RU97114709A - METHOD FOR ISOLATING LACTOFERRIN FROM FEMALE MILK - Google Patents

METHOD FOR ISOLATING LACTOFERRIN FROM FEMALE MILK

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Publication number
RU97114709A
RU97114709A RU97114709/14A RU97114709A RU97114709A RU 97114709 A RU97114709 A RU 97114709A RU 97114709/14 A RU97114709/14 A RU 97114709/14A RU 97114709 A RU97114709 A RU 97114709A RU 97114709 A RU97114709 A RU 97114709A
Authority
RU
Russia
Prior art keywords
fractionation
ammonium sulfate
precipitate
isolating lactoferrin
female milk
Prior art date
Application number
RU97114709/14A
Other languages
Russian (ru)
Inventor
П.П. Лактионов
Н.А. Шевчук
Е.Ю. Рыкова
В.В. Власов
Original Assignee
Новосибирский институт биоорганической химии СО РАН
Filing date
Publication date
Application filed by Новосибирский институт биоорганической химии СО РАН filed Critical Новосибирский институт биоорганической химии СО РАН
Publication of RU97114709A publication Critical patent/RU97114709A/en

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Claims (1)

Способ выделения лактоферрина из женского молока, включающий обезжиривание, удаление казеинов, фракционирование сульфатом аммония, диализ и лиофилизацию целевого продукта, отличающийся тем, что фракционирование ведут ступенчато: сначала добавляют сульфат аммония до концентрации 35-45% от насыщения, осадок удаляют, затем к супернатанту добавляют сульфат аммония до концентрации 70-80% от насыщения; а перед диализом осадок от фракционирования растворяют в дистиллированной воде, инкубируют с 1,1-3,7М хлоридом натрия при рН 3,6-4,4 и удаляют образующийся осадок при помощи фильтрования.A method for isolating lactoferrin from breast milk, including degreasing, removing caseins, fractionation of ammonium sulfate, dialysis and lyophilization of the target product, characterized in that fractionation is carried out in steps: first, ammonium sulfate is added to a concentration of 35-45% of saturation, the precipitate is removed, then to the supernatant add ammonium sulfate to a concentration of 70-80% of saturation; and before dialysis the precipitate from fractionation is dissolved in distilled water, incubated with 1.1-3.7 M sodium chloride at pH 3.6-4.4, and the precipitate formed is removed by filtration.
RU97114709/14A 1997-09-02 METHOD FOR ISOLATING LACTOFERRIN FROM FEMALE MILK RU97114709A (en)

Publications (1)

Publication Number Publication Date
RU97114709A true RU97114709A (en) 1999-06-27

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