Abstract
In the present study, digestion and fermentation (in vitro) of chickpea hull (CHPS) polysaccharides were analyzed, and CHPS effects were determined on gut microbes by using high-throughput sequencing technology. The results revealed that saliva, artificial gastric, and small intestinal juices had no effect on CHPS, but after fermentation of CHPS by human gut microbiota the molecular weight, reducing sugar and carbohydrate content decreased significantly. CHPS significantly modulated the gut microbial composition reflecting the potential to reduce obesity risk. Moreover, the decrease in pH was observed in the fermentation system, while short chain fatty acids (SCFAs) were significantly increased. These results indicate that CHPS have potential and could be utilized as functional food components for the improvement of human gut health.
Highlights
The most important organ in the human body is gastrointestinal tract (GIT) which contains mouth, oesophagus, stomach, small and large intestine (Di et al, 2018)
The results revealed that saliva, artificial gastric, and small intestinal juices had no effect on CHPS, but after fermentation of CHPS by human gut microbiota the molecular weight, reducing sugar and carbohydrate content decreased significantly
The carbohydrate content of CHPS was 59.64 ± 2.87% and the uronic acid content was 32.08 ± 1.24%, reflecting that the carbohydrate is the main component of CHPS
Summary
The most important organ in the human body is gastrointestinal tract (GIT) which contains mouth, oesophagus, stomach, small and large intestine (Di et al, 2018). The gut microbes are necessary for health, so it is described as the host forgotten organ (Gill et al, 2006). Though it differ among individuals, in the gut of adults mostly the microbial species could be categorized into numerous phyla: Bacteroidetes and Firmicutes, whereas Actinobacterium, Verrumicrobia and Proteobacterium, are found comparatively in lower abundance (Eckburg, 2005). It was found that CHPS exhibited strong scavenging activities (ABTS and DPPH). The goal of this study was to deliver worthwhile information about the bio-accessibility of CHPS and its potential advantage gut health
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