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more than 5 percent, by count, of the containers in any lot may have sirup below the requirements for the grade: Provided, That no part of this tolerance shall be allowed for defects causing "serious damage”: And provided further, That no tolerance is permitted for sirup that is darker in color than that which is required for the next lower grade.

§ 52.5967 Packing.

(a) Containers shall be clean and new in appearance. Tin containers shall not be rusty.

(b) In order to allow for variations incident to proper packing, not more than 5 percent, by count, of the containers in any lot may fail to meet these requirements.

EXPLANATION OF TERMS

§ 52.5968 Explanation of terms.

(a) "Cloudiness" means presence in suspension of fine particles of mineral matter, such as malate of lime, "niter," "sugar sand," or other substances that detract from the clearness of the sirup.

(b) "Clean" means that the sirup shall be practically free from foreign material such as pieces of bark, soot, dust, and dirt.

(c) "Damage” means any defect that materially affects the appearance or the edibility or shipping quality of the sirup.

(d) "Serious damage" means any defect that seriously affects the edibility or market value of the sirup. Badly scorched sirup, buddy sirup, fermented sirup or sirup that has any distasteful foreign flavor or disagreeable odor shall be considered as seriously damaged. Subpart-United States Standards for

Grades of Canned Succotash SOURCE: 52.6001 to 52.6009 appear at 32 F.R. 7580, May 24, 1967, unless otherwise noted.

PRODUCT DESCRIPTION, GRADES

§ 52.6001 Product description.

Canned succotash is composed of cream-style or whole-grain corn and lima beans or snap beans, with or without tomatoes; may be packed with the addition of water, with or without the addition of sugar or salt; and is sufficiently processed by heat to assure preservation of the product in hermetically sealed containers.

§ 52.6002 U.S. Grade A or U.S. Fancy. U.S. Grade A or U.S. Fancy canned succotash consists of cream-style or

whole-grain sweet corn and lima or snap beans, which meet the requirements of U.S. Grade A or U.S. Fancy, for the respective canned or frozen commodities. If tomatoes are an ingredient, they must meet the requirements of U.S. Grade A canned tomatoes for color and absence of defects.

§ 52.6003 U.S. Grade B or U.S. Extra Standard.

U.S. Grade B or U.S. Extra Standard canned succotash consists of cream-style or whole-grained sweet corn and lima or snap beans which meet the requirements of U.S. Grade B or U.S. Extra Standard for the respective canned or frozen commodities. If tomatoes are an ingredient, they must meet the requirements of U.S. Grade B canned tomatoes for color and absence of defects.

§ 52.6004 U.S. Grade C or U.S. Standard.

U.S. Grade C or U.S. Standard canned succotash consists of cream-style or whole-grain sweet corn and lima or snap beans which meet the requirements of U.S. Grade C or U.S. Standard for the respective canned or frozen commodities. If tomatoes are an ingredient, they must meet the requirements of U.S. Grade C canned tomatoes for color and absence of defects.

§ 52.6005 Grade D or Substandard.

Grade D or Substandard canned succotash is succotash that fails to meet the requirements of U.S. Grade C or U.S. Standard.

PROPORTION OF INGREDIENTS

§ 52.6006 Proportion of ingredients.

(a) Federal certificates of grade shall indicate the approximate percentage of ingredients found upon examination. If whole-grain style corn is an ingredient, the percentage of ingredients shall be based on drained weight; otherwise, the percentage of ingredients shall be based on net weight.

(b) The following mixtures of vegetables in canned succotash shall conform with the proportions indicated in Table No. I:

Cream-style corn and snap beans.

Cream-style corn and lima beans (fresh or frozen).

Cream-style corn and lima beans (dry, "soaked").

Cream-style corn, snap beans, and to

matoes.

Cream-style corn, lima beans (fresh or frozen), and tomatoes.

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FILL OF CONTAINER, DRAINED WEIGHT

METHOD

§ 52.6007 Recommended fill of container.

The container shall be filled with succotash as full as practicable without impairment of quality. The product and packing medium shall occupy not less than 90 percent of the total volume capacity of the container.

§ 52.6008 Method for ascertaining drained weight.

