Utilization of chicken feather hydrolysate as a novel fermentation substrate for production of exopolysaccharide and mycelial biomass from edible mushroomMorchella esculenta

Abstract

This study was performed to investigate the usability of chicken feather hydrolysate (Chicken feather peptone (CFP)) as substrate for mycelial biomass and extracellular polysaccharides (EPS) production from edible mushroom Morchella esculenta. The ability of CFP to support biomass and EPS production in edible mushroom M. esculenta was compared to those of two commercial peptones (Tryptone peptone (TP) and Fish peptone (FP)). The maximum biomass (16.3 g/l) and EPS (4.8 g/l) concentrations were achieved with TP. Second, high biomass (15.9 g/l) and EPS (4.6 g/l) concentrations were obtained with CFP. Also, biomass and EPS concentrations in CFP medium were statistically near to those in the TP medium. CFP and TP resulted in not only uniform pellets with smaller size (5 mm) but also faster mycelial growth compared to FP. This study showed for the first time that CFP could be effectively used as a novel EPS production substrate.

A new strategy for improved glutathione production from Saccharomyces cerevisiae: use of cysteine‐ and glycine‐rich chicken feather protein hydrolysate as a new cheap substrate

“…The present hydrolysis experiments were performed using acids. However, the method used was different from those reported in previous studies , . As seen in Fig.…”

“…Recently, it has been reported that protein hydrolysate prepared from chicken feathers can be used as a general growth substrate for bacteria . In other studies the same protein hydrolysate was used as a substrate in fungal fermentation to produce carotenoids and polysaccharides . These studies indicated that chicken feather protein hydrolysate had high protein, mineral and amino acid contents as well as high levels of cysteine and glycine amino acids.…”

“…14 In other studies the same protein hydrolysate was used as a substrate in fungal fermentation to produce carotenoids 15 and polysaccharides. 16 These studies indicated that chicken feather protein hydrolysate had high protein, mineral and amino acid contents as well as high levels of cysteine and glycine amino acids. Despite its rich nutritional composition, chicken feather protein hydrolysate has not been tested as a fermentation substrate for producing other microbial substances such as enzymes, ethanol, single-cell proteins, GSH and organic acids.…”

Chicken feather hydrolysate as an inexpensive complex nitrogen source for PHA production byCupriavidus necatoron waste frying oils

“…Feathers constitute up to 100 g kg −1 of total chicken weight, and are composed of over 900 g protein per kg (Taskin et al . ). Nonetheless, despite their low cost and abundant availability, industrial applications of feathers are limited and chicken feather is usually treated as waste (Reddy ).…”

Use of wheat straw and chicken feather hydrolysates as a complete medium for lactic acid production

“…Therefore, inexpensive alternatives to these components are preferred as medium supplements. Annually, about 5 million tons of chicken feathers are generated by the poultry industry (Gao et al 2014), and this is used for the production of animal feed supplements such as feather meal (Taskin et al 2012) or disposed of in landfills (Stiborova et al 2016). Since 90-92% of feather is composed of keratin, a protein rich in cysteine, arginine, threonine and hydrophobic amino acids, it can have nutrient potential providing its structure can be effectively broken down.…”