What is Tiger Milk Mushroom?
Lignosus rhinocerotis, or tiger milk mushroom (TMM) can be found locally and in other parts of South East Asia. It’s name came from a folklore where this rare mushroom grew on the spot where a tigress’ milk accidentally dribbled while feeding its young. It is sought after by local indigenous communities to relieve cough and asthma, provide stamina & stave of hunger.
Traditionally, the sclerotium part of TMM is pounded, and the extract is then water-infused to be consumed as a tonic. The sclerotium is also consumed raw with betel leaves to relieve symptoms of upper respiratory tract infections.
Nutritional Composition:
The sclerotium part of this mushroom is a good source of dietary fibre & is rich in beta-glucans & essential amino acids. Beta-glucans from mushroom exhibit immune boosting effect. A total of 8 essential amino acids that must be obtained from diet are found in TMM. Amino acids are important to aid various protein synthesis in the body.
i) Source of most essential amino acids
• A local study conducted in 2013 on the protein and amino acid composition of the local L. rhinocerotis from different developmental stages (e.g., the fruit body, sclerotium, mycelium) collected in the wild reported moderate protein levels with all essential amino acids (e.g., phenylalanine, valine, threonine, methionine, leucine, isoleucine, lysine, histidine) were present in the tiger milk mushroom except tryptophan.1
• Tiger milk mushroom contains eight out of the nine essential amino acids that are required by the body through daily diets. Also known as indispensable amino acids, these nine amino acids cannot be synthesised by humans or other vertebrates from metabolic intermediates. Among the major functions of essential amino acids are its crucial role in building protein blocks, acting as precursors or substrates for neurotransmitters, vitamins and hormones’ production as well as other cellular processes.
ii) Source of beta-glucans and minerals
• From the nutritional aspect, the sclerotium of L. rhinocerotis is considered to be a good source of dietary fibre rich in beta-glucans.2
• According to Zekovic et al., mushrooms’ beta-glucans have been reported to exhibit different effects (e.g., immune-booster, anti-tumour) when compared with beta-glucan from oats and barley (e.g., lowering cholesterol and blood sugar levels).3
• Findings from another local study in 2013 reported the major constituents of L. rhinocerotis sclerotia were carbohydrates (monosaccharides and disaccharides) while the fat content was significantly low i.e., less than 1%.4
• As published by Lau et al., the beta-glucans represented the dominant glucans in the aqueous extracts of L. rhinocerotis, which was 82–93% of total glucan (w/w).1
• The minerals (calcium, potassium, sodium, and magnesium) were also higher in the cultivated strain. In general, investigation revealed that the nutrient composition of the sclerotium of cultivated strain of tiger milk mushroom was higher in comparison to that of the wild strain.
Evidence-based Data on the Health Benefits of Lignosus rhinocerotis Tiger Milk Mushroom (TMM)
The regulatory effect of TMM was suggested to be attributed by its high linoleic acid content. Linoleic acid inhibits inflammatory responses from macrophage through inactivation of nuclear factor (NF)-kappa B and activator protein-1 (AP-1) by suppressing oxidative stress and signal transduction pathway of signal-regulated kinase and c-Jun N-terminal kinase-1.10
Data from a recent study by Tan ESS et al suggested that with TMM supplementation, nasal symptoms such as sneezing, nasal obstruction, nasal discharge, olfactory loss, cough and quality of life would improve. This is attributed to the anti-inflammatory effect of TMM.11
In addition to that, the anti-proliferative effect of TMM could also contributed the improvement in sinonasal symptoms.12
Immune-modulatory activity can lead to anti-inflammation and anti-tumour effects. The immune responses are mediated by various immune cells and their secondary secretory components.13
In the respiratory tract, mucosal membranes are crucial as the first line of immunity defence in curbing pathogenic invasion through the epithelial barrier. Immunoglobulin A (IgA) being the most predominant immunoglobulin isotype in mucosal tissue played its part through 3 main mechanisms; immune exclusion, intracellular neutralisation and virus excretion.14
Tan ESS et al also reported that the IgA level of participants was doubled after three months of TMM consumption.11
TMM-induced IgA mechanism still remains ambiguous.
