CN108142902B - 一种银杏营养粉及其制备方法 - Google Patents

一种银杏营养粉及其制备方法 Download PDF

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CN108142902B
CN108142902B CN201810160714.7A CN201810160714A CN108142902B CN 108142902 B CN108142902 B CN 108142902B CN 201810160714 A CN201810160714 A CN 201810160714A CN 108142902 B CN108142902 B CN 108142902B
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李金国
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Abstract

本发明涉及一种营养粉,尤其涉及一种银杏营养粉及其制备方法。本发明提供的营养粉包括下述重量份的组分:银杏果5‑30份、银耳5‑25份、枸杞5‑25份、南瓜子10‑25份、胡萝卜10‑30份、红豆5‑20份、薏米15‑40份、酵母粉20‑30份;其制备方法包括:(1)取上述重量份的银杏果,去壳去皮衣得果仁;将果仁在110‑125℃蒸煮10‑20min得熟制银杏果;(2)取步骤(1)的熟制银杏果和上述重量份的银耳和枸杞,粉碎,加入果胶酶和木瓜酶的复合酶进行酶解,灭酶,水浸提,过滤,减压浓缩,干燥,粉碎过筛得细粉1;(3)取上述重量份的胡萝卜、红豆、薏米、酵母粉,粉碎过筛得细粉2;(4)将步骤(2)得到的细粉1和步骤(3)得到的细粉2混合搅拌均匀,即得银杏营养粉。

