On the issue of growing Amur maakia (Maackia amurensis Rupr. Et Maxim.) In nursery and forest plantations

Seven isoflavonoids, including a new glycoside, (6a R,11a R)-medicarpin-3- O-gentiobioside (6), were isolated from the roots of Maackia amurensis using repeated column chromatography on a Toyopearl HW-50F sorbent and identified by HPLC–PDA–MS, 1H NMR, 13C, 1H–1H COSY, HSQC NMR and HMBC NMR analyses as daidzin (1), genistein-7- O-gentiobioside (2), pseudobaptigenin-7- O-gentiobioside (3), formononetin-7- O-gentiobioside (4), (6a R,11a R)-maackiain-3- O-gentiobioside (5), and 5- O-methylgenistein-7- O-gentiobioside (7). In the model of oxidative stress induced by formalin injection, the isolated isoflavone and pterocarpan glucosides 1-7 were shown to reduce the formation of malondialdehyde (MDA) and other thiobarbituric acid reactive substances (TBARS), as well as glutathione peroxidase (GPO) activity in rats.

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Location of Sialoglycoconjugates Containing the Siaα2–3Gal and Siaα2–6Gal Groups in the Rat Hippocampus and the Effect of Aging on Their Expression

Journal of Histochemistry & Cytochemistry ◽

10.1177/002215540104901014 ◽

2001 ◽

Vol 49 (10) ◽

pp. 1311-1319 ◽

Cited By ~ 12

Author(s):

Yuji Sato ◽

Yoshihiro Akimoto ◽

Hayato Kawakami ◽

Hiroshi Hirano ◽

Tamao Endo

Keyword(s):

Electron Microscopy ◽

Plasma Membranes ◽

Pyramidal Cells ◽

Staining Intensity ◽

Rat Hippocampus ◽

Maackia Amurensis ◽

Ca1 Region ◽

Old Rats ◽

Maackia Amurensis Lectin ◽

Stratum Lacunosum Moleculare

The histochemical distribution of sialoglycoconjugates in the CA1 region in the hippocampus formation of 9-week-old rats and 30-month-old rats was examined using electron microscopy in combination with two lectins, Maackia amurensis lectin, specific for Siaα2–3Gal, and Sambucus sieboldiana agglutinin, specific for Siaα2–6Gal. Each lectin stained the plasma membranes of pyramidal cells, indicating that the Siaα2–3Gal and Siaα2–6Gal groups were expressed on their plasma membranes. These lectins also bound to synapses in the stratum lacunosum moleculare. The staining intensity of the lectins in the synapses in these layers was downregulated in the 30-month-old rats. These results indicated that both the Siaα2–3Gal and Siaα2–6Gal groups are expressed on these synapses and that the expression of these sialyl linkages decreases in the aged brain.

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Farmers’ Forest Values and Preferences for Strategies for Managing Smallholder Forest Plantations Established on State Reserve Lands, Ghana

Small-scale Forestry ◽

10.1007/s11842-020-09467-0 ◽

2021 ◽

Author(s):

Lawrence Damnyag ◽

Alex Aboagye Bampoh

Keyword(s):

Forest Plantations ◽

Forest Values

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Land Use Spatial Optimization for Sustainable Wood Utilization at the Regional Level: A Case Study from Vietnam

Forests ◽

10.3390/f12020245 ◽

2021 ◽

Vol 12 (2) ◽

pp. 245

Author(s):

Nguyen Dang Cuong ◽

Köhl Michael ◽

Mues Volker

Keyword(s):

Land Use ◽

Forest Management ◽

Forest Plantations ◽

Land Resource ◽

Forest Landscape ◽

Timber Supply ◽

Landscape Restoration ◽

Forest Landscape Restoration ◽

Wood Utilization

Forest landscape restoration is a widely accepted approach to sustainable forest management. In addition to revitalizing degraded sites, forest landscape restoration can increase the supply of sustainable timber and thereby reduce logging in natural forests. The current study presents a spatial land use optimization model and utilizes a linear programming algorithm that integrates timber production and timber processing chains to meet timber demand trade-offs and timber supply. The objective is to maximize yield and profit from forest plantations under volatile timber demands. The model was parameterized for a case study in Thai Nguyen Province, Vietnam, where most forest plantations grow Acacia mangium (A. mangium). Data were obtained from field surveys on tree growth, as well as from questionnaires to collect social-economic information and determine the timber demand of local wood processing mills. The integration of land use and wood utilization approaches reduces the amount of land needed to maintain a sustainable timber supply and simultaneously leads to higher yields and profits from forest plantations. This forest management solution combines economic and timber yield aspects and promotes measures focused on economic sustainability and land resource efficiency.

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