Brown rice syrup
Brown rice (malt) syrup, also known as rice syrup or rice malt, is a sweetener derived by culturing cooked rice with enzymes (usually from dried barley sprouts) to break down the starches, then straining off the liquid and reducing it by cooking until the desired consistency is reached. The final product is 45% maltose, 3% glucose, and 52% maltotriose.
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Rice syrup has a shelf life of about a year, and once opened, should be stored in a cool, dry place.
Brown rice syrup is the sweetener found in some drinks, such as rice milk.
Brown rice syrup is produced commercially by cooking brown rice flour or brown rice starch with enzymes. The final carbohydrate mix can be adjusted, depending upon the desired sweetness and application. The syrup is filtered, and excess water is evaporated to thicken it. The product is produced on a commercial scale by several companies in the United States, Europe, and Asia.
Brown rice syrup (BRS) has a glycemic index (GI) of 98 which is higher than table sugar (65) and only slightly less than glucose (100), the sugar used as the baseline to measure other foods against.
Human Nutrition Unit, School of Molecular Bioscience, University of Sydney.