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oxymapure  (Chem Impex International)
96
Chem Impex International oxymapure
Oxymapure, supplied by Chem Impex International, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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guanosine 5 triphosphate gtp  (Chem Impex International)
96
Chem Impex International guanosine 5 triphosphate gtp
Guanosine 5 Triphosphate Gtp, supplied by Chem Impex International, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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mitraphylline 1  (ChromaDex)
86
ChromaDex mitraphylline 1
Figure 2. HPLC-PDA monitoring of alkaloid isomerization after heating under reflux of pentacyclic oxindole alkaloid (POA) (a) and tetracyclic oxindole alka loids (TOA) (b) in dynamic maceration (DM) extract; Comparison of interconversion between mitraphylline (1) and isomitraphylline (2) in DM extract (c) and reference solution (d); Black line and gray line for POA with cis and trans D/E ring junction, respectively. Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6) rhyncophylline (7), and isorhyncophylline (8)
Mitraphylline 1, supplied by ChromaDex, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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cucurbitacin i  (ChromaDex)
90
ChromaDex cucurbitacin i
Figure 2. HPLC-PDA monitoring of alkaloid isomerization after heating under reflux of pentacyclic oxindole alkaloid (POA) (a) and tetracyclic oxindole alka loids (TOA) (b) in dynamic maceration (DM) extract; Comparison of interconversion between mitraphylline (1) and isomitraphylline (2) in DM extract (c) and reference solution (d); Black line and gray line for POA with cis and trans D/E ring junction, respectively. Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6) rhyncophylline (7), and isorhyncophylline (8)
Cucurbitacin I, supplied by ChromaDex, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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β nicotinamide adenine dinucleotide phosphate  (Chem Impex International)
95
Chem Impex International β nicotinamide adenine dinucleotide phosphate
Figure 2. HPLC-PDA monitoring of alkaloid isomerization after heating under reflux of pentacyclic oxindole alkaloid (POA) (a) and tetracyclic oxindole alka loids (TOA) (b) in dynamic maceration (DM) extract; Comparison of interconversion between mitraphylline (1) and isomitraphylline (2) in DM extract (c) and reference solution (d); Black line and gray line for POA with cis and trans D/E ring junction, respectively. Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6) rhyncophylline (7), and isorhyncophylline (8)
β Nicotinamide Adenine Dinucleotide Phosphate, supplied by Chem Impex International, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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anti spike s1 antibody  (ProSci Incorporated)
93
ProSci Incorporated anti spike s1 antibody
Figure 2. HPLC-PDA monitoring of alkaloid isomerization after heating under reflux of pentacyclic oxindole alkaloid (POA) (a) and tetracyclic oxindole alka loids (TOA) (b) in dynamic maceration (DM) extract; Comparison of interconversion between mitraphylline (1) and isomitraphylline (2) in DM extract (c) and reference solution (d); Black line and gray line for POA with cis and trans D/E ring junction, respectively. Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6) rhyncophylline (7), and isorhyncophylline (8)
Anti Spike S1 Antibody, supplied by ProSci Incorporated, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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amphotericin b  (Chem Impex International)
95
Chem Impex International amphotericin b
Figure 2. HPLC-PDA monitoring of alkaloid isomerization after heating under reflux of pentacyclic oxindole alkaloid (POA) (a) and tetracyclic oxindole alka loids (TOA) (b) in dynamic maceration (DM) extract; Comparison of interconversion between mitraphylline (1) and isomitraphylline (2) in DM extract (c) and reference solution (d); Black line and gray line for POA with cis and trans D/E ring junction, respectively. Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6) rhyncophylline (7), and isorhyncophylline (8)
Amphotericin B, supplied by Chem Impex International, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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benzidine  (Chem Impex International)
96
Chem Impex International benzidine
Figure 2. HPLC-PDA monitoring of alkaloid isomerization after heating under reflux of pentacyclic oxindole alkaloid (POA) (a) and tetracyclic oxindole alka loids (TOA) (b) in dynamic maceration (DM) extract; Comparison of interconversion between mitraphylline (1) and isomitraphylline (2) in DM extract (c) and reference solution (d); Black line and gray line for POA with cis and trans D/E ring junction, respectively. Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6) rhyncophylline (7), and isorhyncophylline (8)
Benzidine, supplied by Chem Impex International, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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diosgenin  (Chem Impex International)
95
Chem Impex International diosgenin
Figure 2. HPLC-PDA monitoring of alkaloid isomerization after heating under reflux of pentacyclic oxindole alkaloid (POA) (a) and tetracyclic oxindole alka loids (TOA) (b) in dynamic maceration (DM) extract; Comparison of interconversion between mitraphylline (1) and isomitraphylline (2) in DM extract (c) and reference solution (d); Black line and gray line for POA with cis and trans D/E ring junction, respectively. Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6) rhyncophylline (7), and isorhyncophylline (8)
Diosgenin, supplied by Chem Impex International, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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room temperature sodium carbonate  (Chem Impex International)
96
Chem Impex International room temperature sodium carbonate
Figure 2. HPLC-PDA monitoring of alkaloid isomerization after heating under reflux of pentacyclic oxindole alkaloid (POA) (a) and tetracyclic oxindole alka loids (TOA) (b) in dynamic maceration (DM) extract; Comparison of interconversion between mitraphylline (1) and isomitraphylline (2) in DM extract (c) and reference solution (d); Black line and gray line for POA with cis and trans D/E ring junction, respectively. Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6) rhyncophylline (7), and isorhyncophylline (8)
Room Temperature Sodium Carbonate, supplied by Chem Impex International, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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inosine monophosphate imp disodium salts  (Chem Impex International)
96
Chem Impex International inosine monophosphate imp disodium salts
Figure 2. HPLC-PDA monitoring of alkaloid isomerization after heating under reflux of pentacyclic oxindole alkaloid (POA) (a) and tetracyclic oxindole alka loids (TOA) (b) in dynamic maceration (DM) extract; Comparison of interconversion between mitraphylline (1) and isomitraphylline (2) in DM extract (c) and reference solution (d); Black line and gray line for POA with cis and trans D/E ring junction, respectively. Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6) rhyncophylline (7), and isorhyncophylline (8)
Inosine Monophosphate Imp Disodium Salts, supplied by Chem Impex International, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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rbd domain  (ProSci Incorporated)
90
ProSci Incorporated rbd domain
Figure 2. HPLC-PDA monitoring of alkaloid isomerization after heating under reflux of pentacyclic oxindole alkaloid (POA) (a) and tetracyclic oxindole alka loids (TOA) (b) in dynamic maceration (DM) extract; Comparison of interconversion between mitraphylline (1) and isomitraphylline (2) in DM extract (c) and reference solution (d); Black line and gray line for POA with cis and trans D/E ring junction, respectively. Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6) rhyncophylline (7), and isorhyncophylline (8)
Rbd Domain, supplied by ProSci Incorporated, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Image Search Results