Description

一种银杏营养粉及其制备方法
技术领域
本发明涉及一种营养粉,尤其涉及一种银杏营养粉及其制备方法。
背景技术
银杏果(白果),是银杏科植物银杏的除去外种皮的成熟种子,除含有淀粉、蛋白质、脂肪、糖类之外,还含有维生素C、核黄素、胡萝卜素、钙、磷、铁、钾、镁等微量元素以及银杏酸、白果酚、五碳多糖,脂固醇等成分,营养丰富。现代药理研究显示,银杏果有抗菌、祛痰、清除自由基、解痉、降压、抗肿癌、调节免疫功能、抗脂质过氧化等的药理作用;可使主动脉输出量减少,冠状动脉流量增加;能显著提高动物常压耐缺氧能力;抗过敏;延缓衰老;抗微生物;治疗脑缺血;收缩离体子宫等作用。1992年银杏果被确定为药食同源食品,具有良好的医用效果和食疗作用。近年来,在白果鸡、白果月饼等传统食品的基础上,先后有白果罐头、银杏汁、银杏酒等新兴产品问世,其中,银杏营养粉是充分利用银杏果保健作用的一种重要产品形式。
中国发明CN 106108020 A公开了一种对口腔扁平苔藓有很好的治疗效果的银杏果营养粉,包括如下步骤:将银杏果,灭酶,胶体磨磨浆,制成果浆;所述果浆采用复合酶酶解,将甘草、鸡血藤、钩藤、川乌、瓜蒌混合进行粉碎,加入蒸馏水,然后加入纤维素酶进行酶解,得到中药酶解液;将经过酶解处理的果浆和中药酶解液混合,灭菌,加入活化后的醋酸菌,将上述过滤液在30℃条件下搅拌20分钟,然后升温至90℃并保持5分钟,然后迅速降温至35-40℃,并依次通过四台均质机进行均质,四台均质机的压力依次为20兆帕、55兆帕、25兆帕和50兆帕,然后进行喷雾干燥,最后得到粉状颗粒。中国发明CN 105454820A公开了一种银杏太子参营养粉的加工方法,采用银杏、太子参为原料,分别将银杏、太子参挑选、去皮、切块、打浆;将浆液混合、酶处理、均质、喷雾干燥制成营养粉。中国发明CN 104432006 A公开了一种山楂银杏营养粉,包括下山楂、银杏、葛根和黑豆。但这些银杏营养粉均成分单一,功效不够明确,此外,银杏果生食有毒且口感差,极有必要开发一种口感改善的、去除银杏果毒性且尽量保留银杏果营养成分的银杏营养粉。
银耳又称白木耳,雪耳等,真菌类银耳科银耳属,门担子菌门真菌银耳的子实体,有菌种之冠的美称。银耳是一味滋补良药,古今史著和历代医学家通过临床验证,确认银耳有强精补肾,滋阴润肺,生津目咳,清润益胃,补气和血,强心壮身,补脑提神,嫩肤美容,延年益寿,抗癌之功效。
枸杞,中药名枸杞子,茄科植物宁夏枸杞Lycium barbarum L.的成熟果实,性平,味甘。归肝经、肾经。滋补肝肾、益精明目,有增强免疫功能、延缓衰老、抗肿瘤、降血脂、保肝、促进造血功能、抗遗传损伤、降血糖、降血压的功效。
南瓜子,葫芦科植物南瓜Cucurbita moschata(Duch.ex Lam.)Duch.ex Poir.的干燥种子。性微寒,入肾经、肝经,亚油酸含量高,能够有效地降低血糖,还可消除亚硝酸铵的突变作用,抑制癌细胞出现,有防癌功效。
胡萝卜营养丰富,素有“小人参”之称,富含糖类、脂肪、挥发油、胡萝卜素、维生素A、维生素B1、维生素B2、花青素、钙、铁等营养成分。
红豆,又叫赤豆,红豆的蛋白质含量为17.5%-23,3%,淀粉48.2%-60.1%,食物纤维5.6%-18.6%,还含有多种无机盐和微量元素,如钾、钙、镁、铁、铜、锰、锌等,营养丰富。薏米,禾本科植物薏苡的种仁,性凉,味甘、淡,入脾、肺、肾经,具有利水、健脾、除痹、清热排脓的功效。薏米和红豆配合使用,有祛湿功效,能够祛除体内的湿气,有利水消肿、解毒排脓,能当饭吃,是祛湿健脾的佳品。
酵母粉,为粉状酵母抽提物,营养丰富,蛋白质含量高,并且含有18种人体必须的氨基酸以及功能性多肽(包括谷胱甘肽),某些类型还含有膳食纤维葡聚糖和甘露聚糖,人体不可缺少的核酸(RNA)及核苷酸、B族维生素,富含多种微量元素,营养价值高。
目前,市面上尚未见有把几种物质的营养成分有效结合在一起。
发明内容
为解决上述技术问题,本发明的目的在于提供一种把多种原料的营养成分有效结合的无毒,营养全面,口感好,抗疲劳、抗衰老效果显著,同时可减肥的多效保健银杏营养粉。
本发明的目的还在于提供一种能够去除银杏果毒性且各原料的营养成分溶出度高的银杏营养粉的制备方法。
本发明提供了一种银杏营养粉,该营养粉包括下述重量份的组分:银杏果5-30份、银耳5-25份、枸杞5-25份、南瓜子10-25份、胡萝卜10-30份、红豆5-20份、薏米15-40份、酵母粉20-30份。
优选地,所述的营养粉包括下述重量份的组分:银杏果10-20份、银耳5-15份、枸杞10-20份、南瓜子10-20份、胡萝卜15-25份、红豆5-15份、薏米20-30份、酵母粉22-28份。
更优选地,所述的营养粉包括下述重量份的组分:银杏果15份、银耳10份、枸杞15份、南瓜子15份、胡萝卜20份、红豆8份、薏米25份、酵母粉25份。
本发明还提供了银杏营养粉的制备方法,该制备方法包括下述顺序的步骤:
(1)取上述重量份的银杏果,去壳去皮衣得果仁;将果仁蒸煮得熟制银杏果;
(2)取步骤(1)的熟制银杏果和上述重量份的银耳和枸杞,粉碎,加入果胶酶和木瓜酶的复合酶进行酶解,灭酶,水浸提,过滤,减压浓缩,干燥,粉碎过筛得细粉1;
(3)取上述重量份的胡萝卜、红豆、薏米、酵母粉,粉碎过筛得细粉2;
(4)将步骤(2)得到的细粉1和步骤(3)得到的细粉2混合搅拌均匀,即得银杏营养粉。
进一步地,步骤(1)中所述的蒸煮为将果仁在110-125℃蒸煮10-20min。
进一步地,步骤(2)中所述的复合酶的终浓度为(底物总重量×0.0005%)/L-(底物总重量×0.02%)/L;优选地,步骤(2)中所述的复合酶的终浓度为(底物总重量×0.001%)/L-(底物总重量×0.005%)/L;更优选地,步骤(2)中所述的复合酶的终浓度为(底物总重量×0.003%)/L。
进一步地,步骤(2)中所述的复合酶中,果胶酶和木瓜酶的重量比为0.5-5;优选地,步骤(2)中所述的复合酶中,果胶酶和木瓜酶的重量比为1-3;更优选地,步骤(2)中所述的复合酶中,果胶酶和木瓜酶的重量比为2。
