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11 results for “Seed testa”
FIGURE. Seedlings, seeds, embryos, anthers, and pollen in Dicorynia. A–D. Different stages of development in seedlings of D. paraensis, First eophiles unifoliolate and opposite; E–G. Seed of D. guianensis: E. External surface; F. Endosperm of the longitudinally sectioned seed, note the slightly gelatinous upper region; G. Cotyledon and embryo of longitudinally sectioned seed; H. SEM of seed's testa in D. paraensis; I. SEM of endosperm's surface in D. guianensis (notice the presence of circular perforations); J–K. SEM of the hypocotyl-radicular axis of the seed in D. guianensis and D. paraensis; L. SEM of seed's testa in D. guianensis; M–N. SEM of plumule region in embryo of D. guianensis and D. paraensis (note the developed leaf primordia); O. Apex of anther in longer stamen of D. paraensis, showing 4 sporangia and two pores covered by an apicle; P. Apex of anther in shorter stamen of D. guianensis, at least 9 sporangia; Q. Apex of anther in longer stamen of D. guianensis, 8 sporangia; R. Pollen grains in D. paraensis. A–D: Falcão, M.J. 91; E–G, I–J, L–M: Gentry 63030; H, K, N: Berry, P.E. 7460; O: Amaral, E. 618; P, Q: Unknown collector MO1576407; Scale bar. A–D: 2cm; E–G: 3mm; H–L: 1mm; M–N: 100 μm; O-Q: 200μm; R: 5 μm. in A Taxonomic Revision of the Amazonian Genus Dicorynia (Fabaceae: Dialioideae)
FIGURE. Seedlings, seeds, embryos, anthers, and pollen in Dicorynia. A–D. Different stages of development in seedlings of D. paraensis, First eophiles unifoliolate and opposite; E–G. Seed of D. guianensis: E. External surface; F. Endosperm of the longitudinally sectioned seed, note the slightly gelatinous upper region; G. Cotyledon and embryo of longitudinally sectioned seed; H. SEM of seed's testa in D. paraensis; I. SEM of endosperm's surface in D. guianensis (notice the presence of circular perforations); J–K. SEM of the hypocotyl-radicular axis of the seed in D. guianensis and D. paraensis; L. SEM of seed's testa in D. guianensis; M–N. SEM of plumule region in embryo of D. guianensis and D. paraensis (note the developed leaf primordia); O. Apex of anther in longer stamen of D. paraensis, showing 4 sporangia and two pores covered by an apicle; P. Apex of anther in shorter stamen of D. guianensis, at least 9 sporangia; Q. Apex of anther in longer stamen of D. guianensis, 8 sporangia; R. Pollen grains in D. paraensis. A–D: Falcão, M.J. 91; E–G, I–J, L–M: Gentry 63030; H, K, N: Berry, P.E. 7460; O: Amaral, E. 618; P, Q: Unknown collector MO1576407; Scale bar. A–D: 2cm; E–G: 3mm; H–L: 1mm; M–N: 100 μm; O-Q: 200μm; R: 5 μm.
FIGURE 1. Garcinia sibeswarii. A. Branch with fruit. B. Blaze showing exudates. C. Male flower. D. Female flower. E. Fruit. F. Fruit rind cut showing fibrous aril. G. Fruit cross section. H. Seed testa removed showing noduled surface. I in Garcinia sibeswarii (Clusiaceae), a new species from Assam, India
FIGURE 1. Garcinia sibeswarii. A. Branch with fruit. B. Blaze showing exudates. C. Male flower. D. Female flower. E. Fruit. F. Fruit rind cut showing fibrous aril. G. Fruit cross section. H. Seed testa removed showing noduled surface. I. Mature seed.
Fig. 6 in Bioactive chemical constituents from the seed testa of Vernicia fordii as potential neuroinflammatory inhibitors
Fig. 6. (A) The experimental ECD spectra of 6 and 7; (B) The experimental and calculated ECD spectra of 6; (C) The experimental and calculated ECD spectra of 8.
Fig. 9 in Bioactive chemical constituents from the seed testa of Vernicia fordii as potential neuroinflammatory inhibitors
Fig. 9. Effects of the bioactive components (9, 10, 16, and 18) on LPS-induced TNF-α, IL-1β and IL-6 overexpression in microglial cells. BV-2 microglial cells were pretreated with tested compounds (10 μM) for 2 h and then stimulated with LPS (100 ng/mL) for 24 h. Total RNA was isolated 4 h after LPS treatment and the mRNA levels of TNF-α, IL-1β and IL-6 were measured by qRT-PCR. Data are expressed as means ± SEM (n = 4). #P <0.001 compared with the untreated cells (control group); *P <0.05 compared with the cells treated with LPS alone (LPS group).
Fig. 8 in Bioactive chemical constituents from the seed testa of Vernicia fordii as potential neuroinflammatory inhibitors
Fig. 8. Effects of the extracts and bioactive compounds 3–5, 9–12, 15–17, 18, 21 and 23 on LPS-induced NO production in microglial cells. (A) Inhibitory effects of the extracts. (B) Inhibitory effects of the identified compounds 3–5, 9–12, 15–17, 18, 21 and 23. (BV-2 cells were treated with tested samples in the presence of LPS (100 ng/mL) for 24 h. NO production was tested by Griess reaction. Data are expressed as means ± SEM (n = 3). # P <0.05 compared with the control group, *P <0.05 compared with LPS group. YTK: 70% ethanol crude extract; YTK-1: petroleum ether extract; YTK-2: ethyl acetate extract; YTK-3: n-butanol extract; Mino: minocycline using as positive control).
Fig. 7 in Bioactive chemical constituents from the seed testa of Vernicia fordii as potential neuroinflammatory inhibitors
Fig. 7. Plausible biosynthesis pathways of the identified lignans 1–22.
Fig. 3 in Bioactive chemical constituents from the seed testa of Vernicia fordii as potential neuroinflammatory inhibitors
Fig. 3. The key HMBC correlations (↷) of compounds 1–8.
Fig. 2 in Bioactive chemical constituents from the seed testa of Vernicia fordii as potential neuroinflammatory inhibitors
Fig. 2. The structures of 9–23.
Fig. 1 in Bioactive chemical constituents from the seed testa of Vernicia fordii as potential neuroinflammatory inhibitors
Fig. 1. The structures of undescribed lignans 1–8.
Fig. 5 in Bioactive chemical constituents from the seed testa of Vernicia fordii as potential neuroinflammatory inhibitors
Fig. 5. Key NOE correlations of 3–5.
Fig. 4 in Bioactive chemical constituents from the seed testa of Vernicia fordii as potential neuroinflammatory inhibitors
Fig. 4. (A) The CD exciton chirality model for 1 and 2; (B)–(F) The calculated ECD spectra of 1 (B), 2 (C), 3 (D), 4 (E), and 5 (F).
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