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author:

Wu, Jiulin (Wu, Jiulin.) [1] (Scholars:伍久林) | Sun, Xinyu (Sun, Xinyu.) [2] | Guo, Xiaoban (Guo, Xiaoban.) [3] | Ji, Mingyu (Ji, Mingyu.) [4] | Wang, Jianhua (Wang, Jianhua.) [5] (Scholars:王建华) | Cheng, Cui (Cheng, Cui.) [6] (Scholars:程翠) | Chen, Li (Chen, Li.) [7] (Scholars:陈立) | Wen, Cuilian (Wen, Cuilian.) [8] (Scholars:温翠莲) | Zhang, Qiqing (Zhang, Qiqing.) [9]

Indexed by:

EI Scopus SCIE

Abstract:

The antioxidant activity of gelatin film is poor. Curcumin is a natural antioxidant, but its main disadvantage is low aqueous solubility. In this study, curcumin was encapsulated by beta-cyclodextrin to prepare beta CD/CUR complex. Gelatin films incorporated with beta CD/CUR complexes (GL-beta CD-CUR films) were fabricated. The effects of curcumin content on their properties were investigated. Results showed that the water solubility of curcumin was improved in beta CD/CUR complex. The beta CD/CUR complex containing 2.5 mg curcumin had smaller size and more homogeneous distribution. The thicknesses of all films were about 87 mu m and there were no significant differences (p > 0.05). The optimal tensile strength (TS) and elongation at break (EAB) of GL-beta CD-CUR films were observed at the curcumin content of 2.5 mg. With the increase of curcumin concentration, water vapor permeability (WVP) of gelatin-based films decreased from 2.88 to 2.38 x 10(-10) g m(-1) Pa-1 s(-1) and water content (WC) decreased from 34.64 to 24.72%, but water solubility (WS) increased from 21.22 to 59.75%. GL-beta CD-CUR films exhibited lower light transmission in UV light compared with GL-beta CD film. SEM provided that there was a good compatibility between gelatin molecules and beta CD/CUR complexes. FTIR proved that no functional groups appeared or disappeared. A significant increase in antioxidant activity and the stability of this activity along with a lower release rate of curcumin in food simulant were observed in gelatin films incorporated with beta CD/CUR complexes. The heat sealing property of GL-beta CD-CUR films containing 1 or 2.5 mg curcumin was better than that of film containing 5 mg curcumin. The L values of red Fuji (Malus pumila mill) apple juice packed by GL-beta CD-CUR films reduced slowly. The slowest decline in total polyphenol content was found in GL-beta CD-2.5CUR group. Our results indicated that the incorporation of beta CD/CUR complex significantly enhanced the antioxidant activity of gelatin film, and the GL-beta CD-CUR film can be used in apple juice preservation.

Keyword:

Antioxidant activity Apple juice preservation Curcumin GL-beta CD-CUR films In vitro release

Community:

  • [ 1 ] [Wu, Jiulin]Fuzhou Univ, Inst Biomed & Pharmaceut Technol, Fuzhou 350002, Peoples R China
  • [ 2 ] [Sun, Xinyu]Fuzhou Univ, Inst Biomed & Pharmaceut Technol, Fuzhou 350002, Peoples R China
  • [ 3 ] [Guo, Xiaoban]Fuzhou Univ, Inst Biomed & Pharmaceut Technol, Fuzhou 350002, Peoples R China
  • [ 4 ] [Ji, Mingyu]Fuzhou Univ, Inst Biomed & Pharmaceut Technol, Fuzhou 350002, Peoples R China
  • [ 5 ] [Wang, Jianhua]Fuzhou Univ, Inst Biomed & Pharmaceut Technol, Fuzhou 350002, Peoples R China
  • [ 6 ] [Cheng, Cui]Fuzhou Univ, Inst Biomed & Pharmaceut Technol, Fuzhou 350002, Peoples R China
  • [ 7 ] [Chen, Li]Fuzhou Univ, Inst Biomed & Pharmaceut Technol, Fuzhou 350002, Peoples R China
  • [ 8 ] [Zhang, Qiqing]Fuzhou Univ, Inst Biomed & Pharmaceut Technol, Fuzhou 350002, Peoples R China
  • [ 9 ] [Wen, Cuilian]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350002, Peoples R China

Reprint 's Address:

  • 伍久林 张其清

    [Wu, Jiulin]Fuzhou Univ, Inst Biomed & Pharmaceut Technol, Fuzhou 350002, Peoples R China;;[Zhang, Qiqing]Fuzhou Univ, Inst Biomed & Pharmaceut Technol, Fuzhou 350002, Peoples R China

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Source :

FOOD AND BIOPROCESS TECHNOLOGY

ISSN: 1935-5130

Year: 2018

Issue: 2

Volume: 11

Page: 447-461

3 . 0 3 2

JCR@2018

5 . 3 0 0

JCR@2023

ESI Discipline: AGRICULTURAL SCIENCES;

ESI HC Threshold:147

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 95

SCOPUS Cited Count: 94

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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