In the original paper the following two errors were present. Correspondence should be addressed as shown above. In the original paper, the table describing major compounds in the oils of Boswellia species including studies on page 7 (Table 2) includes some errors. The value “29.3” should be “29.7” and “61.36” should be “61.4.” The corrected table is presented as follows.
Table 2.
Percentages of major compounds in the essential oils of reported Boswellia species.
| Boswellia species | Method of obtaining resin | Predominant compound(s) | Percentage (%) | Literature |
|---|---|---|---|---|
| B. serrata | Obtained from Willy Benecke GmbH (Hamburg, Germany) | Myrcene | 38 | [16] |
| B. serrata | NA | α-Thujene | 22.7–47.4 | [22] |
| B. serrata | NA | α-Thujene | 29.7 | [24] |
| B. serrata | NA | α-Thujene | 61.4 | [23] |
| B. carteri | Purchased from the local market of herbs and spices in Egypt | Duva-3,9,13-triene-1a-ol-5,8-oxide-1-acetate | 21.4 | [20] |
| B. sacra | Botanically certified oleogum resin | E-β-Ocimene | 32.3 | [25] |
| B. carteri/sacra | NM | Octanol acetate | 45.2 | [26] |
| B. carteri | Authentic sample from Ethiopia certified for its authenticity from the Agricultural Department of the Ethiopian government | Octyl acetate | 39.3 | [16] |
| B. rivae | NA | Limonene | 28.0 | [24] |
| B. rivae | Authentic sample from Ethiopia |
α-Pinene | 16.7 | [16] |
| B. rivae | NA | α-Pinene | 13.3 | [24] |
| B. rivae | NA | Octanol | 17.8 | [24] |
| B. neglecta | NA | α-Pinene | 16.7 | [27] |
| B. neglecta | Authentic sample from Ethiopia |
α-Pinene | 21.3 | [16] |
| B. papyrifera | NA | Octyl acetate | 63.5 | [24] |
| B. papyrifera | NA | Octyl acetate | 56.0 | [36] |
| B. pirottae | NA | trans-Verbenol | 15.5 | [27] |
| B. pirottae | NA | Terpinen-4-ol | 14.6 | [27] |
| B. frereana | Willy Benecke GmbH (Hamburg, Germany) |
α-Pinene | 38.0 | [16] |
NA: not available.