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antioxidant, bamboo shoot, functional

Fusheng Zhang, ChunXia Ran, Jiong Zheng, Yongbo Ding, Guangjing Chen
Chimonobambusa quadrangularis polysaccharides (CPS) were extracted by ultrasonic-assisted extraction from bamboo shoots (C. quadrangularis) processing by-products. Three polysaccharide fractions, CPS70, CPS75 and CPS80, were obtained by precipitation at final ethanol concentrations of 70%, 75% and 80%, respectively. The physicochemical characterization and chemical antioxidant activities of the three polysaccharide fractions were compared on the basis of HPLC, FT-IR, XRD, TGA, and antioxidant measurements in vitro...
February 6, 2018: International Journal of Biological Macromolecules
Guangjing Chen, Fan Bu, Xuhui Chen, Changfeng Li, Shasha Wang, Jianquan Kan
In this study, a novel polysaccharide (PCPs) was obtained from bamboo shoots (Chimonobambusa quadrangularis) processing by-products through the ultrasonic-assisted extraction (UAE) and Sephadex G-100 size-exclusion chromatography purification. First, by using Box-Behnken design (BBD) to optimize the parameters for extracting the crude PCPs with UAE, the maximum yield of crude PCPs (was 8.76%) was obtained under the optimal extraction conditions as follows: ratio of water to raw material 20.2 mL/g, extraction temperature 49 °C, ultrasonic power 240 W, and extraction time 40 min...
February 3, 2018: International Journal of Biological Macromolecules
Akinobu Tanaka, Qinchang Zhu, Hui Tan, Hiroki Horiba, Koichiro Ohnuki, Yasuhiro Mori, Ryoko Yamauchi, Hiroya Ishikawa, Akira Iwamoto, Hiroharu Kawahara, Kuniyoshi Shimizu
Besides being a useful building material, bamboo also is a potential source of bioactive substances. Although some studies have been performed to examine its use in terms of the biological activity, only certain parts of bamboo, especially the leaves or shoots, have been studied. Comprehensive and comparative studies among different parts of bamboo would contribute to a better understanding and application of this knowledge. In this study, the biological activities of ethanol and water extracts from the leaves, branches, outer culm, inner culm, knots, rhizomes and roots of Phyllostachys pubescens, the major species of bamboo in Japan, were comparatively evaluated...
2014: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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