Preparation of Pineapple Pulp Cellulose Hydrogel and Its Adsorption and Release Characteristics toward Probiotics

doi:10.7506/spkx1002-6630-20191120-239

Abstract

Abstract: Pineapple pulp cellulose hydrogel (PPCH) was prepared by dissolving pineapple pulp cellulose (PPC) in the ionic liquid 1-butyl-3-methylimidazole chloride?(BmimCl), and pH-sensitive hydrogel (PPCH-AA) was prepared from PPC using acrylic acid (AA) as a cross-linker in BmimCl. Their structures and functional properties were characterized and compared with each other. The sustained release behavior of the prepared hydrogels loaded with probiotics in simulated gastric fluid and simulated intestinal fluid was studied. The results showed that the swelling and drug release behavior of the hydrogels were pH-sensitive. The cumulative release of PPCH and PPCH-AA in simulated gastric fluid was 44.11 and 16.7 mg/g in 7 h with release rates of 66.17% and 25.05%, respectively. The cumulative release in simulated intestinal fluid was 59.25 and 58.01 mg/g in 7 h with release rates of 88.87% and 87.02%, respectively. In?conclusion, PPCH-AA?can be used as?a potential delivery?system?for?controlled?release?of?probiotics.

Key words: pineapple pulp cellulose; hydrogel; pH sensitive; sustained release

CLC Number:

TS209

XING Yunyi, HUANG Huihua. Preparation of Pineapple Pulp Cellulose Hydrogel and Its Adsorption and Release Characteristics toward Probiotics[J]. FOOD SCIENCE, 2021, 42(1): 8-14.

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Preparation of Pineapple Pulp Cellulose Hydrogel and Its Adsorption and Release Characteristics toward Probiotics

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