CN1049560C - 果蔬保鲜剂 - Google Patents

果蔬保鲜剂 Download PDF

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Publication number
CN1049560C
CN1049560C CN 96109735 CN96109735A CN1049560C CN 1049560 C CN1049560 C CN 1049560C CN 96109735 CN96109735 CN 96109735 CN 96109735 A CN96109735 A CN 96109735A CN 1049560 C CN1049560 C CN 1049560C
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fruit
vegetables
fruits
water
present
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CN1148938A (zh
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尤美云
吴谋成
袁俊华
马志东
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Zhongkang Biotechnology Co., Ltd.
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KUH-SENG BIOCHEMICAL GROUP Co Ltd NEI MONGGOL
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Abstract

本发明为一种果蔬保鲜剂,含有苦豆子总生物碱0.05%-0.1%,SM-SG果品涂膜剂5%-11%,单硬酯酸甘油酯0.2-8%,其余量为水。配制方法是在搅拌下,将上述物质溶解于水配成均相,再用酸或碱调整pH值至7-9,即是果蔬保鲜剂。用其浸泡果蔬,可延长保存期、延缓失水和防止腐烂,保持果蔬原有的色、香、味,是一种无公害、无污染,对人体无残毒的天然植物型保鲜剂。

Description

果蔬保鲜剂
本发明是属于食品保鲜技术领域,尤其涉及一种含有苦豆子总生物碱、SM-SG果品涂膜剂、单硬酯酸甘油酯和水的果蔬保鲜剂。
我国地域广阔,气候条件相差很大,各种蔬菜、水果因地区不同成熟期不一致,为调节市场供应,需仓贮和长途运输,这就要求有优良的保鲜技术,以延长其保鲜期、降低失水率和烂果率。目前所用的保鲜剂种类很多,如多菌灵、托布津、联苯等有机杀菌剂、防腐剂,此外还有用塑料膜、软纸单果包装、辐射、低温、气调贮藏等方法进行保鲜,这些方法虽在一定程度上取得成功,但都存在着缺点,如使用有机杀菌剂和防腐剂保鲜,会在果蔬表皮上产生有机物残留,对人体有毒害;塑料薄膜能抑制果蔬失水,但易造成腐烂和异味;气调贮藏投资大,不易推广使用。
本发明的目的是针对目前果蔬保鲜存在的问题,提供一种既能保鲜、又无残毒、使用方便的无公害果蔬保鲜剂。
本发明的内容如下:
(1)原材料:
苦豆子总生物碱:为本申请人从苦豆子植物中提取的苦豆子总生物碱,为已进入市场的产品。
SM-SG果品涂膜剂,为四川日用化学研究所研制产品。
单硬酯酸甘油酯为市购产品。
(2)配方范围如下:
苦豆子总生物碱  0.05%-0.1%
SM-SG果品涂膜剂 5-11%
单硬酯酸甘油酯  0.2-8%
其余量为水。
(3)优选配方范围:
苦豆子总生物碱 0.05-0.01%
SM-SG果品涂膜剂2-3%
单硬酯酸甘油酯1-5%
其余量为水。
(4)配制工艺:
根据要保鲜的水果、蔬菜的种类不同,在上述配方范围内选取适当配方,按配方称取原材料,先用水溶解苦豆子总生物碱,在搅拌下分别加入SM-SG果品涂膜剂和单硬酯酸甘酒酯使形成均相,然后用稀盐酸或硫酸或NaOH调节PH值至7-9。灌装至包装瓶中。
本发明的保鲜剂的优点是:无残毒,符合天然无毒的绿色食品的要求,不仅能防止果实腐烂,还能通过调节果实内部的生理机能发挥更好的保鲜作用,保持果实水份,降低果实营养成分的消耗,推迟果实的衰老。苫豆子总生物碱作为保鲜剂便用简单适用,成本低,可大量推广。
实施例:
配方:
苦豆子总生物碱0.05%
SM-SG果品涂膜剂2%
单硬酯酸甘油酯3%
水94.95%。
将其按上述配制工艺配好,调节PH值到8,进行如下杀菌、保鲜实验。
柑桔贮藏病菌主要有青、绿霉菌,黑腐病和蒂腐病。为检验苦豆子总生物碱对柑桔病菌的抑制作用,首先进行如下试验,苦豆子总生物碱浓度按0.1%加到培养基中,接种各种细菌,37℃培养5天,测量菌落直径,每组三个重复,结果见表1。从表1可知:0.1%苦豆子总生物碱对柑桔青霉菌、柑桔根腐病菌、梨黑斑病菌有较好的抑制作用。
表1             抑菌试验
     培养基中加0.1%苦豆子总生物碱        对  照菌  类          菌落直径(CM)                菌落直径(CM)柑桔根腐病菌    2.8  2.8  2.3               4.5 4.5 4.5柑桔青霉菌      0.7  0.6  0.7               1.0 1.0 1.0梨黑腐病菌     生长,接种后变化不明显       生长旺盛西瓜枯萎病     稍有抑制                     生长旺盛梨黑斑病菌     明显抑制,菌落无变化         生长旺盛
选有代表性的名贵柑桔作保鲜试验,用上述保鲜液浸泡30-60秒后捞出,室温晾干,将清水浸泡者作为对照组,处理后预贮8天分组放入箱中,常温贮藏,每组选十个果称重,以计算其失水率;每组任选50个果观察记录腐烂果数,以统计烂果率。
两组果实随时间变化的失重率(%)变化如下表
表2           柑桔储藏期间的失重率(%)
        时间  10天  30天   60天  90天   120天 150天处理液本发明果蔬保鲜剂  1.89  3.77   8.59  13.80  18.03 22.86清      水        3.0   8.08  14.03  20.55  24.89 28.34
          表3 柑桔储藏期的烂果率统计(共50个果,%)
        时间  10天  30天  60天  90天  120天  150天处理液果蔬保鲜剂         0     0     2     4      6     6清      水         8     16    22    24     26    30
  表4  柑桔储藏期的VC含量变化(mg/100g)处理液    初始值  10天   30天   60天   90天  120天  150天果蔬保鲜剂       48.04  47.80  46.41  44.26  43.67  41.79
      47.11清水             46.63  45.64  42.62  38.98  35. 20 29.30
由表2,表3,表4可知,经本发明处理后的柑桔,在保存150天后平均失水率为22.86%,比对照减少20.18%,平均烂果率比对照降低了5倍,VC含量比对照高42.63%。
以上结果说明本发明果蔬保鲜剂,能很好地抑制柑桔腐烂、延长柑桔保存期,保持果实水分,提高柑桔作为商品的货架期,而且还能通过调节果实内部的生理机能,保持其原有的色、香、味。

Claims (1)

1、一种果蔬保鲜剂,其特征在于含有苦豆子总生物碱、SM-SG果品涂膜剂、单硬酯酸甘油酯和水,各组份的百分含量范围如下:
苦豆子总生物碱 0.05-0.07%
SM-SG果品涂膜剂   2-3%
单硬酯酸甘油酯    1-5%
其余量为水。
CN 96109735 1996-09-10 1996-09-10 果蔬保鲜剂 Expired - Fee Related CN1049560C (zh)

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CN1049560C true CN1049560C (zh) 2000-02-23

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Publication number Priority date Publication date Assignee Title
IL144058A (en) 2001-06-28 2006-10-05 Yaakov Lahav Composition for coating fruits, vegetables and fowl eggs, especially useful for organic produce
CN101036481B (zh) * 2007-03-24 2010-05-19 吴传万 一种果蔬天然保鲜剂及其制备方法

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