进一步地,步骤(2)中所述的酶解,酶解时温度为40-60℃;优选地,步骤(1)中所述的酶解,酶解时温度为45-55℃;更优选地,步骤(2)中所述的酶解,酶解时温度为50℃。
进一步地,步骤(2)中所述的酶解,酶解时的pH值为4-6;优选地,步骤(2)中所述的酶解,酶解时的pH值为4.5-5.5;更优选地,步骤(2)中所述的酶解,酶解时的pH值为5.0。
进一步地,步骤(2)中所述的酶解,酶解时间为1-7h;优选地,步骤(2)中所述的酶解,酶解时间为2-5h;更优选地,步骤(2)中所述的酶解,酶解时间为3h。
进一步地,步骤(2)中所述的水浸提,加水量为底物重量的40-70倍;优选地,步骤(2)中所述的水浸提,加水量为底物重量的45-60倍;更优选地,步骤(2)中所述的水浸提,加水量为底物重量的50倍。
进一步地,步骤(2)中所述的水浸提,浸提温度为30-90℃;优选地,步骤(2)中所述的水浸提,浸提温度为40-70℃;更优选地,步骤(2)中所述的水浸提,浸提温度为50℃。
进一步地,步骤(2)中所述的水浸提,水浸提时间为1-10h;优选地,步骤(2)中所述的水浸提,水浸提时间为3-8h;更优选地,步骤(2)中所述的水浸提,水浸提时间为4h。
二十世纪90年代初,酶解技术开始用于中药有效成分的提取,大部分植物药的有效成分都包裹在细胞壁中,而植物的细胞壁是由纤维素、半纤维素、果胶质、木质素等物质构成的致密结构。在提取药用植物有效成分过程中,有效成分向提取介质扩散时,必须克服细胞壁及细胞间质的双重阻力。选用适当的酶作用于植物药材,可通过酶反应温和地分解细胞壁和细胞间质中的纤维素、半纤维素、果胶质等成分,破坏其致密构造,有利于有效成分溶出。此外,一些蛋白酶作用于植物药材,可将一些杂质蛋白质分解,提高中药有效成分的纯度及利用度等。其中,纤维素果胶酶是能够分解果胶质的多种酶的总称,通过裂解或β消去作用切断果胶质中的糖苷键,使果胶质裂解为多聚半乳糖醛酸。果胶分子沉积于初生细胞壁和细胞间层,果胶酶的使用,可破坏细胞壁,增加有效成分的溶出度,提高得率;木瓜酶又称木瓜蛋白酶,广泛存在于番木瓜的根、茎、叶和果实内,其对动植物蛋白质、多肽等有较强的水解能力,能把大分子蛋白质水解成易消化吸收的小分子多肽或氨基酸。
本发明的有益效果在于,
(1)本发明提供的银杏营养粉,通过对原料和配比的科学选择,各原料功效互相补充,营养全面,易消化,口感好。
(2)通过蒸煮、酶解和水浸提,有效去除了银杏果的毒性,使之食用更加安全放心,且最大程度的保留了银杏果的有效成分,去除毒性的同时避免了银杏果营养成分的缺失。
(3)本发明提供的银杏营养粉,在制备过程中,采用对银杏果、银耳和枸杞粉碎物同时用复合酶酶解的方法,酶的种类及酶解条件的合理设置使得银杏果、银耳和枸杞的营养成分溶出度极大提高,营养粉功效更强,且三种原料同时酶解的方法更简便,省时,效率高。
(4)本发明提供的银杏营养粉,抗疲劳、抗氧化能力强,还有抗衰老作用,且长期服用可起到减肥作用,是一种适合长期食用的优秀的保健营养粉。
具体实施方式
以下结合实施例对本发明进行进一步的详细阐述,但本发明并不受以下实施例限定。其中使用的试剂及材料,如无特殊说明,均为商业途径获得。
实施例1
一种银杏营养粉,其原料及重量份见表1;
该银杏营养粉的制备方法为:
(1)取银杏果150g,去壳去皮衣得果仁;将果仁在120℃蒸煮15min得熟制银杏果;
(2)取步骤(1)的熟制银杏果和银耳100g及枸杞150g,粉碎,过40目筛,加水至1L,加入果胶酶和木瓜酶的复合酶进行酶解,其中,果胶酶的终浓度为8mg/L,木瓜酶终浓度为4mg/L;pH 5.0,50℃条件下酶解3h,高温灭酶;
加20kg水浸提,在50℃条件下浸提4h,过滤,减压浓缩,干燥,粉碎过100目筛得细粉1;
(2)取上述重量份的胡萝卜、红豆、薏米、酵母粉,粉碎过筛得细粉2;
(3)将步骤(1)得到的细粉1和步骤(2)得到的细粉2混合搅拌均匀,即得银杏营养粉。
其中,果胶酶购自宁夏夏盛公司;木瓜酶购自Sigma公司。
实施例2-5银杏营养粉,原料及重量份见表1,制备方法各步具体参数见表2,其余同实施例1。
表1
Figure GDA0002883388560000061
表2
Figure GDA0002883388560000062
Figure GDA0002883388560000071
实验例
1.抗疲劳检验
随机取30只同龄、体重相近的小鼠,平均分两组,实验组在正常喂食饲料的基础上每天早晚喂食本发明实施例1的银杏营养粉各一次,50g/次。对照组正常喂食饲料。一个月后,在相同水温下做游泳耐力实验,结果显示,实验组小鼠平均游泳持续时间60min,对照组20min。本发明提供的银杏营养粉具有显著的抗疲劳作用。
2.抗衰老检验
1.DPPH(1,1-二苯基-2-三硝基苯肼)自由基清除试验
(1)配制试样:取实施例1-5及对比例1-6的银杏营养粉,配成浓度为1%的样品溶液;
(2)配制DPPH溶液:DPPH购自上海如吉生物科技发展有限公司,准确称取40mgDPPH,无水乙醇定容至250mL,摇匀得浓度为4×10-4mol/L的DPPH溶液,冷藏备用。
(3)在10mL比色管中依次加入4mL步骤(2)配制的DPPH溶液及4mL步骤(1)配制的样品溶液,再加入无水乙醇至刻度,混匀立即用1cm比色皿在517nm波长处测吸光值(A),吸光值记为Ai,再在温室避光保存30min后测吸光值,记为Aj,对照试验为只加DPPH的乙醇溶液,其吸光值记为Ac。同一测定重复3次,取平均值。
按下式计算自由基清除率(K):K(%)=[1-(Ai-Aj)/Ac]*100%;结果见表3。
表3
组别 DPPH清除率(%)
实施例1 98.55
实施例2 96.73
实施例3 96.64
实施例4 95.58
实施例5 95.21
对比例1 60.87
对比例2 65.34
对比例3 72.14
对比例4 72.38
对比例5 72.03
对比例6 68.93

