Abstract
Using pitaya as raw material, this paper used ethanol subsiding method to study the extraction technology of pitaya polysaccharide by single factor test and orthogonal test. Through orthogonal test, we have found the optimum extraction conditions of pitaya polysaccharide as follows: extraction temperature 60℃, solid-liquid ratio 1:30, extraction time 3h. Under the optimal extraction conditions, the yield of pitaya polysaccharide was 1.13%.
Highlights
Hylocereusundulatus Britt, known as Pitaya fruit, Jade Dragon Fruit, Red Dragon Fruit and Dragon Pearl Fruit, is a fruit cultivar of Trigonocarpus genus in Cactaceae
This paper studied the extraction technology of pitaya polysaccharide using pitaya as raw material
The yield of polysaccharides is affected by a variety of factors. This experiment focuses on the impact of three factors on the yield of polysaccharides, namely the extraction temperature, solid-liquid ratio and extraction time
Summary
Hylocereusundulatus Britt, known as Pitaya fruit, Jade Dragon Fruit, Red Dragon Fruit and Dragon Pearl Fruit, is a fruit cultivar of Trigonocarpus genus in Cactaceae. It is a kind of cactaceous plant that can blossom and bear fruit, and its fruit is edible. It is native to Costa Rica, Cuba, Mexico and other tropical areas in Central America. Pitaya is a kind of perennial climbing succulent. The rootstock is dark green, very stout and triangular-shaped. It has a wavy edge and clings to other plants.
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