Effects of Kaki (Persimmon) Extract-containing Diet on Levels of Volatile Sulfur Compounds in Oral Gas and Feces, as well as on Subjective Fecal Odor, in Healthy Adults
10.1625/jcam.11.41
- VernacularTitle:健常成人における柿抽出物含有食品の口腔ガス中および糞便中の揮発性硫黄化合物の濃度ならびに自覚的糞便臭に対する効果
- Author:
Naobumi HAMADATE
;
Kayoko SETO
;
Tetsuro YAMAMOTO
;
Hideyo YAMAGUCHI
;
Etsushi YAMAMOTO
;
Uguri KAMIYA
;
Kazunaga YAZAWA
- Publication Type:Journal Article
- Keywords:
Persimmon extract;
Persimmon tannin;
Volatile sulfur compound;
Oral malodor (Halitosis);
Fecal odor
- From:Japanese Journal of Complementary and Alternative Medicine
2014;11(1):41-47
- CountryJapan
- Language:Japanese
-
Abstract:
Objectives: To examine in two tests the potential of kaki (persimmon) extract-containing diet (KE diet) to reduce malodorous volatile sulfur compounds (VSC), such as hydrogen sulfide (H2S), methyl mercaptan (CH3SH) and dimethyl sulfide (CH3SCH3), as well as on subjective fecal odor on healthy adults.
Methods: In the first test, 11 subjects were given garlic-containing soup. For a period of time, they were given a single dose of KE diet (150 mg as kaki extract) with water, and only water for the rest of the study period. Two hours after the administration, oral gas samples were collected from individual subjects and analyzed for VSC. In the second test, 14 subjects were given a single dose of KE diet for 7 days. Fecal samples were collected from individual subjects before and after the 7-day KE diet intervention. Levels of VSC were determined and the magnitude of subjective fecal odor was estimated based on ratings in the self-administered questionnaire.
Results: Levels of CH3SCH3 in oral gas were significantly lowered when subjects were on a KE diet. On the other hand, although decreases in the level of any VSC in feces before and after the 7-day KE diet intake did not reach a statistical significance, subjective fecal odor significantly improved by the KE diet intake.
Conclusion: KE diet appears to have a beneficial effect on VSC-associated oral malodor and subjective fecal odor.
