TABLE 1.
Information of berberine of each study.
| Study (years) | Source | Purity (%) | Quality control reported |
|---|---|---|---|
| Bhutada et al. (2011) | Sami Labs (Bangalore, India) | >97% | Unknown |
| Ma et al. (2012a) | Nanjing Zelang Pharmaceutical Technology Co., Ltd. (Nanjing, China) | >97% | Y-HPLC |
| Ma et al. (2012b) | Nanjing Zelang Pharmaceutical Technology Co., Ltd. (Nanjing, China) | >97% | Y-HPLC |
| Kalalian-Moghaddam et al. (2013) | Sigma-Aldrich (St. Louis, MO, United States) | >95% | Y-HPLC |
| Moghaddam et al. (2013) | Sigma-Aldrich (St. Louis, MO, United States) | >95% | Y-HPLC |
| Moghaddam et al. (2014) | Sigma-Aldrich (St. Louis, MO, United States) | >95% | Y-HPLC |
| Zhou et al. (2016) | Northeast Pharmaceutical Group (Shenyang, China) | >98% | Y-HPLC |
| Chen et al. (2017) | Sigma-Aldrich (St. Louis, MO, United States) | >95% | Y-HPLC |
| Wang et al. (2018) | Sigma-Aldrich (St. Louis, MO, United States) | >95% | Y-HPLC |
| Li et al. (2018) | Sigma-Aldrich (St. Louis, MO, United States) | >95% | Y-HPLC |
| Wang et al. (2019) | Shanghai Yuanye Bio-Technology Co., Ltd. (Shanghai, China) | ≥98% | Y-HPLC |
| Tong et al. (2019) | Unknown | Unknown | Unknown |
| Xuan (2021) | Sigma-Aldrich (St. Louis, MO, United States) | >95% | Y-HPLC |
| Liu (2021) | Sigma-Aldrich (St. Louis, MO, United States) | >95% | Y-HPLC |
| Adefegha et al. (2021) | Sigma-Aldrich (St. Louis, MO, United States) | >95% | Y-HPLC |
| Zhang et al. (2021) | Northeast Pharmaceutical Group (Shenyang, China) | >98% | Y-HPLC |
| Wu et al. (2021) | Sigma-Aldrich (St. Louis, MO, United States) | >95% | Y-HPLC |
| Cao et al. (2021) | Northeast Pharmaceutical Group (Shenyang, China) | >98% | Y-HPLC |
| Tian et al., 2021 | Unknown | Unknown | Unknown |
| Ma and Liu (2021) | Shanghai Yuanye Bio-Technology Co., Ltd. (Shanghai, China) | ≥98% | Y-HPLC |