Abstract
Dictyophora indusiate (bamboo mushroom) contains bioactive compounds, particularly fiber (13.30-15.17%). Therefore, Lactobacillus acidophilus was encapsulated in alginate beads and alginate-bamboo mushroom beads, with the objective to improve the survival of probiotic after exposure to gastrointestinal fluids. Either egg or fruit body of bamboo mushroom powder at concentrations of 0, 0.8, 1 and 3% (w/v) were added to encapsulate L. acidophilus by extrusion technique. The addition of bamboo mushroom did not influence the size (3.0 mm) and shape of the moist beads as well as encapsulation yield (94-97%), but they resulted in less interconnected network, causing larger pores when compared to alginate bead without bamboo mushroom. However, the beads in combination with bamboo mushroom (survival rate of 63-68%) and without bamboo mushroom (survival rate of 67%) provided greater protection of cells, enhancing their survival in gastrointestinal condition as compared to cells without encapsulation (survival rate of 34%). This study indicated that bamboo mushroom has the capability to be used as a matrix for co-encapsulation of probiotic cells against simulated gastrointestinal condition.
Highlights
Probiotics are live microbes that when administered in adequate amounts, usually in foods, confer health benefit to the recipient.[1]
The high carbohydrate content in the bamboo mushroom was consistent with that reported by Habtemariam.[28]
Egg and fruit body were rich in dietary fiber (13.30 and 15.17%), phenolic acids (363.10 and 309.10 mg GAE/g), and have high DPPH radical scavenging activity (90.99 and 88.81%), in accord the reported health benefit
Summary
Probiotics are live microbes that when administered in adequate amounts, usually in foods, confer health benefit to the recipient.[1]. Nutr Food Sci Jour., Vol 8(3) 1013-1024 (2020) 1014 processing, storage and passage through the human gastrointestinal tract, release large amounts of probiotic count in action site.[5,6]
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