Characterization and evaluation of Bletilla striata polysaccharide/ethanol extract composite multifunctional sponges

Development of a fully functional dressing that can be applied throughout wound healing remains challenging. In this study, Bletilla striata polysaccharide (BSP) and the ethanol extract of B. striata (EEB) were physically blended and vacuum freeze-dried into a new medical dressing with various funct...

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Main Authors: Wen Cheng, Fangmei Zhou, Bingqi Zhu, Xinghong Ding, Jingjing Lu, Chaodong Qian, Xiaoqing Ye, Zhishan Ding
Format: Article
Language:English
Published: Elsevier 2021-08-01
Series:Materials & Design
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0264127521003592
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author Wen Cheng
Fangmei Zhou
Bingqi Zhu
Xinghong Ding
Jingjing Lu
Chaodong Qian
Xiaoqing Ye
Zhishan Ding
author_facet Wen Cheng
Fangmei Zhou
Bingqi Zhu
Xinghong Ding
Jingjing Lu
Chaodong Qian
Xiaoqing Ye
Zhishan Ding
author_sort Wen Cheng
collection DOAJ
description Development of a fully functional dressing that can be applied throughout wound healing remains challenging. In this study, Bletilla striata polysaccharide (BSP) and the ethanol extract of B. striata (EEB) were physically blended and vacuum freeze-dried into a new medical dressing with various functions, such as hemostasis, anti-inflammatory, antibacterial and wound healing promotion. The in vivo and in vitro blood coagulation evaluation results showed that the most obvious hemostasis effects coming from the EEB25 sponge was probably due to good water absorption capacity. The drug sensitivity test results showed that the sponges presented a good antibacterial effect originated from the addition of EEB. In addition, the EEB25 sponge showed significant anti-inflammatory effects, as well as excellent biodegradability and biocompatibility. The full-thickness wound experiment illustrated the wound healing rates of EEB25 group on the 8th day and 16th day was 82.76 ± 2.78% and 95.36 ± 3.72%, respectively, which showed significant differences (p < 0.05) in comparison to the model group. Histological observations showed that the EEB25 group formed dense collagen fibers, granulation tissue and numerous new blood vessels on the 16th day, with the skin basically cured. Therefore, BSP/EEB multifunctional composite sponge provided a new perspective for the safe application of wound dressings.
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spelling doaj.art-d7518fbea4904c708cf9873eccb771482022-12-21T18:41:13ZengElsevierMaterials & Design0264-12752021-08-01206109806Characterization and evaluation of Bletilla striata polysaccharide/ethanol extract composite multifunctional spongesWen Cheng0Fangmei Zhou1Bingqi Zhu2Xinghong Ding3Jingjing Lu4Chaodong Qian5Xiaoqing Ye6Zhishan Ding7College of Life Sciences, Zhejiang Chinese Medical University, No.548, Binjiang District, Hangzhou 310053, Zhejiang, People’s Republic of ChinaCollege of Medical Technology, Zhejiang Chinese Medical University, No.548, Binjiang District, Hangzhou 310053, Zhejiang, People’s Republic of ChinaCollege of Medical Technology, Zhejiang Chinese Medical University, No.548, Binjiang District, Hangzhou 310053, Zhejiang, People’s Republic of ChinaCollege of Basic Medical Science, Zhejiang Chinese Medical University, No.548, Binjiang District, Hangzhou 310053, Zhejiang, People’s Republic of ChinaCollege of Life Sciences, Zhejiang Chinese Medical University, No.548, Binjiang District, Hangzhou 310053, Zhejiang, People’s Republic of ChinaCollege of Life Sciences, Zhejiang Chinese Medical University, No.548, Binjiang District, Hangzhou 310053, Zhejiang, People’s Republic of ChinaCollege of Medical Technology, Zhejiang Chinese Medical University, No.548, Binjiang District, Hangzhou 310053, Zhejiang, People’s Republic of ChinaCollege of Medical Technology, Zhejiang Chinese Medical University, No.548, Binjiang District, Hangzhou 310053, Zhejiang, People’s Republic of China; Corresponding author.Development of a fully functional dressing that can be applied throughout wound healing remains challenging. In this study, Bletilla striata polysaccharide (BSP) and the ethanol extract of B. striata (EEB) were physically blended and vacuum freeze-dried into a new medical dressing with various functions, such as hemostasis, anti-inflammatory, antibacterial and wound healing promotion. The in vivo and in vitro blood coagulation evaluation results showed that the most obvious hemostasis effects coming from the EEB25 sponge was probably due to good water absorption capacity. The drug sensitivity test results showed that the sponges presented a good antibacterial effect originated from the addition of EEB. In addition, the EEB25 sponge showed significant anti-inflammatory effects, as well as excellent biodegradability and biocompatibility. The full-thickness wound experiment illustrated the wound healing rates of EEB25 group on the 8th day and 16th day was 82.76 ± 2.78% and 95.36 ± 3.72%, respectively, which showed significant differences (p < 0.05) in comparison to the model group. Histological observations showed that the EEB25 group formed dense collagen fibers, granulation tissue and numerous new blood vessels on the 16th day, with the skin basically cured. Therefore, BSP/EEB multifunctional composite sponge provided a new perspective for the safe application of wound dressings.http://www.sciencedirect.com/science/article/pii/S0264127521003592Bletilla striata polysaccharideEthanol extract substanceHemostasisAnti-inflammatoryAntibacterialWound dressing
spellingShingle Wen Cheng
Fangmei Zhou
Bingqi Zhu
Xinghong Ding
Jingjing Lu
Chaodong Qian
Xiaoqing Ye
Zhishan Ding
Characterization and evaluation of Bletilla striata polysaccharide/ethanol extract composite multifunctional sponges
Materials & Design
Bletilla striata polysaccharide
Ethanol extract substance
Hemostasis
Anti-inflammatory
Antibacterial
Wound dressing
title Characterization and evaluation of Bletilla striata polysaccharide/ethanol extract composite multifunctional sponges
title_full Characterization and evaluation of Bletilla striata polysaccharide/ethanol extract composite multifunctional sponges
title_fullStr Characterization and evaluation of Bletilla striata polysaccharide/ethanol extract composite multifunctional sponges
title_full_unstemmed Characterization and evaluation of Bletilla striata polysaccharide/ethanol extract composite multifunctional sponges
title_short Characterization and evaluation of Bletilla striata polysaccharide/ethanol extract composite multifunctional sponges
title_sort characterization and evaluation of bletilla striata polysaccharide ethanol extract composite multifunctional sponges
topic Bletilla striata polysaccharide
Ethanol extract substance
Hemostasis
Anti-inflammatory
Antibacterial
Wound dressing
url http://www.sciencedirect.com/science/article/pii/S0264127521003592
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