CN114468285A - 一种桑黄菌丝体冻干粉加工工艺 - Google Patents
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Abstract
本发明公开了一种桑黄菌丝体冻干粉加工工艺,包括如下步骤:原料准备:分离出的新鲜桑黄菌丝,通过冷冻干燥完成后,切成长3‑4cm的块状备用;配料准备:称取配料,所述配料和桑黄菌丝的重量比为1:2,所述配料为食品级干冰;粉碎:采用中药粉碎加工装置,对混合的桑黄菌丝和食品级干冰进行粉碎,得到桑黄菌丝体冻干粉。本发明在桑黄菌丝粉碎时添加食品级干冰,能够有效抑制桑黄粉可提取物质的氧化及粉碎粉末的炭化,保留了桑黄含有的酚类物质的药理活性,并且操作步骤简单,适用于大规模工业化生产。
Description
技术领域
本发明涉及食品加工技术领域,尤其涉及一种桑黄菌丝体冻干粉加工工艺。
背景技术
桑黄,中药名。为多孔菌科真菌火木层孔菌的子实体,分布于华北、西北及黑龙江、吉林、台湾、广东、四川、云南、西藏等地。具有活血,止血,化饮,止泻之功效。常用于血崩,血淋,脱肛泻血,带下,经闭,症瘕积聚,癖饮,脾虚泄泻。
传统的桑黄菌丝干粉制作工艺中,采用低速的人工加工工艺,若需要大批量地生产桑黄,只能增加粉碎点,不仅过程繁琐,还浪费人力。为此,人们为了实现工业化桑黄高速加工,采用现代机械快速加工工艺对桑黄菌丝进行粉碎。但是,机械粉碎带来了新的问题,即加工过程中的高温会使桑黄菌丝干粉失去其含有的部分单宁及蛋白质变性或是氧化,最终影响桑黄的药用效果。
发明内容
本发明意在提供一种桑黄菌丝体冻干粉加工工艺,以解决传统加工工艺会使桑黄菌丝干粉失去其含有的部分单宁及蛋白质变性或是氧化,最终影响桑黄的药用效果的问题。
为达到上述目的,本发明提供如下技术方案:
一种桑黄菌丝体冻干粉加工工艺,包括如下步骤:
(1)原料准备:称取桑黄菌丝,经冷冻干燥后,切成长3-4cm的块状备用;
(2)配料准备:称取配料,所述配料和桑黄菌丝的重量比为1:2,所述配料为食品级干冰;
(3)粉碎:采用中药粉碎加工装置,对混合的桑黄菌丝和食品级干冰进行粉碎,得到桑黄菌丝体冻干粉。
优选的,所述中药粉碎加工装置采用3000转速对混合的桑黄菌丝和食品级干冰进行三次粉碎,取食品级干冰总重量的50%与桑黄菌丝进行第一次粉碎,粉碎时间为120s-180s;再取食品级干冰总重量的30%与经第一次粉碎后的桑黄菌丝进行第二次粉碎,粉碎的时间为600-650s;最后取食品级干冰总重量的20%与经第二次粉碎后的桑黄菌丝进行第三次粉碎,第三次粉碎的时间为700-860s
优选的,所述桑黄菌丝体冻干粉过120-150目筛。
相比现有技术,本发明的有益效果是:
本发明的桑黄菌丝体冻干粉加工工艺采用低温与快速加工粉碎相结合的方法,在桑黄菌丝粉碎时添加食品级干冰,能够有效抑制桑黄粉可提取物质的氧化及粉碎粉末的炭化,使得桑黄菌丝体冻干粉具有传统低速加工桑黄特有的香味,不会破坏桑黄中的有效物质,极大程度上保留了桑黄中酚类物质的药理活性,经检测桑黄菌丝体冻干粉可提取物,包含类多糖、落叶松覃酸、脂肪酸、幽醇类物质、三萜类、芳香酸、氨基酸、酶和黄酮与现代高速高温工艺加工成品含量有极显著差异,并明显保持更高的可提取水平,并且桑黄菌多糖提取量也极显著高于高速高温粉碎加工工艺粉的提取含量;步骤简单,适用于大规模工业化生产。
附图说明
图1为本发明实施例提供的一种桑黄菌丝体冻干粉加工工艺流程示意图;
图2为本发明实施例提供的桑黄低温粉碎与传统桑黄粉碎黄酮与总酚类的提取分析结果图。
具体实施方式
下面结合附图和实施方式对本发明做进一步的详细说明:
如图1所示的,一种桑黄菌丝体冻干粉加工工艺,包括如下步骤:
原料准备:称取桑黄菌丝,经冷冻干燥后,切成长3-4cm的块状备用;
配料准备:称取配料,所述配料和桑黄菌丝的重量比为1:2,所述配料为食品级干冰;
