SIGLECopy held by FIZ Karlsruhe; available from UB/TIB Hannover / FIZ - Fachinformationszzentrum ... more SIGLECopy held by FIZ Karlsruhe; available from UB/TIB Hannover / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekDEGerman
Near-UV irradiation of aqueous solutions of 7-hydroxy-6-methoxycoumarin (scopoletin) and 6,7-dihy... more Near-UV irradiation of aqueous solutions of 7-hydroxy-6-methoxycoumarin (scopoletin) and 6,7-dihydroxycoumarin (esculetin) resulted in the formation of dimers. Substantially greater amounts of the 7-hydroxy-6-methoxycoumarin photodimer were produced compared with that of 6,7-dihydroxycoumarin. Fluorescence spectra indicated that the initial photolytic reaction involves the excited state of the phenolate form of the monomeric coumarin. The electro-spray ionization (ESI) mass spectrum suggested that the major product (with a sodiated quasimolecular ion at m/z 405) from the photolysis of scopoletin in water had formed by oxidative dimerisation and possibly had a 3,3′-bond. A second dimer (with a sodiated quasimolecular ion at m/z 407) was probably a 2 + 2 cyclodimer. This work concluded that photolysis of coumarins in water results in oxidative dimerisation whereas photolysis in the solid state or in organic solvents results in cyclodimerisation. Minor monomeric photoproducts were a di...
Apple pomace is the press cake resulting from pressing apples for juice (see Fig. 1). This chapte... more Apple pomace is the press cake resulting from pressing apples for juice (see Fig. 1). This chapter is not an all-encompassing review of apple pomace, but rather highlights areas the authors view as significant and with which they have expertise. Production figures for apple pomace are shown in Table 1.
Apple pomace is the press cake resulting from pressing apples for juice (see Fig. 1). This chapte... more Apple pomace is the press cake resulting from pressing apples for juice (see Fig. 1). This chapter is not an all-encompassing review of apple pomace, but rather highlights areas the authors view as significant and with which they have expertise. Production figures for apple pomace are shown in Table 1.
... Science Ltd. All rights reserved. Antioxidant and radical scavenging activities of polyphenol... more ... Science Ltd. All rights reserved. Antioxidant and radical scavenging activities of polyphenols from apple pomace. Yinrong Lu Corresponding ...
SIGLECopy held by FIZ Karlsruhe; available from UB/TIB Hannover / FIZ - Fachinformationszzentrum ... more SIGLECopy held by FIZ Karlsruhe; available from UB/TIB Hannover / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekDEGerman
Near-UV irradiation of aqueous solutions of 7-hydroxy-6-methoxycoumarin (scopoletin) and 6,7-dihy... more Near-UV irradiation of aqueous solutions of 7-hydroxy-6-methoxycoumarin (scopoletin) and 6,7-dihydroxycoumarin (esculetin) resulted in the formation of dimers. Substantially greater amounts of the 7-hydroxy-6-methoxycoumarin photodimer were produced compared with that of 6,7-dihydroxycoumarin. Fluorescence spectra indicated that the initial photolytic reaction involves the excited state of the phenolate form of the monomeric coumarin. The electro-spray ionization (ESI) mass spectrum suggested that the major product (with a sodiated quasimolecular ion at m/z 405) from the photolysis of scopoletin in water had formed by oxidative dimerisation and possibly had a 3,3′-bond. A second dimer (with a sodiated quasimolecular ion at m/z 407) was probably a 2 + 2 cyclodimer. This work concluded that photolysis of coumarins in water results in oxidative dimerisation whereas photolysis in the solid state or in organic solvents results in cyclodimerisation. Minor monomeric photoproducts were a di...
Apple pomace is the press cake resulting from pressing apples for juice (see Fig. 1). This chapte... more Apple pomace is the press cake resulting from pressing apples for juice (see Fig. 1). This chapter is not an all-encompassing review of apple pomace, but rather highlights areas the authors view as significant and with which they have expertise. Production figures for apple pomace are shown in Table 1.
Apple pomace is the press cake resulting from pressing apples for juice (see Fig. 1). This chapte... more Apple pomace is the press cake resulting from pressing apples for juice (see Fig. 1). This chapter is not an all-encompassing review of apple pomace, but rather highlights areas the authors view as significant and with which they have expertise. Production figures for apple pomace are shown in Table 1.
... Science Ltd. All rights reserved. Antioxidant and radical scavenging activities of polyphenol... more ... Science Ltd. All rights reserved. Antioxidant and radical scavenging activities of polyphenols from apple pomace. Yinrong Lu Corresponding ...
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