Figure 2. HPLC-PDA monitoring of alkaloid isomerization after heating under reflux of pentacyclic oxindole alkaloid (POA) (a) and tetracyclic oxindole alka loids (TOA) (b) in dynamic maceration (DM) extract; Comparison of interconversion between mitraphylline (1) and isomitraphylline (2) in DM extract (c) and reference solution (d); Black line and gray line for POA with cis and trans D/E ring junction, respectively. Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6) rhyncophylline (7), and isorhyncophylline (8)

Journal: Química Nova

Article Title: Cat's claw oxindole alkaloid isomerization induced by common extraction methods

doi: 10.1590/s0100-40422013000600012

Figure Lengend Snippet: Figure 2. HPLC-PDA monitoring of alkaloid isomerization after heating under reflux of pentacyclic oxindole alkaloid (POA) (a) and tetracyclic oxindole alka loids (TOA) (b) in dynamic maceration (DM) extract; Comparison of interconversion between mitraphylline (1) and isomitraphylline (2) in DM extract (c) and reference solution (d); Black line and gray line for POA with cis and trans D/E ring junction, respectively. Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6) rhyncophylline (7), and isorhyncophylline (8)

Article Snippet: The mitraphylline (1) (Phytolab, batch 2946, Germany) and isomitraphylline (2) (Chromadex, batch 09417-101, USA) were used as external standards.

Techniques: Reflux, Comparison

Figure 3. The first derivative (dx/dy) from the data fitted by Weibull equation in function of reaction time of pentacyclic oxindole alkaloid (POA) having cis D/E (a) and trans D/E ring junctions (b), and tetracyclic oxindole alkaloids (TOA) (c). Mitraphylline (1), isomitraphylline (2), speciophylline (3), ptero podine (5), isopteropodine (6), rhyncophylline (7), and isorhyncophylline (8)

Journal: Química Nova

Article Title: Cat's claw oxindole alkaloid isomerization induced by common extraction methods

doi: 10.1590/s0100-40422013000600012

Figure Lengend Snippet: Figure 3. The first derivative (dx/dy) from the data fitted by Weibull equation in function of reaction time of pentacyclic oxindole alkaloid (POA) having cis D/E (a) and trans D/E ring junctions (b), and tetracyclic oxindole alkaloids (TOA) (c). Mitraphylline (1), isomitraphylline (2), speciophylline (3), ptero podine (5), isopteropodine (6), rhyncophylline (7), and isorhyncophylline (8)

Article Snippet: The mitraphylline (1) (Phytolab, batch 2946, Germany) and isomitraphylline (2) (Chromadex, batch 09417-101, USA) were used as external standards.

Techniques:

Figure 1S. HPLC-PDA profile of oxindole alkaloids in DM extract, at 245 nm (a); HPLC-MS/MS profiles monitoring the pseudomolecular ions [M+H]+ at m/z 369.3 for pentacyclic oxindole alkaloid (POA), and m/z 385.4 for tetracyclic oxindole alkaloids (TOA) (b); Distinctive transitions of POA at m/z 369.3 → 337.1 (c), and TOA at m/z 385.4 → 353.4 (d); MS/MS spectra of POA (e), and TOA (f). Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6), rhyncophylline (7), and isorhyncophylline (8)

Journal: Química Nova

Article Title: Cat's claw oxindole alkaloid isomerization induced by common extraction methods

doi: 10.1590/s0100-40422013000600012

Figure Lengend Snippet: Figure 1S. HPLC-PDA profile of oxindole alkaloids in DM extract, at 245 nm (a); HPLC-MS/MS profiles monitoring the pseudomolecular ions [M+H]+ at m/z 369.3 for pentacyclic oxindole alkaloid (POA), and m/z 385.4 for tetracyclic oxindole alkaloids (TOA) (b); Distinctive transitions of POA at m/z 369.3 → 337.1 (c), and TOA at m/z 385.4 → 353.4 (d); MS/MS spectra of POA (e), and TOA (f). Mitraphylline (1), isomitraphylline (2), speciophylline (3), uncarine F (4), pteropodine (5), isopteropodine (6), rhyncophylline (7), and isorhyncophylline (8)

Article Snippet: The mitraphylline (1) (Phytolab, batch 2946, Germany) and isomitraphylline (2) (Chromadex, batch 09417-101, USA) were used as external standards.

Techniques: Tandem Mass Spectroscopy