Reinforced IgA production by TMM supplementation is compelling to impede pathogens colonisation of respiratory tract and penetration of antigens through epithelial cells.11
1. Lau BF, Abdullah N, Aminudin N. Chemical composition of the tiger’s milk mushroom, Lignosus rhinocerotis (Cooke) Ryvarden, from different developmental stages. Journal ofAgricultural and Food Chemistry. 2013;61(20):4890-7.
2. Wong K-H, Cheung PCK. Dietary fibers from mushroom sclerotia: 1. Preparation and physicochemical and functional properties. Journal of Agricultural and Food Chemistry. 2005;53(24):9395-400.
3. Zekovic DB, Kwiatkowski S, Vrvic MM, Jakovljevic D, Moran CA. Natural and modified (1→3)-β-D-Glucans in health promotion and disease alleviation. Critical Reviews in Biotechnology. 2005;25(4):205-30.
4. Yap YH, Tan N, Fung S, Aziz AA, Tan C, Ng S. Nutrient composition, antioxidant properties, and anti-proliferative activity of Lignosus rhinocerus Cooke sclerotium. Journal of the Science of Food and Agriculture. 2013;93(12):2945-52.
5. Lukacs NW. Role of chemokines in the pathogenesis of asthma. Nat Rev Immunol. 2001;1(2):108–16.
6. Johnathan M, Gan SH, Ezumi MFW, Faezahtul AH, Nurul AA. Phytochemical profiles and inhibitory effects of tiger milk mushroom (Lignosus rhinocerus) extract on ovalbumin-induced airway inflammation in a rodent model of asthma. BMC Complementary and Alternative
Medicine. 2016;16(1):167.
7. Muhamad SA, Muhammad NS, Ismail NDA, Mohamud R, Safuan S, Nurul AA. intranasal administration of Lignosus rhinocerotis (Cooke) Ryvarden (tiger milk mushroom) extract attenuates airway inflammation in murine model of allergic asthma. Exp Ther Med. 2019;17(5):3867-76.
8. Lee SS, Tan NH, Fung SY, Sim SM, Tan CS, Ng ST. Anti-inflammatory effect of the sclerotium of Lignosus rhinocerotis (Cooke) Ryvarden, the tiger milk mushroom. BMC complementary and alternative medicine. 2014;14:359.
9. Choi I-W, Sun K, Kim Y-S, Ko H-M, Im S-Y, Kim J-H, et al. TNF-α induces the late-phase airway hyperresponsiveness and airway inflammation through cytosolic phospholipase A2 activation. Journal of Allergy and Clinical Immunology. 2005;116(3):537-43.
10. Chang C-S, Sun H-L, Lii C-K, Chen H-W, Chen P-Y, Liu K-L. Gamma-linolenic acid inhibits inflammatory responses by regulating NF-κB and AP-1 activation in lipopolysaccharide-induced RAW 264.7 macrophages. Inflammation. 2010;33(1):46-57.
11. Tan ESS, Leo TK, Tan CK. Effect of tiger milk mushroom (Lignosus rhinocerus) supplementation on respiratory health, immunity and antioxidant status: an open-label prospective study. Scientific Reports. 2021;11(1):11781.
12. Lee ML, Tan NH, Fung SY, Tan CS, Ng ST. The antiproliferative activity of sclerotia of Lignosus rhinocerus (tiger milk mushroom). Evid Based Complement Alternat Med. 2012;2012:697603.
13. Cheung PCK. Mushrooms as functional foods. ed Cheung PCK. New Jersey: John Wiley & Sons, Inc. 2008. Chapter 4, Sclerotia: emerging functional food derived from mushrooms; p. 111–146.
14. Yan H, Lamm ME, Björling E, Huang YT. Multiple functions of immunoglobulin A in mucosal defense against viruses: an in vitro measles virus model. Journal of Virology. 2002;76(21):10972-9.
Follow us on social media