| In vitro: |
| Journal of Northwest Sci-Tech Univ of Agr and Forest., 2007, 35(9):117-22. | | Study on 6 insecticidal podophyllotoxin compounds from the berries of Sabina vulgaris Ant.[Reference: WebLink] |
METHODS AND RESULTS:
In order to isolate other insecticidal podophyllotoxin compounds from the berries of Sabina vulgaris Ant.,six podophyllotoxin compounds were isolated by tracing with insecticidal activity.
They were identified as acetyl picropodophyllotoxin,deoxypicropodophyllotoxin,
acetylepipodophyllotoxin,podophyllotoxin,deoxypodophyllotoxin and picropodophyllotoxin.The antifeeding activities against the 3rd-instar larve of Mythimna separate W.and the toxic activities against the 4th-instar larvae of Pieris rapae L.and the 3rd-instar larve of Plutella xylostella L.were tested by leaf-disk method and leaf-dipping method,respectively.
CONCLUSIONS:
The bioassay results indicated that all these compounds showed highly antifeeding and toxic activities against the 3 tested insects.Podophyllotoxin and deoxypodophyllotoxin were the two with the highest insecticidal activities among the six,while picropodophyllotoxin was the lowest.Besides,acetyl picropodophyllotoxin,deoxypicropodophyllotoxin,acetylepipodophyllotoxin and picropodophyllotoxin were insecticidal compounds firstly reported from S.vulgaris. |
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