne lesions in patients with mild-to-moderate disease.

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