[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR172.210]
[Page 39-40]
TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN
SERVICES (CONTINUED)
PART 172_FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN
CONSUMPTION--Table of Contents
Subpart C_Coatings, Films and Related Substances
Sec. 172.210 Coatings on fresh citrus fruit.
Coatings may be applied to fresh citrus fruit for protection of the
fruit in accordance with the following conditions:
(a) The coating is applied in the minimum amount required to
accomplish the intended effect.
(b) The coating may be formulated from the following components,
each used in the minimum quantity required to accomplish the intended
effect:
(1) Substances generally recognized as safe for the purpose or
previously sanctioned for the purpose.
(2) One or more of the following:
------------------------------------------------------------------------
Component Limitations
------------------------------------------------------------------------
Fatty acids.................... Complying with Sec. 172.860.
Oleic acid derived from tall Complying with Sec. 172.862.
oil fatty acids.
Partially hydrogenated rosin... Catalytically hydrogenated to a maximum
refractive index of 1.5012 at 100
[deg]C. Color of WG or paler.
[[Page 40]]
Pentaerythritol ester of maleic Acid number of 134-145; drop-softening
anhydride-modified wood rosin. point of 127 [deg]C-173 [deg]C;
saponification number of less than
280; and a color of M or paler.
Do............................ Acid number of 176-186; drop-softening
point of 110 [deg]C-118 [deg]C;
saponification number of less than
280; and a color of M or paler.
Polyethylene glycol............ Complying with Sec. 172.820. As a
defoamer and dispersing adjuvant.
Polyhydric alcohol diesters of Complying with Sec. 178.3770 of this
oxidatively refined chapter and having a dropping point of
(Gersthofen process) montan 77 to 83 [deg]C (170.6 to 181.4
wax acids. [deg]F), as determined by ASTM Method
D566-76 (Reapproved 1982), ``Standard
Test Method for Dropping Point of
Lubricating Grease,'' which is
incorporated by reference (Copies are
available from the American Society
for Testing and Materials, 100 Barr
Harbor Dr., West Conshohocken,
Philadelphia, PA 19428-2959, or at the
National Archives and Records
Administration (NARA). For information
on the availability of this material
at NARA, call 202-741-6030, or go to:
http://www.archives.gov/federal--
register/code--of--federal--
regulations/ibr--locations.html.)
using as a solvent xylene-ethyl
alcohol in a 2:1 ratio instead of
toluene-ethyl alcohol in a 2:1 ratio.
Sodium lauryl sulfate.......... Complying with Sec. 172.822. As a
film former.
Wood rosin..................... Color of K or paler.
------------------------------------------------------------------------
(3) In lieu of the components listed in paragraph (b) (2) and (4) of
this section, the following copolymer and one or more of the listed
adjuvants.
------------------------------------------------------------------------
Component Limitations
------------------------------------------------------------------------
Vinyl chloride-vinylidene As an aqueous dispersion containing a
chloride copolymer. minimum of 75 percent water when
applied.
Polyethylene glycol............ Complying with Sec. 172.820. As a
defoamer and dispersing adjuvant.
Polyvinylpyrrolidone........... As an adjuvant.
Potassium persulfate........... Do.
Propylene glycol alginate...... Do.
Sodium decylbenzenesulfonate... Do.
------------------------------------------------------------------------
(4) In lieu of the components listed in paragraph (b) (2) and (3) of
this section, the following rosin derivative and either or both of the
listed adjuvants:
------------------------------------------------------------------------
Component Limitations
------------------------------------------------------------------------
Calcium salt of partially Having a maximum drop-softening point
dimerized rosin. of 197 [deg]C and a color of H or
paler. It is prepared by reaction with
not more than 7 parts hydrated lime
per 100 parts of partially dimerized
rosin. The partially dimerized rosin
is rosin that has been dimerized by
sulfuric acid catalyst to a drop-
softening point of 95 [deg]C to 105
[deg]C and a color of WG or paler.
Petroleum naphtha.............. As adjuvant. Complying with Sec.
172.250.
Sperm oil...................... As adjuvant.
------------------------------------------------------------------------
[42 FR 14491, Mar. 15, 1977; 49 FR 5747, Feb. 15, 1984, as amended at 51
FR 2693, Jan. 21, 1986; 52 FR 18911, May 20, 1987; 61 FR 14245, Apr. 1,
1996]
Additives that reference this regulation: - DECANOIC ACID
- FATTY ACIDS
- LAURIC ACID
- MONTAN WAX FATTY ACIDS, OXIDATIVELY REFINED, POLYHYDRIC ALCOHOL DIESTERS
- MYRISTIC ACID
- OCTANOIC ACID
- OLEIC ACID
- OLEIC ACID, FROM TALL OIL FATTY ACIDS
- PALMITIC ACID
- PETROLEUM NAPHTHA
- POLYETHYLENE GLYCOL (M W 200-9,500)
- POLYVINYLPYRROLIDONE
- POTASSIUM PERSULFATE
- PROPYLENE GLYCOL ALGINATE
- ROSIN, PARTIALLY DIMERIZED, CALCIUM SALT
- ROSIN, PARTIALLY HYDROGENATED
- ROSIN, WOOD
- ROSIN, WOOD, MALEIC ANHYD. MOD., PENTAERYTHRITOL ESTER, ACID #134-145
- ROSIN, WOOD, MALEIC ANHYD. MOD., PENTAERYTHRITOL ESTER, ACID #176-186
- SODIUM DECYLBENZENESULFONATE
- SODIUM LAURYL SULFATE
- SPERM OIL
- STEARIC ACID
- VINYL CHLORIDE-VINYLIDENE CHLORIDE COPOLYMER
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