Angel Yeast Co., Ltd

Zhihong Li

Xuefeng Yu

Minghua Yu

Juan Yao

Zhijun Li

Daiwu Liu

Yan Zhang

Yamin Zhu

Jincheng Lei

Guanqun Tang

Ku Li

Yinhu Xu

Bin Tan

Pei Li

Haibo Zhang

A nutritional composition comprising by weight: between 0.05 and 30% selenium-enriched yeast; between 1 and 90% yeast beta-glucan; between 0.5 and 60% Vitamin C; and between 0.5 and 40% Vitamin E. The composition features anti-oxidative, anti-aging, cancer-preventing, and immune-stimulating properties.

Compositions comprising selenium-rich yeast and yeast beta-glucan

A method for processing a lignocellulose material, comprises the following steps: (1) crushing and sieving the lignocellulose material, and collecting granules with a particle size of between 0.08 and 0.1 mm; (2) mixing the granules obtained in step (1) with water, and dispersing through a colloid mill to yield a suspension with a particle size of 40-80 &#x3bc;m; (3) homogenizing the suspension obtained in the step (2) under high pressure to have a particle size of between 10 and 40 &#x3bc;m; and (4) buffering the suspension obtained in the step (3) with a buffer solution of sodium acetate and acetic-acid, adding cellulase, &#x3b2;-glucosidase, and xylanase, and performing zymolysis for 36-72 hours.

Method for processing lignocellulose material

The present invention relates to a composite yeast for high concentration alcohol fermentation, which includes thermostable, acid protease, phytase, cellulose, &#x3b2;-glucanase, and pectinase, and is suitable for the high concentration alcohol fermentation for various raw materials. In addition to normal fermentation, the composite yeast of the present invention can degrade the raw materials, increase the nutrient ingredients in the mash, promote the growth of yeast and provide stress tolerance protection.

Composite yeast suitable for high concentration alcohol fermentation

The present invention provides a method for extracting glucan and mannan from the cell wall of a microorganism. Specifically, the method of the present invention in one embodiment comprises the steps of: a) treating the cells of the microorganism with an alkaline protease and an mannanase; b) separating the mixture from step a) into a heavy phase and a light phase; c) drying the heavy phase obtained from step b), obtaining the glucan preparation; and d) drying the light phase obtained from step b), obtaining the mannan preparation. Optionally, in the step c), the heavy phase obtained from step b) may be treated sequentially with an alkali and an acid, and separated again into a heavy phase and a light phase. The heavy phase is dried, obtaining the glucan preparation. The present invention further relates to the glucan preparation and mannan preparation produced thereby, and the uses thereof.

Method for preparing glucan and mannan, glucan preparation and mannan preparation produced thereby and use thereof

The present invention relates to a composite yeast suitable for high concentration alcohol fermentation from sugar-containing raw materials, characterizing in that the composite yeast comprises any kind of dried yeast selected from Brewers yeastHansen of, grape wine yeastBeijerinek, and nutritious materials which are necessary for yeast growth, the nutritious materials include: the dried yeast 40-70 parts by weight, a nitrogen source 20-40 parts by weight, a phosphorous source 5-10 parts by weight, an other inorganic salt 2.5-5 parts by weight, a trace vitamin 1-2.5 parts by weight and a bacteriostatic 0.5-1.2 parts by weight. The present invention further relates to a method for preparation of the composite yeast suitable for high concentration alcohol fermentation from sugar-containing raw materials. Using the composite yeast of the present invention to proceed with sugar fermentation can increase fermentation alcoholicity, decrease residual sugar content, and allows the final alcoholicity of standard raw material, such as sucrose to attain to 14.5-15.5% v/v, and the amount of the residual reducing sugar in the fermentation mash is 0-0.1 wt %.

Composite yeast suitable for high concentration alcohol fermentation from sugar-containing raw materials

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Yichang, China

Zhihong Li