𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The Mineral Content of Birds and Insects in Plantations of Pinus sylvestris L.

✍ Scribed by H. M. Grimshaw, J. D. Ovington, M. M. Betts and J. A. Gibb

Book ID
120644744
Publisher
John Wiley and Sons
Year
1958
Tongue
English
Weight
696 KB
Volume
9
Category
Article
ISSN
0030-1299

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Lignans from the bark extract of Pinus s
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## Abstract Three lignans were isolated from a bioactive fraction of the 70% aqueous acetone extract of the pine (__Pinus sylvestris__ L.) bark. Their structures were identified by high‐resolution positive ion EI mass spectrometry and NMR spectroscopy. The complete assignment of proton and carbon s