免费在线观看的黄色 I 欧美精品久久久久久久免费软件 I 午夜视频在线观看吗 I 2021av视频 I av综合网男人的天堂 I 夜夜噜噜噜 I 337p亚洲欧洲色噜噜噜 I 在线观看日韩精品 I 精品无码av人在线观看 I 国产明星女精品视频网站 I 狠狠躁夜夜躁人蜜臀av I 91无毒不卡 I 5x社区未满十八在线视频 I 91福利网winktv韩宝贝 I 国产97视频 I 黄色激情a I a三级毛片 I 一级伦理已18 I 日本一极黄色片 I 国产精品a久久久久 I 熟妇人妻系列aⅴ无码专区友真希 I 精品综合久久久久久98 I 免费观看黄色一级大片 I 人日b视频 I 在线观看免费日本 I 欧美日韩亚洲国产另类 I 五月婷婷一级片 I 欧美福利一区 I 毛片大全在线播放 I 人人妻人人做人人爽精品 I 91精品国产99 I 午夜在线成人av I 国产精品亚洲片在线播放 I 九色国产蝌蚪视频 I 久久全球大尺度高清视频

Contact Us

Shandong Wei Kang Biotechnology Pharmaceutical Co., Ltd.
Sales Hotline:
Wang Yichuan 18012166770
E-mail:sales_chitosan@163.com
Address:Linyi City, Shandong Province High-tech Zone Avenue and Hubei Road intersection Wellcome Biotechnology Park

BBS

Chitosan, chitosan used in what areas?

Date:2015-05-18 Writer:Weikang Source:www.hznzyy.cn

Chitosan, chitosan oligosaccharide commercial products has spread all over the various fields, mainly related to the functional food and medical supplies (artificial skin, artificial ligament, artificial blood vessel, surgical sutures), th...

Eat shrimp, crab, squid, and other insects can do oligochito

Date:2015-05-18 Writer:Weikang Source:www.hznzyy.cn

Can, but the quantity is very little. Because in the natural state, the properties of chitin is very stable and very large molecular weight (more than 100 million), are not able to be absorbed. In normal circumstances and are not easy to...

Why shell oligosaccharide is animal fiber

Date:2015-05-18 Writer:Weikang Source:www.hznzyy.cn

Very similar to that widely exists in the chitosan oligosaccharide chemical structure and plant cellulose, it is by containing amino sugar molecules linked to the, and it is extracted from the shells or skeletons of special marine organism...

Why is a shell oligosaccharide longevity factors

Date:2015-05-18 Writer:Weikang Source:www.hznzyy.cn

Study found that life of crustacean disease resistance greatly exceeded the vertebrate animals, containing chitin insects, squid, bacteria, turtle shell, shrimps and crabs and other animals, can in extremely harsh conditions for survival a...