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Volume 66, Issue 1
Displaying 1-19 of 19 articles from this issue
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[in Japanese]1971 Volume 66 Issue 1 Pages 1-2
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese]1971 Volume 66 Issue 1 Pages 3-5
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese]1971 Volume 66 Issue 1 Pages 6-8
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese]1971 Volume 66 Issue 1 Pages 9-12
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese]1971 Volume 66 Issue 1 Pages 13-18
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese]1971 Volume 66 Issue 1 Pages 19-21
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese]1971 Volume 66 Issue 1 Pages 22-26
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese]1971 Volume 66 Issue 1 Pages 27-30
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese]1971 Volume 66 Issue 1 Pages 31-33
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese]1971 Volume 66 Issue 1 Pages 34-36
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese]1971 Volume 66 Issue 1 Pages 41-43
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese]1971 Volume 66 Issue 1 Pages 44
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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(VIII) Color Development of Sake Caused by Exposure to Sunlight without the Participation of Deferri-ferrichrysinShin SATO, Kin-ichi NAKAMURA, Makoto TADENUMA, Yuzuru IIMURA1971 Volume 66 Issue 1 Pages 57-61
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
JOURNAL FREE ACCESSIn the course of studies on color development of sake caused by exposure to sunlight with the participation of deferri-ferrichrysin (reaction I), other color development reactions in which deferriferrichrysin did not participate were anticipated.
Sake fraction which was adsorbed on Amberlite IR-120 and eluted by N·NaOH was colored by: exposure to sunlight. From studies on this fraction, the scheme of the reaction was presumed as follows and this was named reaction II.View full abstractDownload PDF (778K) -
(IX) Summary of Color Development caused by Exposure to SunlightKin-ichi NAKAMURA, Shin SATO, Makoto TADENUMA, Masaaki HAMACHI, Takash ...1971 Volume 66 Issue 1 Pages 62-70
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
JOURNAL FREE ACCESSThe presence of two reaction systems in color development of sake caused by exposure to sunlight has been reported in previous papers. In this paper, these two reactions were proved to be the main reaction sytems in actual sake qualitatively and quantitatively, and it was demonstrated that as high as 75% of color development of sake caused by exposure to sunlight can be explained by these two, reactions. Furthermore, the method for estimating the extent of color development of individual sake caused by exposure to sunlight was proposed.View full abstractDownload PDF (1447K) -
Part 3. An Ethyl Ether soluble precursor for browning substanceToshiteru OBA, Hideya MURAKAMI, Shodo HARA, Akihiko KATO1971 Volume 66 Issue 1 Pages 71-75
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
JOURNAL FREE ACCESSThe precursor for browning substances in rice-koji was studied by comparing two kinds of koji made by culturing two strains of A. oryzae in steamed rice: one is strain RIB 128 which is always koji brown, and other is strain RIB 647 which is never brown.
When the koji cultured with R I B 128 was steeped in water at 40°C and filtered, both the filtrate and the residue gradually became brown and finally black in the presence of air, which shows that the precursor for browing substances of rice koji is soluble in water. Studies were then carried out by using the filtrate of koji and the results are as follows.
1. The eluate by acetic acid from alumina column was subjected to Dowex 50-X8 (H) chromatography, followed by successive elution with water and IN HCl. The eluate by water from this column was extracted with ethyl ether. Ethyl ether fraction was condensed by rotary evaporator and purified by polyamide column chromatography.
Comparing the Rf of paper chromatography and the maximum UV-absorption of the ether soluble substance with those of authentic protocatechuic acid, ether soluble substance was proved to be protocatechuic acid.
2. Protocatechuic acid was not found in the rice koji made by culturing RIB 647 and was regarded as one substance of the precursor for browning substances.View full abstractDownload PDF (615K) -
[in Japanese], [in Japanese], [in Japanese]1971 Volume 66 Issue 1 Pages 76-77
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese], [in Japanese], [in Japanese]1971 Volume 66 Issue 1 Pages 78-80
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese], [in Japanese]1971 Volume 66 Issue 1 Pages 81-83
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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[in Japanese], [in Japanese], [in Japanese]1971 Volume 66 Issue 1 Pages 84-87
Published: January 15, 1971
Released on J-STAGE: November 04, 2011
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