21 CFR 173.340 - Defoaming agents.
Defoaming agents may be safely used in processing foods, in accordance with the following conditions:
(a) They consist of one or more of the following:
|Dimethylpolysiloxane (substantially free from hydrolyzable chloride and alkoxy groups; no more than 18 percent loss in weight after heating 4 hours at 200 °C; viscosity 300 to 1,050 centistokes at 25 °C; refractive index 1.400-1.404 at 25 °C)||10 parts per million in food, or at such level in a concentrated food that when prepared as directed on the labels, the food in its ready-for-consumption state will have not more than 10 parts per million except as follows: Zero in milk; 110 parts per million in dry gelatin dessert mixes labeled for use whereby no more than 16 parts per million is present in the ready-to-serve dessert; 250 parts per million in salt labeled for cooking purposes, whereby no more than 10 parts per million is present in the cooked food.|
|Formaldehyde||As a preservative in defoaming agents containing dimethylpolysiloxane, in an amount not exceeding 1.0 percent of the dimethylpolysiloxane content.|
||For use as prescribed in
|Polyacrylic acid, sodium salt||As a stabilizer and thickener in defoaming agents containing dimethylpolysiloxane in an amount reasonably required to accomplish the intended effect.|
|Polyethylene glycol||As defined in
|Polyoxyethylene 40 monostearate||As defined in U.S.P. XVI.|
|Polysorbate 60||As defined in
|Polysorbate 65||As defined in
|Propylene glycol alginate||As defined in
|Silicon dioxide||As defined in
|Sorbitan monostearate||As defined in
|White mineral oil: Conforming with
||As a component of defoaming agents for use in wash water for sliced potatoes at a level not to exceed 0.008 percent of the wash water.|
(3) Substances listed in this paragraph (a)(3), provided they are components of defoaming agents limited to use in processing beet sugar and yeast, and subject to any limitations imposed:
|Aluminum stearate||As defined in
|BHA||As an antioxidant, not to exceed 0.1 percent by weight of defoamer.|
|Calcium stearate||As defined in
|Fatty acids||As defined in
|Formaldehyde||As a preservative.|
|Hydroxylated lecithin||As defined in
|Magnesium stearate||As defined in
|Mineral oil: Conforming with
||Not more than 150 p.p.m. in yeast, measured as hydrocarbons.|
|Odorless light petroleum hydrocarbons: Conforming with
|Petrolatum: Conforming with
|Petroleum wax: Conforming with
|Petroleum wax, synthetic|
|Polyethylene glycol (400)dioleate: Conforming with
||As an emulsifier not to exceed 10 percent by weight of defoamer formulation.|
|Synthetic isoparaffinic petroleum hydrocarbons: Conforming with
|Oleic acid derived from tall oil fatty acids||Complying with
|Oxystearin||As defined in
|Polyoxyethylene (600) dioleate|
|Polyoxyethylene (600) monoricinoleate|
|Polypropylene glycol||Molecular weight range, 1,200-3,000.|
|Polysorbate 80||As defined in
|Potassium stearate||As defined in
|Propylene glycol mono- and diesters of fats and fatty acids||As defined in
|Soybean oil fatty acids, hydroxylated|
|Tallow, hydrogenated, oxidized or sulfated|
|Tallow alcohol, hydrogenated|
(4) The substances listed in this paragraph (a)(4), provided they are components of defoaming agents limited to use in processing beet sugar only, and subject to the limitations imposed:
||Viscosity range, 4,850-5,350 Saybolt Universal Seconds (SUS) at 37.8 °C (100 °F). The viscosity range is determined by the method “Viscosity Determination of
|Monoester of alpha-hydro-omega-hydroxy-poly(oxyethylene) poly(oxypropylene) poly(oxyethylene) (15 mole minimum) blocked copolymer derived from low erucic acid rapeseed oil|
(b) They are added in an amount not in excess of that reasonably required to inhibit foaming.
- 21 CFR 172.886 — Petroleum Wax.
- 21 CFR 172.884 — Odorless Light Petroleum Hydrocarbons.
- 21 CFR 146.185 — Pineapple Juice.
- 21 CFR 172.888 — Synthetic Petroleum Wax.
- 21 CFR 172.880 — Petrolatum.
- 21 CFR 172.878 — White Mineral Oil.
- 27 CFR 24.246 — Materials Authorized for the Treatment of Wine and Juice.