slamabad, Oct 22 (Newswire): Soybeans may drop off the list of musical fruit. Scientists in Singapore are reporting victory over some consumers' No. 1 complaint about soy products — the "flatulence factor" caused by indigestible sugars found in soy.
Scientists have now developed a method for significantly reducing the amount of flatulence-causing carbohydrates in soy yogurt while raising the levels of healthy antioxidants known as isoflavones.
In the study, Dejian Huang and colleagues note that soy yogurt has a global market share of only 1.9 percent, even though it has a number of health advantages over dairy-based yogurt. That's partly because of the flatulence-causing compounds in soy.
"It would be desirable to remove the flatulence-causing raffinose and stachyose from the soy yogurt to improve consumers' preferences. The objective of this study was to develop a new soy yogurt enriched with isoflavones with reduced levels of flatulence-causing oligosaccharides," the scientists said.
The researchers grew soybeans in the presence of a fungus that produced enzymes capable of degrading the undesired sugars.
"We have demonstrated for the first time that germinated black soybeans under fungal stress can be fermented into a soy yogurt which features a low amount of flatulence-causing oligosaccharides but with a significant level of isoflavones," says Huang.
Scientists have now developed a method for significantly reducing the amount of flatulence-causing carbohydrates in soy yogurt while raising the levels of healthy antioxidants known as isoflavones.
In the study, Dejian Huang and colleagues note that soy yogurt has a global market share of only 1.9 percent, even though it has a number of health advantages over dairy-based yogurt. That's partly because of the flatulence-causing compounds in soy.
"It would be desirable to remove the flatulence-causing raffinose and stachyose from the soy yogurt to improve consumers' preferences. The objective of this study was to develop a new soy yogurt enriched with isoflavones with reduced levels of flatulence-causing oligosaccharides," the scientists said.
The researchers grew soybeans in the presence of a fungus that produced enzymes capable of degrading the undesired sugars.
"We have demonstrated for the first time that germinated black soybeans under fungal stress can be fermented into a soy yogurt which features a low amount of flatulence-causing oligosaccharides but with a significant level of isoflavones," says Huang.
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