CN106576625A - 一种中药材党参的仓储保护方法 - Google Patents
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Abstract
本发明公开了一种中药材党参的仓储保护方法,属于中药材仓储领域,以解决党参仓储过程中变质的问题。它包括以下步骤:A、在党参种植地面喷施1.5~2升的剂量叶面喷施微紫青霉(Penicillium janthinellum,CCTCC AF 93078)菌丝和印度谷螟幼虫的盐酸水煮液;B、将喷施上述水煮液的党参采收,抽真空,再进行微波处理;C、将党参药材取出,浸入酿酒酵母(Saccharomyces cerevisiae,CCTCC AY 204008)、单宁酸和乙酰化淀粉的均质液中1~2秒后取出。本发明的方法操作处理后效果持久稳定,克服了气调贮藏和低温贮藏成本高的缺陷,所用材料安全,环境友好,效果持久,操作易于标准化,操作成本较低。
Description
技术领域
本发明属于中药材仓储领域,尤其涉及一种中药材党参仓储期间减轻品质劣变的方法。
背景技术
党参是重要的中药材资源,也是产区农民增收的主要的经济作物之一。和大多数中药材一样, 党参自身的生长采收周期通常比其他作物要长,加上市场销售价格的波动性,党参生产通常面临多种不确定因素带来的经济效益风险。由于受产地中药材的采后处理和初加工技术发展的影响,党参药材销售主要以原药为主,市场大多受外地客户和资本的操控,市场信号波动大,党参种植缺乏相对稳定的市场环境,严重影响产业的健康稳步发展。
药材党参生产的长周期和药材市场短期信号通常存在矛盾,解决这一矛盾的有效措施之一就是通过产地初加工和发展有效仓储来主动调节药材市场的流通供应,从而有效防止市场价格的震荡以维护产业的健康稳定发展。发展药材党参的有效仓储可以解决和调节市场短期供应的能力强,还可以调控不利的年份生产气候条件对市场供应量的影响,有效避免丰产年和歉收年药材市场供应的巨大波动,维护药材产业市场的繁荣;保护药材生产者的利益和促进中药材产业的可持续发展。
党参仓储过程中保护不当极易发生虫蛀、霉变、氧化陈化、出油和变色等问题。上述现象的发生严重影响药材的内在品质和质量,也会给党参的生产和流通造成巨大的经济损失。目前用具有“三致效应”的磷化铝等强效药物熏蒸或利用硫磺反复熏蒸是解决和防止虫蛀的最主要手段。这些熏蒸剂所具有的“三致效应”等对人体有害的作用是现有技术的最大缺陷;而且这些技术的效果缺乏持久性,只有定期反复使用才可达到预期的控制效果。而气调储藏和低温储藏等技术尽管可以在一定程度上改善储藏效果,但是仍然无法长效地解决储藏变质的问题,且其高成本的缺陷阻碍了这些技术的普及和应用。因此,寻找对人体健康和环境都友好的替代性长效技术已成为中药材党参产业健康发展亟待解决的问题。
发明内容
本发明的目的是提供一种中药材党参的仓储保护方法,以解决党参仓储过程中变质的问题。
本发明技术方案如下:一种中药材党参的仓储保护方法,包括以下步骤:
A、在党参采挖前30~40天,以每百平米党参种植地面喷施1.5~2升的剂量叶面喷施微紫青霉(Penicillium janthinellum, CCTCC AF 93078)菌丝和印度谷螟幼虫的盐酸水煮液;
B、将喷施上述水煮液的党参采收,整洁,清洗沥干,晾晒至含水量为14~15%时,将党参药材装入聚丙烯真空包装袋中,抽真空至5~6Kpa,维持10~15分钟,然后依次以体积质量比为0.02~0.04‰3-辛酮,体积质量比为0.04~0.08‰3-辛醇和体积质量比为30~60‰的NO填充该真空包装袋,最后用CO填充该真空包装袋至等大气压,微波处理;
C、将党参药材取出,浸入酿酒酵母(Saccharomyces cerevisiae,CCTCC AY 204008)、单宁酸和乙酰化淀粉的均质液中1~2秒后取出。
