BPA is a common chemical, also known as 4,4’-dihydroxy-2,2-diphenylpropane. It is mainly used in combination with other chemicals in the manufacture of plastics and resins.
BPA is used in the production of polycarbonate, a high-performance transparent, rigid plastic. Polycarbonate is used to make food containers, such as some beverage bottles, infant feeding (baby) bottles, tableware (plates and mugs) and storage containers.
BPA can migrate in small amounts into food and beverages stored in materials containing the substance. As it is such a common chemical that has been in use for several decades, it can be found in small quantities in the urine of most adults.
How may BPA affect you?
The science is not yet completely clear on how BPA may affect humans. BPA may mimic hormones and interfere with the endocrine system of glands, which release hormones around the body. Some scientists think that if it interferes with sex hormones, this could affect puberty or the menopause or cause cancers that are related to hormones. Those calling for a ban suggest that it may be a factor in a rising numbers of human illnesses, such as breast cancer, heart disease and genital birth defects. There is a growing call to stop manufacturing plastics with BPA and using BPA in food containers as there are less hazardous alternatives.
Peel and cut the carrots into ½-inch rounds. On a rimmed baking sheet, toss the carrots with 2 tablespoons of the olive oil and sprinkle generously with salt. Set an oven rack 6 to 8 inches from the heat source and turn on the broiler. Broil the carrots until they brown and soften, turning them over with a spatula every 5 minutes or so; this should take 15 to 20 minutes.
Meanwhile, bring the stock to a boil, add the ginger and the sprig of thyme and simmer gently for 15 minutes.
Put the onion in a medium stock pot with the remaining olive oil. Brown the onion over medium heat, stirring frequently. Add the garlic, and then add the carrots.
Remove the ginger and thyme from the stock and add the stock to the pot with the onions and carrots. Bring to boil and simmer for 5 to 10 minutes, until the carrots are soft enough to puree.
Use an immersion or a standard blender to puree the mixture until smooth. If the soup seems too thick, add more stock or water and reheat gently. Add salt and pepper to taste. To serve, garnish with chopped fresh thyme.
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