Skip to main content

Table 4 List of compounds in P. mariana needle, bark and cone extracts identified by ESI-QTOF positive electrospray ionization. C (Retention time match ±0.02 min, low and high energy spectra match within ±5 ppm mass accuracy); P (low and high energy spectra match within 5 ppm mass accuracy); T (signal intensity of quasi molecular ion below 1500 counts); A (absent)

From: Growth environment and organ specific variation in in-vitro cytoprotective activities of Picea mariana in PC12 cells exposed to glucose toxicity: a plant used for treatment of diabetes symptoms by the Cree of Eeyou Istchee (Quebec, Canada)

# Compound Molecular formula Accurate mass [M + H]+ 1 Rt. (min) Needle Bark Cone
Phenolics
1  3′,4′-Dihydroxyacetophenone C8H8O3 152.0473 153.0553 2.71 C C A
2  4-Hydroxybenzoic acid C7H6O3 138.0317 139.0396 2.66 C T T
3  4-Methylcatechol C7H8O2 124.0524 125.0604 2.98 T T T
4  Coumarin C9H6O2 146.0368 147.0447 2.95 C C A
5  Dihydroquercetin C15H12O7 304.0583 305.0662 3.00 A T C
6  Isorhapontigenin C15H14O4 258.0892 259.0971 3.11 T A C
7  Isorhapontigenin 3-O-beta-D-glucopyranoside C21H24O9 420.1420 421.1500 3.12 A A P
8  Kaempferol C15H10O6 286.0477 287.0557 3.08 A A C
9  Kaempferol 3-(3″-p-coumaryl-6″-ferulylglucoside) C40H34O16 770.1847 771.1926 3.74 P A A
10  Kaempferol-7-O-glucoside C21H20O11 448.1006 449.1085 2.94 C A A
11  Piceatannol C14H12O4 244.0736 245.0815 2.91 C A C
12  Procyanidin B3 C30H26O12 578.1424 579.1504 3.92 C C C
13  Procyanidin B6 C30H26O12 578.1424 579.1504 2.65 C C C
14  Resveratrol C14H12O3 228.0786 229.0866 3.04 T A C
Terpenes
15  Picealactone C C20H22O4 326.1518 327.1597 3.58 A P A
16  Isolariciresinol C20H24O6 360.1573 361.1652 3.70 P A A
17  Picealactone A C20H22O3 310.1569 311.1648 4.48 A P T
18  Dehydroabietic acid C20H28O2 300.2089 301.2169 3.91 C C C
19  12-Hydroxydehydroabietic acid C20H28O3 316.2038 317.2118 4.37 P P P
20  Abieta-8,11,13-trien-7-one C20H28O 284.2140 285.2219 4.19 A P P
21  7-Oxodehydroabietic acid C20H26O3 314.1882 315.1961 4.42 C C C
22  Abietic acid C20H30O2 302.2246 303.2325 4.97 C C C
23  Sandaracopimaric acid C20H30O2 302.2246 303.2325 4.52 C C A
24  Typhasterol C28H48O4 448.3553 449.3632 5.20 P A A
25  (+)-Picealactone B C20H22O4 326.1518 327.1597 3.15 P A A
26  (+)-Lariciresinol C20H24O6 360.1573 361.1652 3.73 P A A
27  Gibberellin A1 C19H24O6 348.1573 349.1652 4.63 P A T
28  Gibberellin A15 C20H26O4 330.1831 331.1910 3.83 P P P
29  Gibberellin A51 C19H24O5 332.1624 333.1703 4.01 P P P
30  Gibberellin A29 C19H24O6 348.1573 349.1652 4.66 P A T
31  Gibberellin A7 C19H22O5 330.1467 331.1546 3.10 T A P
32  Neocembrene C20H32 272.2504 273.2583 5.12 A A P