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Title: Molecular phylogenetic analysis of wild Tiger’s milk mushroom (Lignosus rhinocerus) collected from Pahang, Malaysia and its nutritional value and toxic metal content
Authors: Rahmat N.
Loo, S. S
Daud F.
Zamri Z.
Lai, W. H
Saleh N. M.
Shaharuddin S.
Issue Date: 2013
Citation: International Food Research Journal (Malaysia), 20(5), p. 2301-2307
Abstract: Tiger’s Milk mushroom has been used for medicinal purposes by local aborigines to treat asthma, breast cancer, cough, fever and food poisoning. Molecular phylogenetic analysis utilizing RNA polymerase II, second largest subunit (RPB2) gene, identified the wild Tiger’s Milk mushrooms collected from the state of Pahang in Malaysia for this study as Lignosus rhinocerus in the order Polyporales. The tuber, stipe and pileus of this mushroom were analyzed for their basic nutritional composition (fat, protein, and carbohydrate) and toxic metal content profile (Cadmium, Lead and Mercury). The moisture content of these mushroom parts varied from 32.22% (pileus) – 46.31% (stipe). The dry matter of the mushrooms contained 2.76% (stipe) – 6.60% (pileus) proteins, 0.21% (pileus) – 0.30% (tuber) fat, 1.76% (stipe) – 4.38% (tuber) ash and 38.47% (stipe) – 56.30% (pileus) carbohydrates. The toxic metal content of the mushroom samples ranged from 0.03–0.12 mg/kg for Cd, 0.80–1.94 mg/kg for Pb and 0.05–0.10 mg/kg for Hg. The present study demonstrated that L. rhinocerus is a potential source of food due to its high carbohydrate content. In addition, the trace levels of toxic metals in this mushroom are within the safe level for consumption.
License: http://www.oceandocs.org/license
URI: http://agris.upm.edu.my:8080/dspace/handle/0/10996
Related document: http://ifrj.upm.edu.my/20%20(05)%202013/35%20IFRJ%...
ISSN: 22317546
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