Downstream processing and structural confirmation of pullulan - A comprehensive review

被引：11

作者：

Singh, Ram Sarup ^{[1
]}

Kaur, Navpreet ^{[1
]}

Singh, Dhandeep ^{[2
]}

Bajaj, Bijender K. ^{[3
]}

Kennedy, John F. ^{[4
]}

机构：

[1] Punjabi Univ, Dept Biotechnol, Carbohydrates & Prot Biotechnol Lab, Patiala 147002, Punjab, India

[2] Punjabi Univ, Dept Pharmaceut Sci, Patiala 147002, Punjab, India

[3] Univ Jammu, Sch Biotechnol, Jammu 180006, India

[4] Chembiotech Labs Ltd, Tenbury Wells WR15 8SG, England

来源：

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2022年 / 208卷

关键词：

Pullulan; Downstream processing; Organic solvents; Aqueous phase system; MOLECULAR-WEIGHT PULLULAN; NUCLEAR-MAGNETIC-RESONANCE; SOLID-STATE FERMENTATION; COLOR VARIANT STRAIN; STIRRED-TANK REACTOR; ASIAN PALM KERNEL; AUREOBASIDIUM-PULLULANS; STATISTICAL OPTIMIZATION; ACETATE NANOPARTICLES; ANTIOXIDANT ACTIVITY;

D O I：

10.1016/j.ijbiomac.2022.03.163

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Pullulan is a microbial polymer, commercially produced from Aureobasidium pullulans. Downstream processing of pullulan involves a multi-stage process which should be efficient, safe and reproducible. In liquid-liquid separations, firstly cell free extract is separated. Cell biomass can be separated after fermentation either by centrifugation or filtration. Due to practically insolubility of pullulan in organic solvents, ethanol and isopropanol are the most commonly used organic solvents for its recovery. Pullulan can also be purified by chromatographic techniques, but these are not cost effective for the purification of pullulan. Efficient aqueous two-phase system can be used for the purification of pullulan. The current review describes the methods and perspectives used for solid-liquid separation, liquid-liquid separations and finishing steps for the recovery of pullulan. Techniques used to determine the structural attributes of pullulan have also been highlighted.

引用

页码：553 / 564

页数：12

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