期刊
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
卷 19, 期 8, 页码 800-805出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jfca.2006.04.007
关键词
Cordyceps sinensis; Hirsulella sinensis; submerged culture; mycelia; composition; content; mushrooms; fungi; correct anamorphic isolate of C. sinensis
The compositions of natural fruiting bodies of Cordyceps sinensis (NFCS), mycelia from submerged culture (MSMC) and shake culture (MSKC) of RCEF0273, a strain of Hirsittella sinensis, anamorph of C. sinensis, were compared to evaluate the potentiality of MSMC. The contents of crude fat, crude protein, total and essential amino acids were in the following descending order: MSKC > MSMC > NFCS, respectively. Unsaturated fatty acids of MSMC accounted for 65.9% of total fatty acids, obviously lower than those of NFCS (86.9%) and MSKC (76.5%). Both As and Hg were lower than 0.20 mu g/g in all samples tested. The contents of Ca, Se and Cu were higher in MSMC than in NFCS, while the contents of Fe, Zn and Sri, were lower in MSMC than in NFCS. Vitamin B-6 was not detected in MSMC but in NFCS, while vitamin 131 was not found in NFCS but in freeze-dried MSMC. Niacin content of NFCS was 1.6 times more than that of MSMC. The total content of four nucleosides (adenosine, guanosine, uridnine and inosine) in MSMC (6.20 mg/g) was significantly higher than those of NFCS (1.80 mg/g) and MSKC (1.60 mg/g). The above results suggest that MSMC can probably be used as a substitute for NFCS. (c) 2006 Elsevier Inc. All rights reserved.
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