Colony Structure and Nutritional Composition Analysis of Cultivated Nostoc commune Vauch.

doi:10.7506/spkx1002-6300-201003005

FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (3): 22-25.doi: 10.7506/spkx1002-6300-201003005

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Colony Structure and Nutritional Composition Analysis of Cultivated Nostoc commune Vauch.

YAN Chun-lan1,2，DENG Zhong-yang1，HU Zheng-yu1,*

1. Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China；2. College of Life Sciences, South-Central University for Nationalities, Wuhan 430074, China

Received:2009-04-07 Online:2010-02-01 Published:2010-12-29
Contact: HU Zheng-yu E-mail:yancl77@yahoo.com.cn

Abstract

Abstract:

Cultivated Nostoc commune Vauch. was used as the raw material to determine its biochemical composition and structure. Results indicated that surface trichomes of cultivated N. commune exhibited more tight arrangement than that of the interiors. Meanwhile, some trichomes in the interior were enveloped by sheath. Cultivated N. commune contained 17.46% protein that was composed of 16 kinds of amino acids and 0.53% fatty acid. Compared to wild N. commune, lower fatty acid and vitamin contents were determined in cultivated N. commune, which, however, was rich in mineral elements and exhibited contents of heavy metals such as As, Pb, Hg and Cd that were much lower than the maximum threshold stipulated in the Chinese national food hygiene standards.

Key words: cultivation, Nostoc commune Vauch., nutrition, analysis, structure

CLC Number:

YAN Chun-lan1,2，DENG Zhong-yang1，HU Zheng-yu1,*. Colony Structure and Nutritional Composition Analysis of Cultivated Nostoc commune Vauch.[J]. FOOD SCIENCE, 2010, 31(3): 22-25.

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Colony Structure and Nutritional Composition Analysis of Cultivated Nostoc commune Vauch.

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