Naoki Mochizuki

Summary

Affiliation: Asahi Breweries
Country: Japan

Publications

  1. ncbi Identification of an interfering substrate in apple juice and improvement for determination of patulin with high-performance liquid chromatography analyses
    Naoki Mochizuki
    Department of Safety Evaluation, Research Laboratory for Food Safety Chemistry, Asahi Breweries, Ltd, 1 1 21 Midori, Moriya shi, Ibaraki 302 0106, Japan
    J Food Prot 72:805-9. 2009
  2. ncbi [Problems in LC-MS/MS analysis to ensure food safety]
    Naoki Mochizuki
    Research Laboratories for Food Safety Chemistry, Asahi Breweries, Ltd, Moriya, Ibaraki, Japan
    Yakugaku Zasshi 131:1019-25. 2011
  3. ncbi Comprehensive analysis of flavonols in Ginkgo biloba products by ultra-high-performance liquid chromatography coupled with ultra-violet detection and time-of-flight mass spectrometry
    Yasuhiro Kakigi
    Research Laboratories for Food Safety Chemistry, Asahi Group Holdings, Ltd, Moriya, Ibaraki, Japan
    Biosci Biotechnol Biochem 76:1003-7. 2012
  4. ncbi Investigation of biologically active components in ginkgo leaf products on the Japanese market
    Yasuhiro Kakigi
    Department of Functional Food Components Analysis, Research Laboratories for Food Safety Chemistry, Asahi Breweries, Ltd, Japan
    Biosci Biotechnol Biochem 75:777-9. 2011
  5. ncbi Fate of mycotoxins during beer brewing and fermentation
    Tomonori Inoue
    Research Laboratories for Food Safety Chemistry, Asahi Group Holdings Ltd, Moriya, Ibaraki 302 0106, Japan
    Biosci Biotechnol Biochem 77:1410-5. 2013
  6. pmc Degradation of aflatoxin B1 during the fermentation of alcoholic beverages
    Tomonori Inoue
    Research Laboratory for Food Safety Chemistry, Asahi Group Holdings, Ltd, 1 21, Midori 1 chome, Moriya shi, Ibaraki 302 0106, Japan
    Toxins (Basel) 5:1219-29. 2013
  7. ncbi The fate of mycotoxins during the distillation process of barley shochu, a distilled alcoholic beverage
    Yasushi Nagatomi
    Research Laboratories for Food Safety Chemistry, Asahi Group Holdings, Ltd, Moriya, Ibaraki, Japan
    Biosci Biotechnol Biochem 76:202-4. 2012
  8. pmc A method for multiple mycotoxin analysis in wines by solid phase extraction and multifunctional cartridge purification, and ultra-high-performance liquid chromatography coupled to tandem mass spectrometry
    Masayoshi Tamura
    Research Laboratories for Food Safety Chemistry, Asahi Group Holdings, Ltd, 1 21, Midori 1, Moriya, Ibaraki 302 0106, Japan
    Toxins (Basel) 4:476-86. 2012
  9. ncbi Development of a multi-mycotoxin analysis in beer-based drinks by a modified QuEChERS method and ultra-high-performance liquid chromatography coupled with tandem mass spectrometry
    Masayoshi Tamura
    Research Laboratories for Food Safety Chemistry, Asahi Breweries, Limited, 1 1 21 Midori, Moriya, Ibaraki 302 0106, Japan
    Anal Sci 27:629-35. 2011
  10. doi Fate of pesticides during beer brewing
    Tomonori Inoue
    Department of Safety Evaluation, Research Laboratories for Food Safety Chemistry, Asahi Breweries, Ltd, Moriya shi, Ibaraki, Japan
    J Agric Food Chem 59:3857-68. 2011

