RU2320114C1 - Method for reserving of green peas grain - Google Patents

Abstract

FIELD: process for preparing of green peas grain for storage.

SUBSTANCE: method involves treating green peas with mixture of chitosan and arachidonate of alkali metal used in equal amounts; mowing; drying in windrows to residual moisture content of about 14 wt% and threshing green peas grain.

EFFECT: reduced grain wastes during further processing of green peas grain.

Description

The invention relates to a technology for preparing for storage of green pea grain.

There is a method of reserving green pea grain, which includes mowing, threshing tops and water cooling (Pavlova G.N. Change in the quality of green peas during ripening, transportation and storage and improving the technology of its conservation. Abstract of dissertation, candidate of technical science - Odessa: OTIPP 1979, p.13-17).

The disadvantage of this method is the ability to store the reserved grain for no more than 7 days.

There is a method of reserving green pea grain, involving mowing, threshing tops and freezing (Technology for the production of canned food "Green peas" (instructions). - M .: Agropromizdat, 1989, p.3-7).

This method provides the possibility of unlimited storage of reserved grain, but has a high energy intensity associated with the need for temperature control of the grain during storage, and during the subsequent processing, the amount of grain waste increases.

Closest to the proposed one is a method of reserving green pea grain, which involves mowing, threshing tops and convective drying (A.F.Namestnikov, Research on the technology of drying green peas in convection dryers. Abstract of dissertation, candidate of technical science - M .: MTIPP, 1953 , p. 7-12).

This method provides the possibility of unlimited storage of reserved grain and has a twice reduced energy intensity compared to the previous one, but maintains high grain losses during its subsequent processing.

The technical result of the invention is a further reduction in energy intensity, as well as a reduction in the amount of waste during subsequent processing of the reserved grain.

This result is achieved by the fact that in the method of reserving green peas, which involves mowing, threshing the tops and drying, according to the invention, 5-8 hours before mowing the peas are treated with a mixture of equal amounts of chitosan and alkali metal arachidonate at a flow rate of 0.5-10 mg / ha, drying is carried out together with the tops in the rolls, and threshing is carried out after reaching a residual moisture content of grain of about 14% by weight.

The method is implemented as follows.

When peas reach the canning maturity stage 5-8 hours before mowing, they are treated with a mixture of equal amounts of chitosan and an alkali metal arachidonate at a rate of 0.5-10 mg / ha, which is traditional for pesticides with such an active substance (Kulnev A.I., Sokolova EA Multipurpose stimulants of protective reactions, growth and development of plants. Textbook for university students. - Pushchino: ONTI PNC RAS, 1997. - 100 pp .; Tyuterev SL Scientific principles of the use of chemical activators of disease resistance in plant protection against pathogens. Av abstract of the dissertation of the Doctor of Biological Sciences - St. Petersburg - Pushchino: VIZR, 1999. - 52 p.), mowed and left in the rolls in a field for atmospheric drying. Drying is carried out until the residual moisture content of the chamois is about 14% by weight, as provided for in the normative documentation for dried green pea grain.

Traditionally, pea mowing is carried out using reapers with a working width of up to 1.5 m. In this case, the roll height is 0.3-0.5 m, and the required residual moisture content of the grain is reached after 3-12 days, depending on weather conditions.

Then the tops are threshed by traditional methods, and the resulting grain, if necessary, is separated from mechanical impurities and Packed in kraft bags for storage.

As can be seen from the description of the proposed technology, its implementation does not require artificial supply of energy in the process of drying the grain, which determines a reduction in energy intensity in comparison with the closest analogues.

The grain reserved according to the proposed method and the closest analogue, after being restored with drinking water at room temperature, was processed into canned "Green Peas" according to the traditional technology (Production technology of canned food "Green Peas" (instructions). - M .: Agropromizdat, 1969. - 21 s.). The amount of waste for grain reserved by the proposed method and the closest analogue was 8 and 16%, respectively

Thus, the proposed method has a reduced energy intensity and can reduce the amount of waste during subsequent processing of the reserved grain.

Claims (1)

A method of reserving green peas, including mowing, threshing tops and drying, characterized in that 5-8 hours before mowing peas are treated with a mixture of equal amounts of chitosan and alkali metal arachidonate at a flow rate of 0.5-10 mg / ha, drying is carried out together with tops in rolls, and threshing is carried out after reaching a residual moisture content of grain of about 14% by weight.