Drained weights of canned succotash containing whole-grain corn are determined by emptying the contents of the container upon a circular sieve of proper diameter, containing eight meshes to the inch (0.097-inch perforations) and allowing to drain for 2 minutes. A sieve 8 inches in diameter is used for No. 22 cans and smaller, and a sieve 12 inches in diameter is used for No. 10 cans.

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Specifications for each grade of refiners' sirup are as follows:

(a) U.S. Fancy or U.S. Grade A Refiners' Sirup consists of refiners' sirup which possesses a flavor characteristic of refiners' sirup of fancy quality; which contains no sediment; which is free of foreign matter; which has a Brix solids content of not less than 72 percent when corrected to 20° C. (68° F.); which has a ratio of total sugars (sucrose plus reducing sugars) to Brix solids of not less than 92 percent; which has a ratio of sulfated ash to Brix solids of not more than 3.0 percent; and which possesses a color no darker than RS Color Standard No. 1.

(b) U.S. Choice or U.S. Grade B Refiners' Sirup consists of refiners' sirup which possesses a flavor characteristic of refiners' sirup of choice quality; which contains no sediment; which is free of foreign matter; which has a Brix solids content of not less than 72 percent when corrected to 20° C. (68° F.); which has a ratio of total sugars (sucrose plus reducing sugars) to Brix solids of not less than 86 percent; which has a ratio of sulfated ash to Brix solids of not more than 6 percent; and which possesses a color no darker than RS Color Standard No. 2.

(c) U.S. Extra Standard or U.S. Grade C Refiners' Sirup consists of refiners'

sirup which possess a flavor characteristic of refiners' sirup of standard quality; which contains no excess of sediment; which is practically free of foreign matter; which has a Brix solids content of not less than 76 percent when corrected to 20° C. (68° F.); which has a ratio of total sugars (sucrose plus reducing sugars) to Brix solids of not less than 78 percent; which has a ratio of sulfated ash to Brix solids of not more than 10 percent; and which possesses a color no darker than RS Color Standard No. 3.

(d) U.S. Standard or U.S. Grade D Refiners' Sirup consists of refiners' sirup which possesses a flavor characteristic of refiners' sirup of standard quality; which contains no excess of sediment; which is practically free of foreign matter; which has a Brix solids content of not less than 76 percent when corrected to 20° C. (68° F.); which has a ratio of total sugars (sucrose plus reducing sugars) to Brix solids of not less than 70 percent; and which has a ratio of sulfated ash to Brix solids of not more than 14 percent.

(e) U.S. Substandard or U.S. Grade E Refiners' Sirup consists of refiners' sirup that fails to meet the specifications for U.S. Standard Refiners' Sirup.

(f) Table of specifications for grades. The specifications for the designated grades of refiners' sirup are set forth in summary form in Table I of this paragraph.

(g) Tolerances for certification of officially drawn samples. When certifying samples that have been officially drawn and which represent a specific lot of refiners' sirup, the grade for such lot will be determined by averaging the factors of all the samples representing the lot: Provided, That not more than 8 of such samples fail to meet the require

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ments of the grade specifications set forth in Table I: And further provided, That each of the samples which repre

Factors

sent a specific lot of refiners' sirup meet the limiting specifications set forth in Table II of this paragraph.

TABLE II-TABLE OF LIMITING SPECIFICATIONS FOR REFINERS' SIRUP

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DETERMINATION OF FACTORS

$ 52.6044 Quantitative determination of factors.

Quantitative determination of the respective factors other than color is made by the methods set forth in this section for the respective factors: "

(a) Brix solids. By Brix hydrometer, correcting to 20° C. (68° F.), using the double dilution method.

(b) Total sugars-(1) Sucrose. By the chemical method, using invertase as the inverting agent; the Lane-Eynon volumetric method for reducing sugars before and after inversion; or by Jackson-Gillis double polarization method number IV.

(2) Reducing sugar. By the LaneEynon volumetric method, or by the Munson-Walker gravimetric method.

(c) Sulfated ash. By the sulfation method, with no deduction.