Collaborators

Detail Information

Publications20

  1. ncbi Identification of an interfering substrate in apple juice and improvement for determination of patulin with high-performance liquid chromatography analyses
    Naoki Mochizuki
    Department of Safety Evaluation, Research Laboratory for Food Safety Chemistry, Asahi Breweries, Ltd, 1 1 21 Midori, Moriya shi, Ibaraki 302 0106, Japan
    J Food Prot 72:805-9. 2009
    ..The most effective and simple improvement of the official method was the use of column in-point carbon contents greater than 15.5%...
  2. ncbi [Problems in LC-MS/MS analysis to ensure food safety]
    Naoki Mochizuki
    Research Laboratories for Food Safety Chemistry, Asahi Breweries, Ltd, Moriya, Ibaraki, Japan
    Yakugaku Zasshi 131:1019-25. 2011
    ..In this review, we summarize issues on using LC-MS/MS to achieve good analyses for the food safety and discuss how to address it. The topic especially focuses on matrix effects...
  3. ncbi Comprehensive analysis of flavonols in Ginkgo biloba products by ultra-high-performance liquid chromatography coupled with ultra-violet detection and time-of-flight mass spectrometry
    Yasuhiro Kakigi
    Research Laboratories for Food Safety Chemistry, Asahi Group Holdings, Ltd, Moriya, Ibaraki, Japan
    Biosci Biotechnol Biochem 76:1003-7. 2012
    ..On the other hand, some food products contained high percentages of biflavones or an aglycone...
  4. ncbi Investigation of biologically active components in ginkgo leaf products on the Japanese market
    Yasuhiro Kakigi
    Department of Functional Food Components Analysis, Research Laboratories for Food Safety Chemistry, Asahi Breweries, Ltd, Japan
    Biosci Biotechnol Biochem 75:777-9. 2011
    ..Additionally, we examined the correlations between the total amount of flavonol glycosides and of terpene lactones in various ginkgo leaf products...
  5. ncbi Fate of mycotoxins during beer brewing and fermentation
    Tomonori Inoue
    Research Laboratories for Food Safety Chemistry, Asahi Group Holdings Ltd, Moriya, Ibaraki 302 0106, Japan
    Biosci Biotechnol Biochem 77:1410-5. 2013
    ..The risk of carry-over to beer was therefore reduced for half of the mycotoxins studied. However, attention still needs to be paid to the risk of trichothecene contamination. ..
  6. pmc Degradation of aflatoxin B1 during the fermentation of alcoholic beverages
    Tomonori Inoue
    Research Laboratory for Food Safety Chemistry, Asahi Group Holdings, Ltd, 1 21, Midori 1 chome, Moriya shi, Ibaraki 302 0106, Japan
    Toxins (Basel) 5:1219-29. 2013
    ..Thus, the results showed that the risk of AFB1 carryover was still present for both types of beer fermentation but was reduced in the case of wine fermentation because of hydration. ..
  7. ncbi The fate of mycotoxins during the distillation process of barley shochu, a distilled alcoholic beverage
    Yasushi Nagatomi
    Research Laboratories for Food Safety Chemistry, Asahi Group Holdings, Ltd, Moriya, Ibaraki, Japan
    Biosci Biotechnol Biochem 76:202-4. 2012
    ..None of these were detected in the distillates. The distillation process can effectively reduce the contamination risk posed by mycotoxins in distilled alcoholic beverages...
  8. pmc A method for multiple mycotoxin analysis in wines by solid phase extraction and multifunctional cartridge purification, and ultra-high-performance liquid chromatography coupled to tandem mass spectrometry
    Masayoshi Tamura
    Research Laboratories for Food Safety Chemistry, Asahi Group Holdings, Ltd, 1 21, Midori 1, Moriya, Ibaraki 302 0106, Japan
    Toxins (Basel) 4:476-86. 2012
    ..These results suggest that the health risk posed to consumers from the wines available in Japan is relatively low...
  9. ncbi Development of a multi-mycotoxin analysis in beer-based drinks by a modified QuEChERS method and ultra-high-performance liquid chromatography coupled with tandem mass spectrometry
    Masayoshi Tamura
    Research Laboratories for Food Safety Chemistry, Asahi Breweries, Limited, 1 1 21 Midori, Moriya, Ibaraki 302 0106, Japan
    Anal Sci 27:629-35. 2011
    ..These results suggest that the health risk to consumers from beer-based drinks in Japan is relatively low...
  10. doi Fate of pesticides during beer brewing
    Tomonori Inoue
    Department of Safety Evaluation, Research Laboratories for Food Safety Chemistry, Asahi Breweries, Ltd, Moriya shi, Ibaraki, Japan
    J Agric Food Chem 59:3857-68. 2011
    ..After the entire process of brewing, the risks of contaminating beer with pesticides were reduced remarkably, and only a few pesticides remained without being removed or resolved...
  11. ncbi Determination of a yellow rice toxin, luteoskyrin, in rice by using liquid chromatography-tandem mass spectrometry with electrospray ionization
