Thursday, August 1, 2013
Coloring Dairy Foods…The Fine Print
But seriously, CSPI issued this press release a week after the closing of the 2013 Institute of Food Technologists (IFT) Annual Meeting + Food Expo, where a whopping 97 ingredient suppliers were listed in the directory under the “Colors, Natural” category. But as we all know, not all natural colors are equal.
(In case you missed my review of innovative ingredient technologies for dairy product formulators, which includes a section on the fact that “natural colors were the buzz” at IFT, you can view it HERE.
Understanding Natural Colors
(If you need a refresher course on food color additive regulations in the States, scroll to the bottom of this blog for “Food Colors 101.”)
In general, artificial colorings are manufactured from petroleum-based raw materials. Colors exempt from certification, commonly referred to as natural colors, are obtained from a variety of sources, including plants, minerals, insects and fermentation, resources considered by many to be natural.
It is this generalization that has some color suppliers creating a point of differentiation by touting the fact that their natural colors are derived solely from food, and most often, directly from fruits and vegetables. This is because carmine--a dye extracted from the dried, pulverized bodies of cochineal insects—is an exempt-from-certification color and continues to be controversial in terms of its naturalness.
CSPI’s Latest Beef with Carmine
CSPI’s recent press release is urging global yogurt giant Dannon to choose berries over bugs, that is, in terms of a colorant for a number of its yogurt products. Dannon uses carmine to give several varieties of fruit-flavored yogurt their pink color. The nonprofit food watchdog group says that Dannon’s practice cheats consumers who might expect that the named fruits—and not the unnamed creepy crawlies—are providing the color. Carmine also puts some consumers at risk of serious allergic reactions if they don’t read the ingredient statement carefully.
With all due respect to my fellow food scientists at Dannon, I am sure use of carmine is under careful consideration. After all, Dannon does use only natural colorings, such as purple carrot juice, in its Danimals line of yogurts marketed to children.
The food police are relentless. The chief of police, Michael Jacobson, CSPI executive director, said in the press release, “I have nothing against people who eat insects, but when I buy strawberry yogurt I’m expecting yogurt and strawberries, and not red dye made from bugs.”
CSPI is sponsoring an online petition urging Franck Riboud, CEO of Dannon’s parent company Groupe Danone, to replace carmine with more of the fruit advertised on the label. The petition can be viewed HERE.
CSPI originally took interest in carmine a number of years ago because of the fact that some consumers experience serious allergic reactions when they consume this exempt-from-certification colorant. In response to a CSPI petition on this issue, the FDA now requires carmine to be listed on food labels when it is used. Read more HERE.
Read FDA’s final rule HERE.
Previously companies could obscure the presence of the insect extract by labeling it “artificial color.” CSPI had urged FDA to go further and describe carmine as “insect-derived,” making it easier for vegetarians, those who keep kosher, or anyone otherwise averse to eating such ingredients to avoid it.
The food police are reading the fine print, so are many consumers. With at least 97 ingredient suppliers marketing natural colors, consider choosing berries over bugs whenever possible.
Here are two new products that rely only on colors derived from fruits and vegetables.
Wallaby Organic Lowfat Kefir comes in four different flavors: Blueberry, Strawberry, Vanilla and a traditional Plain. It comes in family-friendly, multi-serve 32-ounce plastic bottles with a suggested retail price of $4.29. The ingredient statement of the strawberry variety reads: Organic Cultured Pasteurized Lowfat Milk, Organic Strawberries, Organic Cane Sugar, Natural Flavors, Organic Locust Bean Gum, Pectin, Fruit and Vegetable Juice for Color.
New Kemps Greek Yogurt comes in four varieties--Black Cherry, Raspberry, Strawberry and Vanilla—and is sold in 5.3-ounce cups. The ingredient statement of the Black Cherry and Strawberry varieties indicates that vegetable juice concentrate is used for color. The Raspberry variety gets enough color from the use of high-quality raspberries and raspberry puree.
Food Colors 101
The term color additive is legally defined in Title 21, Part 70 of the Code of Federal Regulations (21 CFR 70). Basically, any ingredient with the sole purpose of adding color to a food or beverage is a color additive, with all color additives requiring approval by FDA as a food additive.
In the U.S., synthetic food colors are classified by FDA as color additives subject to certification (21 CFR 74). They are certified with an FD&C number. This indicates that the additive has been tested for safety and is approved for used in foods, drugs and cosmetics, or FD&C. Seven colors were initially approved under the Pure Food and Drug Act of 1906. Over time, several have been delisted and replaced. Today there are still seven, which can be combined into an infinite number of colors; hence, the seven are considered primary colors.
The seven synthetics are further classified as standardized dyes or lakes. Dyes are a concentrated source of color and are water soluble and oil insoluble. Lakes, on the other hand, are made by combining dyes with salts to make them water-insoluble compounds. Thus, they are best described as providing color by dispersion. Lakes are considered to be more stable than dyes and are ideal for coloring products that either contain fat or lack sufficient moisture to dissolve dyes.
FDA also provides a list of color additives that are exempt from certification (21 CFR 73). By default, these colors are often characterized as natural but FDA does not consider any color added to as food unless the color is natural to the product itself. For example, consumers expect strawberry milk to have a red hue. If strawberry juice is added for color, and providing that none of the other ingredients in the milk were characterized as artificial, this product could be labeled “all-natural strawberry milk.” Such a description is not possible if beet juice, an FDA-recognized exempt-from-certification color additive, is used for a colorful boost. What is appropriate to say is “does not contain any artificial colors.”
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