粉碎:采用中药粉碎加工装置,对混合的桑黄菌丝和食品级干冰进行粉碎,得到桑黄菌丝体冻干粉。
具体的,将杂木屑77%、麸皮20%、糖1%、石灰1%、石膏1%按质量比例混合,制得干料,然后添加水至含水量达65%,搅拌均匀,得到栽培料,将培养料装入容器中,于灭菌柜中高温灭菌,并于冷却室降温消毒,在无菌条件下将桑黄菌种活化后接种于灭菌后的容器培养液中,接种完成后将容器转移到培养室,室内温度控制在26℃,湿度为60%,保持通风,一个月左右菌丝长满整个容器,继续保持半个月后,转移至出菇室的出菇架上,控制出菇室的温度在28℃,保持室内每天光照12h,CO2控制在5000-6000ppm,直至成熟采收。
然后,称取一定重量的新鲜桑黄菌丝,并将其切成3-4cm的块状备用,再称取一定重量的食品级干冰,且称取的食品级干冰和桑黄菌丝的重量比为1:2,使用中药粉碎加工装置,在本实施例中,使用超微粉碎机,调速至3000转速,对混合后的桑黄菌丝和食品级干冰进行三次快速粉碎,取食品级干冰总重量的50%与桑黄菌丝进行第一次粉碎,粉碎时间为150s;再取食品级干冰总重量的30%与经第一次粉碎后的桑黄菌丝进行第二次粉碎,粉碎的时间为600s;最后取食品级干冰总重量的20%与经第二次粉碎后的桑黄菌丝进行第三次粉碎,第三次粉碎的时间为800s,最终得到桑黄菌丝体冻干粉。
最后,称取定量的桑黄菌丝体冻干粉和经传统加工工艺粉碎的桑黄菌丝体干粉,平均置于四个烧杯,其中两个烧杯加入体积分数60%的乙醇溶液混匀,料液比为1∶50,提取温度45℃,提取时间25min,进行超声提取桑黄酮,另外两个烧杯加入80度热水混匀,料液比1∶25,提取温度50℃,提取时间30min,进行超声提取桑黄总酚,得到如图2所示的桑黄低温粉碎与传统粉碎黄酮与总酚类的提取分析结果,由图2可知,传统加工工艺的桑黄菌丝体干粉的桑黄酮提取物干重10.5%,而采用本发明的低温粉碎后,桑黄酮提取物干重11.7%,传统加工工艺的桑黄总酚提取物干重14.2%,而采用本发明的低温粉碎后,桑黄总酚提取物干重15.07%,经过前述统计分析,可知低温粉碎处理的桑黄酮及桑黄总酚在最终提取物上有极显著差异,通过本发明加工工艺制得的桑黄菌丝体冻干粉明显优于经传统加工工艺粉碎的桑黄菌丝体干粉。
以上所述的仅是本发明的实施例,方案中公知的具体技术方案和/或特性等常识在此未做过多描述。应当指出,对于本领域的技术人员来说,在不脱离本发明技术方案的前提下,还可以作出若干变形和改进,这些也应该视为本发明的保护范围,这些都不会影响本发明实施的效果和专利的实用性。本申请要求的保护范围应当以其权利要求的内容为准,说明书中的具体实施方式等记载可以用于解释权利要求的内容。
Claims (3)
1.一种桑黄菌丝体冻干粉加工工艺,其特征在于,包括如下步骤:
(1)原料准备:称取桑黄菌丝,经冷冻干燥后,切成长3-4cm的块状备用;
(2)配料准备:称取配料,所述配料和桑黄菌丝的重量比为1:2,所述配料为食品级干冰;
(3)粉碎:采用中药粉碎加工装置,对混合的桑黄菌丝和食品级干冰进行粉碎,得到桑黄菌丝体冻干粉。
2.根据权利要求1所述的一种桑黄菌丝体冻干粉加工工艺,其特征在于:所述步骤(3)中的粉碎具体为:所述中药粉碎加工装置采用3000转速对混合的桑黄菌丝和食品级干冰进行三次粉碎,取食品级干冰总重量的50%与桑黄菌丝进行第一次粉碎,粉碎时间为120s-180s;再取食品级干冰总重量的30%与经第一次粉碎后的桑黄菌丝进行第二次粉碎,粉碎的时间为600-650s;最后取食品级干冰总重量的20%与经第二次粉碎后的桑黄菌丝进行第三次粉碎,第三次粉碎的时间为700-860s。
3.根据权利要求2所述的一种桑黄菌丝体冻干粉加工工艺,其特征在于:所述桑黄菌丝体冻干粉过120-150目筛。
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