52.6045 Preparation of basic solutions and RS color standards.

Chemicals of reagent grade, at room temperature, are used in the preparation of the solutions described in this section. (a) Preparation of basic solutions(1) Solution A. Dissolve 10 grams of CuCl, 2H,O in a sufficient quantity of 10

These methods are described in Official Methods of Analysis of the Association of Official Agricultural Chemists, Seventh Edition, 1950, except the Jackson-Gillis double polarization method number IV is described in Circular C440, Nat. Bur. Standards, May 1942, or in the Sugar Analysis, by Browne and Zerban, 3d Edition, 1948, John Wiley & Sons, Inc.

percent hydrochloric acid solution to make 100 milliliters.'

(2) Solution B. Dissolve 50 grams of CoCl2 6H2O in a sufficient quantity of 10 percent hydrochloric acid solution to make 500 milliliters.

(3) Solution C. Dissolve 50 grams of FeCl, 6H2O in a sufficient quantity of 10 percent hydrochloric acid solution to make 500 milliliters.

(4) RS stock solution. Mix 50 milliliters of Solution A and 485 milliliters of Solution B with 465 milliliters of Solution C.

(b) Preparation of RS color standards-(1) RS Color Standard No. 1. Dilute 10 milliliters of the RS stock solution to 100 milliliters with 10 percent hydrochloric acid solution.

(2) RS Color Standard No. 2. Dilute 18 milliliters of the RS stock solution to 100 milliliters with 10 percent hydrochloric acid solution.

(3) RS Color Standard No. 3. Dilute 50 milliliters of RS stock solution to 100 milliliters with 10 percent hydrochloric acid solution.

§ 52.6046 Use of RS color standards in determining color factor.

(a) Containers required. The containers needed to perform the visual color comparison test set forth in paragraph (c) of this section are:

(1) A container for a sample of refiners' sirup for which the color factor

8 Ten percent hydrochloric acid solution is prepared by diluting 242.6 milliliters of reagent grade hydrochloric acid to one liter.

is to be determined (such container hereinafter called "sample container"); and (2) Containers for the respective RS color standards.

(b) Description of containers. The sample container is made of colorless and transparent glass or plastic material and is of such shape and construction as to provide a flat 8-inch thickness of the sample to be viewed. The container for each RS color standard is a colorless and transparent 2-ounce French square water sample bottle having outside base dimensions of 18 inches by 16 inches.

(c) Visual comparison test. A sample of refiners' sirup is compared in the following manner with the RS color standards to determine whether the sample is darker than one or more of such color standards:

(1) Place each of the RS Color Standards Nos. 1, 2, and 3 in separate 2-ounce French square water sample bottles;

(2) Place a sample of the refiners' sirup in a sample container; and

(3) In order to determine whether the sample is darker than one or more of the RS color standards, visually compare the sample with each of the color standards by looking through them at a light-colored background in diffuse light. The sample is viewed through its 1⁄4-inch thickness; and each RS color standard is viewed at right angles to one of the sides of its container.

Subpart-United States Standards for Grades of Canned Leafy Greens SOURCE: $$ 52.6081 to 52.6094 appear at 83 F.R. 5741, Apr. 13, 1968, unless otherwise noted.

PRODUCT DESCRIPTION

§ 52.6081 Product description.

(a) "Canned Leafy Greens" (other than spinach), means the product properly prepared from the succulent leaves of any one of the plants listed under § 52.6082 "Types" and packed with the addition of water in hermetically sealed containers and sufficiently processed by heat to prevent spoilage. The products may be acidified and/or seasoned with one or more of the acidifying or seasoning ingredients and in a quantity permitted under the Federal Food, Drug, and Cosmetic Act.

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(a) "U.S. Grade A" (or "U.S. Fancy") is the quality of the product that has a good flavor and odor characteristic of the type and has an attractive appearance and eating quality within the limitations as specified in the subpart with respect to: (1) Color; (2) character; (3) damage; and (4) harmless extraneous material.

(b) "U.S. Grade B" (or "U.S. Extra Standard") is the quality of the product that has a good flavor and odor characteristic of the type and has a reasonably attractive appearance and eating quality within the limitations as specified in the subpart with respect to: (1) Color; (2) character; (3) damage; and (4) harmless extraneous material.

(c) "Substandard" is the quality of the product that fails to meet the requirements for "U.S. Grade B."

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