Moisturizing Change of Polysaccharide from Pomelo Peel on Different Tobacco Carriers
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Abstract:
Pomelo peel was used to prepare polysaccharide by hot water extraction and organic solvent precipitation combined with low temperature. Differences of the physical structure and chemical composition of six tobacco carriers were determined by scanning electron microscopy (SEM) and chemical analysis. The moisturizing dynamics of polysaccharides from pomelo peel on the carriers were also studied..The results showed that the different carriers had different smoothness and stomata. The distribution of stomata on upper leaves B3F was higher than that in the middle leaves C2F. The lowest distribution was found in leaves B1F. The chemical composition showed that organic acid content DY2 was the highest of 28.1%, and DY3 was the lowest of 16.2%. The polyphenol content increased from 2.2 mg/kg to 5.58 mg/kg, and there was significant difference among varieties. Total sugar content exhibited the highest in C2F of 26.37%, and was significantly higher than that of other parts. The nicotine content was the minimum in DY1 for 2.82%, while the maximum value was found in B3F for 5.12%. The moisturizing properties showed the moisturizing dynamics of polysaccharides from pomelo peel on the six carriers had different trends. The moisturizing effect on B3F was the best, and relatively poor in B1F.
