查询词典 pectin

It involved the following aspects: choosing the optimal acidulous reagent, determining the optimal parameters of extracting technology of pectin , attempting the experiment of pectin de-coloration and purification.

盐析的最佳工艺为：温度控制在80℃，混合盐比为2：1，沉析时间为1.5h，沉析时pH值为3.8。用混合盐析得到果胶，产品得率7.6％，颜色灰白色，符合食品卫生要求。

The purification technology of pectin was attempted in this study, especially new opinion was brought forth on decoloration of pectin.

对纯化技术作了进一步探讨，尤其对果胶的脱色技术提出了新的见解。

Pectate and pectin lyases are a class of polysaccharide lyases produced by a diverse group of organisms including bacteria, fungi, plant and nematodes. Various pectate lyases and pectin lyases are divided into five families.

果胶裂解酶包含果胶酸裂解酶和果胶酸酯裂解酶二种形式，是一类多糖裂解酶，由细菌、真菌、植物和线虫等生物产生，分布在5个多糖裂解酶家族，果胶酶在食品与饮料、纺织与洗涤、制药等工业中有广泛的应用。

A good storage condition of pectin powder is obtained , which provides an experimental basis for the production of pectin.

结论获得了较佳的果胶粉存放条件，为果胶的生产工艺提供了实验根据。

The use of orthogonal, the extraction of pectin and the pectin precipitation test conditions, come to the best of conditions.

利用正交试验法，对果胶的提取和果胶的沉淀条件进行了试验，得出最佳的工艺条件。

Pectose exists in the fleshy pulp of unripe fruit; during the process of ripening it changes to pectin; by cooking, pectin is changed to pectosic acid, and by longer cooking to pectic acid.

重合果胶存在于未成熟果子的肉浆中，在成熟过程中它变成胶质，在烹饪时胶质变成重合果胶酸。长时间烹饪时变成果胶酸。

The result shows:(1) The value of pH of solution should be adjusted with phosphoric acid and sulphurous acid (1:2) at extracting pectin from apple pomace,and the pectin with the best color and quality was obtained.

研究结果表明：①用本试验所用的果渣提取果胶，应选用H_3PO_4和H_2SO_3混合酸(1：2)作为萃取剂调节溶液的pH值，所得粗果胶无论是产率还是色泽都优于其它酸萃取的效果。

However,there is a lot of valuable pectin and flavonoids in peels,and it is very beneficial to extract pectin and flavonoids from peels of Akebia trifoliate koiaz.

植物的大多数果皮中含有丰富的高价值果胶和黄酮，这些成分在医药行业、食品行业及精细化工行业等领域都有广泛的用途。

Meanwhile, molecular weight of pectin was related to its physicochemical properties. The larger the molecular weight of pectin was, the more its galacturonic acid content and degree of esterification and gelatination were.

相对分子质量与其理化性质有着对应的关系，果胶半乳糖醛酸含量、酯化度和胶凝度随相对分子质量增大而增大，单糖组分也随相对分子质量增大而增多。

The results showed: the content of dissoluble substance, pectin, hemicellulose, lignin and cellulose in straw is 16.57%, 7.82%, 19.4%, 18.4% and 21.01%, respectively; the decrease rates of pectin, hemicellulose and lignin in retied stems are 82.10%, 17.01% and 11.40%, respectively; the content of dissoluble substance in flax stems has dropped rapidly from 16.57% to 7.93% in the first two hours of fermentation; the increase rates of bacteria number in the second two hours is 588%, which is the biggest in this process; the content of pectin, hemicellulose and lignin in flax stems will be declining with the retting going on.

结果表明，亚麻原茎中水溶物、果胶、半纤维素、木质素和纤维素含量分别为：16.57%、7.82%、19.4%、18.4%和21.01%；脱胶完成时，果胶、半纤维素和木质素脱除率分别为82.1%、17.0%和11.4%；在接种后发酵2h内，亚麻麻茎中的水溶物由16.57%迅速降至7.93%；接种后发酵2h- 4h，脱胶菌活菌量的增加幅度最大，为5.88倍；麻茎中果胶、半纤维素和木质素的含量均随着时间的延长而降低。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。