Animal Models for Evaluation of Preference for Foods and Beverages

Fushiki, Toru

doi:10.4327/jsnfs.56.247

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“…Because humans have preferences derived from food experiences and food culture, they are less strongly dominated by physiological needs than animals. However, it is possible to scientifically clarify preferences because humans and animals have physiological similarities (Fushiki, 2003). We previously reported that rats have the ability to compensate for a deficiency of n-3 fatty acids (Sato et al, 2009), and similar results were obtained from this study.…”

Section: Discussionsupporting

confidence: 87%

Effect of Live Lactobacillus Paracasei NFRI 7415 on the Preference for a Lard Diet or Fish Oil Diet in Rats

Sato¹,

Komatsuzaki²

2018

FSNS

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This study examined the effect of live Lactobacillus paracasei NFRI 7415 on the preference of a lard diet (LD) and a fish-oil diet (FD) in rats. 4-week-old male Fischer 344 rats were fed one of four diets; LD, LD + lactic acid bacteria (LLD), FD and FD + lactic acid bacteria for 4 weeks (dietary experimental period). The LLD and FLD groups freely ingested water containing Lb. paracasei NFRI 7415 (107 cfu/ml). After 4 weeks, all rats were placed on a two-choice diet program in which they self-selected from two food cups, each containing either the LD or the FD for 5 weeks (self-selection period). After the dietary experimental period, there was no significant difference in the final body weight and total food intake among the four groups. The intake of fish-oil and live Lb. paracasei NFRI 7415 was increasing the fecal lipids excretion, and it effectively reduced plasma total cholesterol concentration (p<0.05). It was indicated that the intake of live Lb. paracasei NFRI 7415 was no influence on the preference for fat in the dietary experimental period and the self-selection period.

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Section: Discussionsupporting

confidence: 87%