    Kohei Mizutani
    Analytical Technology Laboratory, Asahi Breweries, Ltd, 1 1 21 Midori, Moriya shi, Ibaraki 302 0106, Japan
    J Food Prot 72:1321-6. 2009
    ..The average recovery of LUT in spiked rice at 0.5 and 10 ng/g was 80.7 and 85.2%, respectively. The method developed in this study should be applicable to survey LUT in rice, with high sensitivity, selectivity, and rapidity...
  12. pmc Metabolism of zearalenone in the course of beer fermentation
    Kohei Mizutani
    Asahi Breweries, Ltd, Analytical Technology Laboratory, 1 1 21, Midori, Moriya, Ibaraki, Japan
    Toxins (Basel) 3:134-41. 2011
    ..In the fermented sample, 85.9% of ZON was converted to β-ZOL, which has lower estrogenic activity than that of ZON. These findings indicate that the health risk to humans due to ZON in beer is reduced during the fermentation process...
  13. ncbi Fate of pesticides in a distilled spirit of barley shochu during the distillation process
    Tomonori Inoue
    Research Laboratories for Food Safety Chemistry, Asahi Breweries Ltd, Moriya, Ibaraki, Japan
    Biosci Biotechnol Biochem 74:2518-22. 2010
    ..Of the analyzed pesticides (249 compounds), 89% were not detected in the distillate, showing that the distillation process minimized the risk of pesticide contamination...
  14. ncbi Determination of ochratoxin A in wine by immunoaffinity cleanup and liquid chromatography tandem mass spectrometry
    Shigekuni Noba
    Analytical Technology Laboratory, Asahi Breweries, Ltd, 1 21 Midori 1 Chome, Moriya shi, Ibaraki, Japan
    J Food Prot 71:1038-42. 2008
    ..However, all samples analyzed in this study complied with European Union regulations. It is concluded that this method is a useful tool for the quality assurance of wine...
  15. doi Determination of ochratoxin a in ready-to-drink coffee by immunoaffinity cleanup and liquid chromatography-tandem mass spectrometry
    Shigekuni Noba
    Research Laboratories for Food Safety Chemistry, Asahi Breweries, Limited, Moriya shi, Ibaraki 302 0106, Japan
    J Agric Food Chem 57:6036-40. 2009
    ..OTA was detected in all of the samples at concentrations ranging from trace levels (0.0020-0.010 ng/mL) to 0.037 ng/mL. This method was shown to be useful for accurately evaluating the intake of OTA from coffee beverages...
  16. ncbi [Analysis of chloramphenicol in propolis extract by LC/MS/MS]
    Naoki Mochizuki
    Asahi Breweries, Ltd, Ibaraki 3020106, Japan
    Shokuhin Eiseigaku Zasshi 49:399-402. 2008
    ..15 ng/g, respectively, and the recovery rate (spiked CAP level was 0.5 ng/g) was 111.2%. When eight samples of propolis extract products on the market were analyzed using this method, CAP was not detected (N.D.) in any of the samples...
  17. ncbi [Analysis of trichothecenes in barley tea and beer by liquid chromatography/tandem mass spectrometry]
    Keiko Suga
    Asahi Breweries, Ltd, Ibaraki, Japan
    Shokuhin Eiseigaku Zasshi 45:307-12. 2004
    ..5-115.2% (barley tea) and 68.1-127.5% (beer). Five barley tea and ten beer samples were analyzed by this method. Trichothecenes were not detected in them. This method may have applications in quality assurance...
  18. doi Structural and conformational analysis of hydroxycyclochlorotine and cyclochlorotine, chlorinated cyclic peptides from Penicillium islandicum
    Kohei Mizutani
    Asahi Breweries, Ltd, Moriya, Ibaraki, Japan
    J Nat Prod 71:1297-300. 2008
    ..The presence of an intramolecular hydrogen bond between Ser (3)-NH and a hydroxyl oxygen atom of alloThr (2) may serve to maintain the backbone conformation with a cis proline amide bond...
  19. ncbi Analysis of terpene lactones in a Ginkgo leaf extract by high-performance liquid chromatography using charged aerosol detection
    Yasuhiro Kakigi
    Department of Functional Food Components Analysis, Research Laboratories for Food Safety Chemistry, Asahi Breweries Ltd, Moriya, Ibaraki, Japan
    Biosci Biotechnol Biochem 74:590-4. 2010
    ..The results suggest that some health food products contained approximately equivalent amounts of terpene lactones to those in the medical product and that the proportion of terpene lactones varied in each health product...
  20. ncbi [Analysis of fumonisin B1 and B2 in beer and raw materials of beer by liquid chromatography/tandem mass spectrometry]
    Keiko Suga
    Asahi Breweries, Ltd, 1 1 21 Midori, Moriya shi, Ibaraki 302 0106, Japan
    Shokuhin Eiseigaku Zasshi 45:255-8. 2004
    ..Recoveries of spiked FB1 and FB2 from malt, cornstarch, and corn grit, at the level of 50 microg/kg, were 87.9% and 86.4%, 89.5% and 87.9%, 86.6% and 81.1%, respectively. This method may have applications in quality assurance...