A new abietic acid-type diterpene glucoside from the needles of Pinus densiflora.
Jung, Mee Jung 1; Jung, Hyun Ah 1; Kang, Sam Sik 2; Hwang, Geum-Sook 3; Choi, Jae Sue 1,4
[Article] Archives of Pharmacal Research. 32(12):1699-1704, December 2009.

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: From the ethyl acetate fraction of the methanol extract of the needles of Pinus densiflora (Pinaceae), a new diterpenoid glucoside [9[alpha],13[alpha]-epoxy-8[beta],14[beta]-dihydroxy-abietic acid-18- O-[beta]-D-glucopyranoside] (1), two flavonoid glucosides [kaempferol 3- O-[beta]-D-glucoside (2) and 6- C-methyl kaempferol 3- O-[beta]-D-glucoside (3)], and two monoterpenoid glucosides [bornyl 6- O-[alpha]-Larabinofuranosyl (1->6)-[beta]-D-glucopyranoside (4) and bornyl 6- O-[beta]-D-apiofuranosyl (1->6)-[beta]-D-glucopyranoside (5)] were isolated and characterized on the basis of spectral analysis. Of all the compounds, 2 and 3 showed peroxynitrite scavenging activity.

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