荔枝壳

荔枝壳黄酮类物质的醇提工艺

Study on Extracting Flavonoids from Litchi Pericarp by Alcohol Solution

多糖是荔枝壳的重要活性成分，本研究采用阴离子交换柱和凝胶过滤柱对荔枝壳多糖进行分离纯化。

Polysaccharide was an important functional composition in litchi pericarp . Anion exchange column and gel filtration column were used to isolate and purify the major polysaccharide extracted from litchi pericarp .

在酸性条件下荔枝壳水不溶性膳食纤维对NO2ˉ具有显著的吸附作用，随pH的升高其吸附能力显著减弱；

Under the condition of pH 2.0 , the water-insoluble dietary fibre had high adsorptive ability for nitrite .

本文对荔枝壳中多酚氧化酶（PPO）的活性及不同抑制剂的抑制效果进行研究。

The activity of PPO of lichi hull and the control effect for different inhibitor were studied in this paper .

测定了荔枝壳水不溶性膳食纤维对NO2ˉ、胆酸钠的吸附作用。

The adsorptive ability of the water-insoluble dietary fibre for nitrite and bile sodium have been studied also in this paper .

荔枝壳用8倍体积（V/W）50%的丙酮溶液室温下浸提2次，每次浸提2h，回收溶剂，荔枝多酚粗提物得率为34.2%。

Lichee hulls were ground , then infused with 8 volumes ( V / W ) of 50 % acetone solution at room temperature for 2 times , 2h per time . Under these conditions , the yield of crude polyphenols was 34.2 % .

在pH6.0条件下荔枝壳水不溶性膳食纤维对胆酸钠具有较强的吸附作用，其吸附能力随其用量的增大而增强，但到达吸附平衡的时间也相应增加。

Under the condition of pH 6.0 , the water-insoluble dietary fibre had high adsorptive ability for bile sodium . Both its adsorptive ability and the time of adsorptive equilibrium increased sharply as the mass increased .

荔枝壳红色素的提取及稳定性观察

Extraction and Stability Analysis of the Red Pigment from Litchi Shell

荔枝壳膳食纤维的制备

Extracting technology of dietary fibre from Lichee shell

荔枝壳中多酚氧化酶活性研究

Characteristics of Polyphenol Oxidase in Lichi Hull

荔枝壳摸上去像皮革似的，没熟时为绿色，熟时为红色。

The shell , leathery to the touch , is green when unripe and full red when ripe .

以荔枝壳为原料，在酸性条件下浸提荔枝壳红色素，并对其稳定性进行了研究。

The stability of the red pigment in litchi shell , which was extracted by acidic solution leaching from litchi shell , was studied .