Effects of Cultivation Techniques and Processing on Antimicrobial and Antioxidant Activities of Hericium erinaceus (Bull.:Fr.) Pers. Extracts

Kah Hui Wong1, Vikineswary Sabaratnam1*, Noorlidah Abdullah1, Umah Rani Kuppusamy2 and Murali Naidu3

1Institute of Biological Sciences, Faculty of Science, University of Malaya, MY-50603 Kuala Lumpur, Malaysia

2Department of Molecular Medicine, Faculty of Medicine, University of Malaya, MY-50603 Kuala Lumpur, Malaysia
3Department of Anatomy, Faculty of Medicine, University of Malaya, MY-50603 Kuala Lumpur, Malaysia

Article history:

Received August 19, 2007
Accepted April 7, 2008

Key words:

Hericium erinaceus, antioxidant activity, antimicrobial activity, fruitbody, mycelium


Hericium erinaceus, a temperate mushroom, is currently cultivated in Malaysia. As cultivation and processing conditions may affect the medicinal properties, antimicrobial and antioxidant properties of locally grown H. erinaceus have been investigated. The fruitbodies that were fresh, oven-dried or freeze-dried were extracted with methanol. Their properties were compared to those exhibited by mycelium extract of the same mushroom. Various extracts of H. erinaceus inhibited the growth of pathogenic bacteria but not of the tested fungus. Mycelium extract contained the highest total phenolic content and the highest ferric reducing antioxidant power (FRAP). The fresh fruitbody extract showed the most potent 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity. However, oven-dried fruitbody extract was excellent in reducing the extent of β-carotene bleaching. The total phenolic content and total antioxidant activity in the oven-dried fruitbody extract was high compared to the freeze-dried or fresh fruitbody extract. This may be due to generation and accumulation of Maillard’s reaction products (MRPs), which are known to have antioxidant properties. Thus, the consumption of H. erinaceus fruitbody grown in tropical conditions may have health promoting benefits. Furthermore, the production of H. erinaceus mycelium in submerged cultures may result in standardized antioxidant formulation for either human nutrition or therapy. Hence, it has been shown that the processing of fruitbody and not the cultivation conditions affects the selected bioactive properties of H. erinaceus.


*Corresponding author: 
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