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2 119 497

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Application

97104626/04, 1997-03-25

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Actual filing date

1997-03-25

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Published

1998-09-27

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Inventor

Konovalov A.I.Ofitserov E.N.Sosnina N.A.Shekurov V.N.Tsepaeva O.V.Lapin A.A.Minzanova S.T.Berezhnoj A.N.Mutriskov A.Ja.

(73)

Holder

Institut Organicheskoj I Fizicheskoj Khimii Im.A.E.Arbuzova Kazanskogo Nauchnogo Tsentra RanNauchno-Proizvodstvennoe Predprijatie

METHOD OF PECTIN PREPARING Russian patent published in 1998 - IPC

Abstract RU 2119497 C1

FIELD: food and medicinal industry. SUBSTANCE: raw (above ground of amaranth herb) before loading in extractor is soaked in oxalic acid an aqueous solution at pH 4.5-4.7 at ratio = 1:(1-3) (by volume) and kept at the room temperature for 2 h. Then process is carried out by continuous countercurrent extraction with 0.25-0.5% oxalic acid solution at hydromodulus = 1: (13-18) and at continuous reciprocal motion of extractant in extractor at frequency 1-20 cycles/min at 45-55 C and specific flow rate 0.25-0.7 -1 h.. Time of raw extraction in extractor is 1-4 h followed by separation and concentration of extract by ultrafiltration through hollow-fiber membrane filter at pore diameter 10-100 kDa under pressure 0.08-0.12 MPa. EFFECT: improved method of preparing, increased extraction degree, broadened assortment of pectins. 1 tbl, 3 ex

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RU 2 119 497 C1

Authors

Konovalov A.I.

Ofitserov E.N.

Sosnina N.A.

Shekurov V.N.

Tsepaeva O.V.

Lapin A.A.

Minzanova S.T.

Berezhnoj A.N.

Mutriskov A.Ja.

Dates

1998-09-27—Published

1997-03-25—Filed

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