Results 71 to 80 of about 196 (117)
Bulbils of Aerial Yam Attenuate Ethanol-Induced Hepatotoxicity in HepG2 Cells through Inhibition of Oxidative Stress by Activation of the Nuclear Factor Erythroid-2-Related Factor 2 Signaling Pathway. [PDF]
NutrientsYang DK, Tungalag T, Kang HS.
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Anti-ageing and attenuating cognitive declines of Dicliptera chinensis extracts and purified compounds in vitro and in scopolamine-induced cognitive dysfunction mice. [PDF]
Bot StudSie YY, Lee MH, Hou WC.
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Purple Yampee Derivatives and Byproduct Characterization for Food Applications. [PDF]
FoodsMedina-López SV +4 more
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Food Research International, 2023
Many studies have shown that γ-aminobutyric acid (GABA) exhibits various beneficial biological activities, including gut-modulating, neuro-stimulating, and cardio-protecting activities. Naturally, GABA exists in small amounts in yam, which is primarily synthesized by the decarboxylation of L-glutamic acid in the presence of glutamate decarboxylase ...
Yun-Long, Chen +10 more
exaly +3 more sources
Many studies have shown that γ-aminobutyric acid (GABA) exhibits various beneficial biological activities, including gut-modulating, neuro-stimulating, and cardio-protecting activities. Naturally, GABA exists in small amounts in yam, which is primarily synthesized by the decarboxylation of L-glutamic acid in the presence of glutamate decarboxylase ...
Yun-Long, Chen +10 more
exaly +3 more sources
Cloning of genes and enzymatic characterizations of novel dioscorin isoforms from Dioscorea japonica
Plant Science, 2012Dioscorin, the major tuber storage protein of yam, has been shown to possess carbonic anhydrase, trypsin inhibitor, dehydroascorbate reductase, and monodehydroascorbate reductase activities. In the present study, dioscorin from Dioscorea japonica was confirmed as a glycoprotein using the enhanced concanavalin A-peroxidase staining method, and the ...
Masaru Tanokura +2 more
exaly +3 more sources
Characterisation of the yam tuber storage protein dioscorin
Journal of Plant Physiology, 1998Summary Dioscorin (Mr 31,000) is the major soluble protein present in the tubers of the tropical root crop yam (Dioscorea spp.) and in view of its abundance is considered to act as a storage protein. Because of the importance of the tuber as food for human nutrition the characterisation of dioscorin from Dioscorea caye-nensis was undertaken to ...
Arthur Tatham +2 more
exaly +2 more sources
Journal of the Chemical Society D: Chemical Communications, 1971
The administration of [1-14C]acetate to Dioscorea hispida plants resulted in the formation of radioactive dioscorine (0·2% incorporation), the pattern of labelling being consistent with the hypothesis that this alkaloid is formed from four acetate units and a piperidine moiety which may be derived from lysine.
Edward Leete +3 more
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The administration of [1-14C]acetate to Dioscorea hispida plants resulted in the formation of radioactive dioscorine (0·2% incorporation), the pattern of labelling being consistent with the hypothesis that this alkaloid is formed from four acetate units and a piperidine moiety which may be derived from lysine.
Edward Leete +3 more
openaire +1 more source
Food and Chemical Toxicology, 2007
The purified dioscorin from yam (Dioscorea alata L. cv. Tainong 1) tuber was previously reported (Hsu et al., 2002. J. Agric. Food Chem., 50, 6109-6113). In this report, we evaluated its immunomodulatory ability in vitro in the presence of polymyxin B (50 microg/ml) to eliminate lipopolysaccharide (LPS) contamination.
Wen-Chi Hou +2 more
exaly +3 more sources
The purified dioscorin from yam (Dioscorea alata L. cv. Tainong 1) tuber was previously reported (Hsu et al., 2002. J. Agric. Food Chem., 50, 6109-6113). In this report, we evaluated its immunomodulatory ability in vitro in the presence of polymyxin B (50 microg/ml) to eliminate lipopolysaccharide (LPS) contamination.
Wen-Chi Hou +2 more
exaly +3 more sources
Phytochemistry, 1972
Abstract The administration of [1- 14 C]-acetate of Dioscorea hispida plants afforded radioactive dioscorine (0·2% incorporation). A systematic degradation established that the bulk of the activity was located at alternate carbons of the unsaturated lactone ring (C-5: 31%, C-10: 28%, C-12: 28%).
E. Leete, A.R. Pinder
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Abstract The administration of [1- 14 C]-acetate of Dioscorea hispida plants afforded radioactive dioscorine (0·2% incorporation). A systematic degradation established that the bulk of the activity was located at alternate carbons of the unsaturated lactone ring (C-5: 31%, C-10: 28%, C-12: 28%).
E. Leete, A.R. Pinder
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Biosynthesis of dioscorine from trigonelline in Dioscorea hispida
Phytochemistry, 1988Abstract [6-14C,2-3H]Nicotinic acid, [6-14C,6-3H]nicotinic acid, [methyl-14C,2-2H,3H]trigonelline, and [methyl-14C,6-2H,3H] trigonelline were all incorporated into the isoquinuclidine moiety of the alkaloid dioscorine found in the yam Dioscorea hispida with complete retention of 3H relative to 14C.
Edward Leete, Robert H. Michelson
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