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The Effects of Apple Pectin Intake on Decreasing Internal Radioactive Cesium Levels: A Single-armed Pilot Study

[ Vol. 17 , Issue. 1 ]

Author(s):

Tetsu Kinoshita*, Masaharu Tsubokura*, Hisashi Katsuragi , Akira Okamoto, Youichi Seki, Makiko Miyashita, Takeshi Tanigawa, Tomoyoshi Oikawa and Yukio Kanazawa   Pages 49 - 55 ( 7 )

Abstract:


Background: Since 2011, Minamisoma Municipal General Hospital, which is located 23 km north of the Fukushima Daiichi nuclear plant, acquired a whole-body counter (WBC) and began measuring the internal contamination levels of local residents.

Objective: To examine whether or not the intake of apple pectin decreases the level of radioactive Cesium (Cs) in the body.

Methods: Eighteen participants (sixteen males and two females aged 44–81 years), in whom more than a total of 20 Bq/kg of radioactive Cs-137 and Cs-134 were detected using the WBC, were screened. We measured internal radioactive Cs levels in the participants and compared the change in Cs levels between the observation and intervention periods with the intake of apple pectin. Initially, the participants received dietary education to avoid increasing levels of radioactive Cs through daily food consumption. After four weeks, the participants in whom more than 10 Bq/kg of radioactive Cs had been detected were instructed to eat a jelly with 3 grams of apple pectin, daily, for a period of four weeks.

Results: Although the decrease in the radioactive Cs level in participants during the apple pectin intake period exceeded the decrease during the observation period (-9.6% and -11.7%, respectively), no significant difference in the decrease was observed between the two periods.

Conclusion: This pilot study did not reveal any significant effects of apple pectin. This result may have been caused by low internal contamination levels of the participants and the distribution of food free from radioactive contamination in Fukushima.

Keywords:

Apple pectin, whole-body counter, internal contamination, radioactive cesium, dietary education, daily food consumption.

Affiliation:

Department of Basic Nursing and Health Science, Ehime University Graduate School of Medicine, Toon, Department of Radiation Protection, Minamisoma Municipal General Hospital, Minamisoma, Fukushima, Non-Profit Organization Human Center 21, Tokyo, Non-Profit Organization Human Center 21, Tokyo, Non-Profit Organization Human Center 21, Tokyo, Non-Profit Organization Human Center 21, Tokyo, Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Department of Radiation Protection, Minamisoma Municipal General Hospital, Minamisoma, Fukushima, Department of Radiation Protection, Minamisoma Municipal General Hospital, Minamisoma, Fukushima

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