做为本发明的进一步改进,所述步骤A中的微紫青霉菌丝和印度谷螟幼虫的盐酸水煮液是将质量含量为2~5%微紫青霉菌丝体和质量含量为5~7%的印度谷螟幼虫的0.1当量盐酸水在121℃高压下蒸煮30分钟后,用纯水稀释50倍所得。
做为本发明的进一步改进,所述步骤B真空包装后用2.45GHz, 1KW/KG 微波处理7~10秒。
做为本发明的进一步改进,所述步骤C中的均质液的制备具体过程为,在75Mpa,5分钟和150Mpa,5分钟两段高压下,均质含6~8%酿酒酵母纯水悬浮液,并将该均质液稀释10倍,往该稀释液中添加单宁酸和乙酰化淀粉,使单宁酸的浓度达到0.1~0.3%,使乙酰化淀粉的浓度达到0.8~1%,最后在50Mpa压力下均质2分钟得到。
做为本发明的进一步改进,经过步骤C处理后的党参晾晒至水分含量达到14%时,装入无纺布袋仓储即可有效保护该药材的仓储品质,显著减轻药材变质现象的发生。
本发明所用的微紫青霉(Penicillium janthinellum, CCTCC AF 93078)和酿酒酵母(Saccharomyces cerevisiae,CCTCC AY 204008)均购自中国典型培养物保藏中心,所用印度谷螟幼虫来自发生虫蛀的药材党参。
本发明与现有技术相比具有以下优点:
1、本发明的方法操作处理后效果持久稳定,克服了现有的熏蒸技术效果短暂,须进行阶段性反复处理的不足和由此造成熏蒸剂残留超标造成对人健康的“三致效应”的明显的技术缺陷。
2、本发明的方法克服了气调贮藏和低温贮藏成本高的缺陷,所用材料安全,环境友好,效果持久,操作易于标准化,操作成本较低。
具体实施方式
实施例1
在党参采挖前30天以每百平米党参种植地面喷施1.5升的剂量叶面喷施微紫青霉(Penicillium janthinellum, CCTCC AF 93078)菌丝和印度谷螟幼虫的盐酸水煮液,该水煮液是将含2%(g/ml)微紫青霉菌丝体和5%(g/ml)印度谷螟幼虫的0.1当量盐酸水121℃高压蒸煮30分钟后纯水稀释50倍所得;
将喷施上述水煮液的党参采收,整洁,清洗沥干,晾晒至含水量为14%时,将党参药材装入聚丙烯真空包装袋中,抽真空至5Kpa,维持10分钟,然后依次以0.02‰(ml/g)3-辛酮,0.04‰(ml/g)3-辛醇和30‰(ml/g)NO填充该真空包装袋,最后CO填充该真空包装袋至等大气压,2.45GHz, 1KW/KG 微波处理7秒;
将党参药材取出,浸入酿酒酵母(Saccharomyces cerevisiae,CCTCC AY 204008)、单宁酸和乙酰化淀粉的均质液中1秒后取出。其中的均质液是在75Mpa,5分钟和150Mpa,5分钟两段高压均质含6%酿酒酵母纯水悬浮液并将该均质液稀释10倍,往该稀释液中添加单宁酸和乙酰化淀粉直至浓度分别达到0.1%和0.8%,后在50Mpa均质2分钟得到的。经过上述处理后的中药材党参晾晒至水分含量达到14%时装入无纺布袋仓储。
实施例2 在党参采挖前34天以每百平米党参种植地面喷施1.8升的剂量叶面喷施微紫青霉(Penicillium janthinellum, CCTCC AF 93078)菌丝和印度谷螟幼虫的盐酸水煮液,该水煮液是将含2.5%(g/ml)微紫青霉菌丝体和5.9%(g/ml)印度谷螟幼虫的0.1当量盐酸水121℃高压蒸煮30分钟后纯水稀释50倍所得;将喷施上述水煮液的党参采收,整洁,清洗沥干,晾晒至含水量为14.6%时,将党参药材装入聚丙烯真空包装袋中,抽真空至5.5Kpa,维持13分钟,然后依次以0.03‰(ml/g)3-辛酮,0.06‰(ml/g)3-辛醇和36‰(ml/g)NO填充该真空包装袋,最后CO填充该真空包装袋至等大气压,2.45GHz, 1KW/KG 微波处理8秒,将党参药材取出,浸入酿酒酵母(Saccharomyces cerevisiae,CCTCC AY 204008)、单宁酸和乙酰化淀粉的均质液中1.2秒后取出。其中的均质液是在75Mpa,5分钟和150Mpa,5分钟两段高压均质含6.5%酿酒酵母纯水悬浮液并将该均质液稀释10倍,往该稀释液中添加单宁酸和乙酰化淀粉直至浓度分别达到0.2%和0.85%,后在50Mpa均质2分钟得到的。经过上述处理后的中药材党参晾晒至水分含量达到14%时装入无纺布袋仓储。