Claims (6)

1.一种银杏营养粉,其特征在于,该营养粉由下述重量份的组分组成:银杏果5-30份、银耳5-25份、枸杞5-25份、南瓜子10-25份、胡萝卜10-30份、红豆5-20份、薏米15-40份、酵母粉20-30份;
所述的银杏营养粉的制备方法,包括下述顺序的步骤:
A取上述重量份的银杏果,去壳去皮衣得果仁;将果仁蒸煮得熟制银杏果;
B取步骤A的熟制银杏果和上述重量份的银耳和枸杞,粉碎,加入果胶酶和木瓜酶的复合酶进行酶解,灭酶,水浸提,过滤,减压浓缩,干燥,粉碎过筛得细粉1;
C取上述重量份的胡萝卜、红豆、薏米、酵母粉,粉碎过筛得细粉2;
D将步骤B得到的细粉1和步骤C得到的细粉2混合搅拌均匀,即得银杏营养粉;
步骤B中所述的复合酶中,果胶酶和木瓜酶的重量比为0.5-5;
步骤B中所述的酶解,酶解时温度为40-60℃;
步骤B中所述的酶解,酶解时的pH值为4-6;
步骤B中所述的酶解,酶解时间为1-7h。
2.如权利要求1所述的银杏营养粉的制备方法,其特征在于,该制备方法包括下述顺序的步骤:
A取上述重量份的银杏果,去壳去皮衣得果仁;将果仁蒸煮得熟制银杏果;
B取步骤A的熟制银杏果和上述重量份的银耳和枸杞,粉碎,加入果胶酶和木瓜酶的复合酶进行酶解,灭酶,水浸提,过滤,减压浓缩,干燥,粉碎过筛得细粉1;
C取上述重量份的胡萝卜、红豆、薏米、酵母粉,粉碎过筛得细粉2;
D将步骤B得到的细粉1和步骤C得到的细粉2混合搅拌均匀,即得银杏营养粉。
3.如权利要求2所述的制备方法,其特征在于,步骤B中所述的复合酶的终浓度为(底物总重量×0.0005%)/L-(底物总重量×0.02%)/L。
4.如权利要求2所述的制备方法,其特征在于,步骤B中所述的水浸提,加水量为底物重量的45-60倍。
5.如权利要求4所述的制备方法,其特征在于,步骤B中所述的水浸提,浸提温度为30-90℃。
6.如权利要求5所述的制备方法,其特征在于,步骤B中所述的水浸提,浸提时间为1-10h。
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