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Characterization of Humic Substances in the Soils of Ophiocordyceps sinensis Habitats in the Sejila Mountain, Tibet: Implication for the Food Source of Thitarodes Larvae
Li, Yan; Guo, Lian-Xian; Zhou, Qian-Zhi; Chen, Di3; Liu, Jin-Zhong; Xu, Xiao-Ming; Wang, Jiang-Hai
2019
Source PublicationMOLECULES
ISSN1420-3049
Volume24Issue:2Pages:246
AbstractHumic substances in soil are considered to be an alternative food to the tender plant roots for Thitarodes larvae in the habitats of Ophiocordyceps sinensis in the Qinghai-Tibetan Plateau. However, there is no report involving the evaluation of their potential as a food source from the composition and structure of habitat soils. In this work, the composition and structure of humic substances in habitat soils from the Sejila Mountain, Tibet were characterized by diverse techniques for evaluating the nutritional value and possibility of humus as the food source for Thitarodes larvae. Fourier transform infrared spectroscopy revealed that humic acid may possess superior ability to provide the molecular segments for biosynthesizing lipids more than other humic fractions. Combining with the analysis of solid-state C-13 nuclear magnetic resonance spectrum, the fractions of hydrophobic fulvic acid and hydrophilic fulvic acid are further considered as a potential food source for Thitarodes larvae. Overall, humic substances in habitat soils are rich in the molecular segments for biosynthesizing lipids and other important nutrients, which may provide the energy and material sources for maintaining the survival of Thitarodes larvae in the absence of tender plant roots, particularly in the annual cold winter. Combining with the evidence of physico-chemical parameters of habitat soils and stable carbon isotopic composition of major tender plant roots in the Sejila Mountain, the composition and structure of humic substances in habitat soils may provide a novel idea for the eco-friendly and semi-wild cultivation of Thitarodes larvae with low cost.
DepartmentOMG
Keywordhumic substance molecular structure nutritional evaluation lipid Thitarodes larva
DOI10.3390/molecules24020246
Citation statistics
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/17984
Collection中科院边缘海地质重点实验室
Affiliation1.Sun Yat Sen Univ, Sch Marine Sci, Guangdong Prov Key Lab Marine Resources & Coastal, Guangzhou 510006, Guangdong, Peoples R China
2.Southern Lab Ocean Sci & Engn Guangdong Zhuhai, Zhuhai 519000, Peoples R China
3.Guangdong Med Univ, Sch Publ Hlth, Dongguan Key Lab Environm Med, Dongguan 523808, Peoples R China
4.Chinese Acad Sci, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
5.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Li, Yan,Guo, Lian-Xian,Zhou, Qian-Zhi,et al. Characterization of Humic Substances in the Soils of Ophiocordyceps sinensis Habitats in the Sejila Mountain, Tibet: Implication for the Food Source of Thitarodes Larvae[J]. MOLECULES,2019,24(2):246.
APA Li, Yan.,Guo, Lian-Xian.,Zhou, Qian-Zhi.,Chen, Di.,Liu, Jin-Zhong.,...&Wang, Jiang-Hai.(2019).Characterization of Humic Substances in the Soils of Ophiocordyceps sinensis Habitats in the Sejila Mountain, Tibet: Implication for the Food Source of Thitarodes Larvae.MOLECULES,24(2),246.
MLA Li, Yan,et al."Characterization of Humic Substances in the Soils of Ophiocordyceps sinensis Habitats in the Sejila Mountain, Tibet: Implication for the Food Source of Thitarodes Larvae".MOLECULES 24.2(2019):246.
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