Abundant proteins associated with lecithin in soy protein isolate

Samoto, Mashahiko; Maebuchi, Motohiro; Miyazaki, Chiaki; Kugitani, Hirofumi; Kohno, M.; Hirotsuka, Motohiko; Kito, Makoto

doi:10.1016/j.foodchem.2006.05.054

Cited by 122 publications

(69 citation statements)

References 9 publications

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“…The effectiveness of the daily intake of 5 gconglycinin, as described above, may support the FDA recommendation for the consumption of 25 g SPI a day, in which 5 g -conglycinin is included 18) . Therefore, -conglycinin might be an important food component for the prevention and/or amelioration of visceral fat syndrome, so-called metabolic syndrome.…”

Section: Discussionmentioning

confidence: 76%

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Decreases in Serum Triacylglycerol and Visceral Fat Mediated by Dietary Soybean .BETA.-conglycinin

Kohno

Hirotsuka

Kito

et al. 2006

JAT

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129

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Soy protein isolate (SPI) is known to reduce the risk of heart disease by lowering serum cholesterol and triacylglycerol (TG) levels. Soybean -conglycinin, which is a component of SPI, might be the active ingredient that prevents and/or ameliorates lifestyle-related diseases, such as hyperlipidemia and obesity. This study aimed to determine the efficacy of soybean -conglycinin for lowering the human serum TG level and visceral fat. Randomized double-blind placebo-controlled designs were used to test the effect of dietary -conglycinin, which was taken in the form of candy.

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Section: Discussionmentioning

confidence: 76%

“…The US Food and Drug Administration (FDA) has approved for food labeling the health claim that the consumption of 25 g soy protein isolate per day, including 5 g -conglycinin 18) , reduces the risk of heart diseases 1) Hence, subjects who eat 5 g -conglycinin a day appear safe.…”

Section: Discussionmentioning

confidence: 99%

Decreases in Serum Triacylglycerol and Visceral Fat Mediated by Dietary Soybean .BETA.-conglycinin

Kohno

Hirotsuka

Kito

et al. 2006

JAT

Self Cite

129

112

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“…4) Soybean protein is primarily composed of glycinin (11S globulin), lipophilic proteins, and β-conglycinin (7S globulin). 5) It has been reported that consumption of β-conglycinin results in significantly decreased blood TAG levels in rodents and humans. [6][7][8] Since some studies have shown that β-conglycinin feeding suppresses the activities of enzymes related to fatty acid synthesis and increases the activity of carnitine palmitoyltransferase (CPT) in the liver of rodents, 7,9) it has been suggested that suppression of fatty acid synthesis and stimulation of β-oxidation in the liver could be the cause for the reduction in serum TAG concentration.…”

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confidence: 99%

Soybean β-conglycinin improves carbohydrate and lipid metabolism in Wistar rats

Inoue

Fujiwara

Kato

et al. 2015

Bioscience, Biotechnology, and Biochemistry

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The effects of dietary soybean β-conglycinin on lipid metabolism and energy consumption were studied in Wistar adult rats. Rats were fed, a diet containing casein (control group) or β-conglycinin (β-conglycinin group), for 4 weeks. Carbohydrate consumption was higher and fat consumption was lower in the β-conglycinin group than in the control group, whereas the total energy consumption was the same between the two groups. Serum adiponectin was higher in the β-conglycinin group than in the control group. Serum triacylglycerol levels in the β-conglycinin group were significantly lower than those in the control group. The secretion rate of triacylglycerols from the liver after the administration of tyloxapol, an inhibitor of lipolysis, was significantly lower in the β-conglycinin group than in the control group. These results suggest the possibility that β-conglycinin exerts hypolipidemic effects through an acceleration in carbohydrate consumption associated with an increase in adiponectin in rats.

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“…14) Recently, Samoto et al found that 11S globulin (glycinin), lipophilic protein (LP), and 7S globulin (-conglycinin) are the major protein components of SPI. 15) They reported that the ratio of -conglycinin in SPI is 23%. Previous experiments indicated a new physiological function of -conglycinin: consumption of -conglycinin results in a significant decrease in blood triglyceride (TG) concentration in rodents and humans.…”

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confidence: 99%