WALNUT INSHELL agmark

Grade Designation

Grade requirements

Grade tolerances

Extra Class

Walnuts in shell shall be of superior quality. They must have the characteristic of a variety and/or commercial type. They must be uniform in size, colour and development. They must be free of defects with the exception of very slight superficial defects provided these do not affect the general appearance of the produce, the quality, the keeping quality and presentation in the package.

The walnuts in shell shall be of current year crop only.

(a)    Tolerance of 10% by number or weight of defects of the shell.

(b)      Tolerance of 10% by number or weight of defects of edible part of which rotten or damaged by insects not to exceed 3% and mould walnuts not to exceed 3%.

For fresh walnuts, the tolerance for defects of the Kernel shall not be more than 8%.

Class I

Walnuts in this class must be of good quality. They must have the characteristics of the variety and/ or commercial type or of a mixture of varieties. They must be uniform in size, colour and development. They may have following defects provided these do not affect the general appearance of the produce, the quality, the keeping quality and presentation in the package.-

Defects of shell i.e. staining, discoloration not exceeding 5% of the total surface area of the shell;

–          Defects of shell i.e. staining, discoloration not exceeding 5% of the total surface area of the shell;

–          Adhering dirt, not exceeding 2% of the shell surface.

The walnuts in shell shall be of current year crop only.

(a)Tolerance of 15 %by number or weight of defects of the shell.

(b) Tolerance of 12% by number or weight of defects of edible part of which rotten or damaged by insects not to exceed 6% and mould walnuts not to exceed 4%.

For fresh walnuts, the tolerance for defects of the kernel shall not be more than 12%.

Class II

This grade includes Walnuts in shells which do not qualify for inclusion in Extra class and Class I, but satisfy the minimum requirements. They shall be uniform in colour, size and development. They may have following defects, provided the walnuts retain their essential characteristics as regards the

general appearance, quality, the keeping quality

(a)    Tolerance of 20% by number or weight of defects of the shell.

(b)      Tolerance of 15% by number or weight of defects of edible part

of which rotten or damaged by

and presentation in the package;

-Defects of shell i.e. staining, discoloration not exceeding 10% of the total surface area of the shell.

-Adhering dirt, not exceeding 5% of the shell surface.

–   Decaying of kernel not exceeding 4% of the total surface area.

–   Visible damage of the kernel not exceeding 5 % of the total surface.

insects not to exceed 8% and mould walnuts not to exceed 6%.

For fresh walnuts, the tolerance for defects of the kernel shall not be more than 15%.