实施例3 在党参采挖前38天以每百平米党参种植地面喷施2升的剂量叶面喷施微紫青霉(Penicillium janthinellum, CCTCC AF 93078)菌丝和印度谷螟幼虫的盐酸水煮液,该水煮液是将含4%(g/ml)微紫青霉菌丝体和6.5%(g/ml)印度谷螟幼虫的0.1当量盐酸水121℃高压蒸煮30分钟后纯水稀释50倍所得;将喷施上述水煮液的党参采收,整洁,清洗沥干,晾晒至含水量为14.2%时,将党参药材装入聚丙烯真空包装袋中,抽真空至5.9Kpa,维持11.5分钟,然后依次以0.035‰(ml/g)3-辛酮,0.07‰(ml/g)3-辛醇和50‰(ml/g)NO填充该真空包装袋,最后CO填充该真空包装袋至等大气压,2.45GHz, 1KW/KG 微波处理7.5秒,将党参药材取出,浸入酿酒酵母(Saccharomyces cerevisiae,CCTCC AY 204008)、单宁酸和乙酰化淀粉的均质液中1.8秒后取出。其中的均质液是在75Mpa,5分钟和150Mpa,5分钟两段高压均质含7%酿酒酵母纯水悬浮液并将该均质液稀释10倍,往该稀释液中添加单宁酸和乙酰化淀粉直至浓度分别达到0.25%和0.9%,后在50Mpa均质2分钟得到的。经过上述处理后的中药材党参晾晒至水分含量达到14%时装入无纺布袋仓储。
实施例4 在党参采挖前31天以每百平米党参种植地面喷施1.65升的剂量叶面喷施微紫青霉(Penicillium janthinellum, CCTCC AF 93078)菌丝和印度谷螟幼虫的盐酸水煮液,该水煮液是将含3.6%(g/ml)微紫青霉菌丝体和5.5%(g/ml)印度谷螟幼虫的0.1当量盐酸水121℃高压蒸煮30分钟后纯水稀释50倍所得;将喷施上述水煮液的党参采收,整洁,清洗沥干,晾晒至含水量为14.5%时,将党参药材装入聚丙烯真空包装袋中,抽真空至5.2Kpa,维持14分钟,然后依次以0.028‰(ml/g)3-辛酮,0.075‰(ml/g)3-辛醇和55‰(ml/g)NO填充该真空包装袋,最后CO填充该真空包装袋至等大气压,2.45GHz, 1KW/KG 微波处理8.5秒,将党参药材取出,浸入酿酒酵母(Saccharomyces cerevisiae,CCTCC AY204008)、单宁酸和乙酰化淀粉的均质液中1.5秒后取出。其中的均质液是在75Mpa,5分钟和150Mpa,5分钟两段高压均质含7.5%酿酒酵母纯水悬浮液并将该均质液稀释10倍,往该稀释液中添加单宁酸和乙酰化淀粉直至浓度分别达到0.15%和0.95%,后在50Mpa均质2分钟得到的。经过上述处理后的中药材党参晾晒至水分含量达到14%时装入无纺布袋仓储。本实施例效果最好。
实施例5在党参采挖前40天以每百平米党参种植地面喷施2升的剂量叶面喷施微紫青霉(Penicillium janthinellum, CCTCC AF 93078)菌丝和印度谷螟幼虫的盐酸水煮液,该水煮液是将含5%(g/ml)微紫青霉菌丝体和7%(g/ml)印度谷螟幼虫的0.1当量盐酸水121℃高压蒸煮30分钟后纯水稀释50倍所得;将喷施上述水煮液的党参采收,整洁,清洗沥干,晾晒至含水量为15%时,将党参药材装入聚丙烯真空包装袋中,抽真空至6Kpa,维持15分钟,然后依次以0.04‰(ml/g)3-辛酮,0.08‰(ml/g)3-辛醇和60‰(ml/g)NO填充该真空包装袋,最后CO填充该真空包装袋至等大气压,2.45GHz, 1KW/KG 微波处理10秒,将党参药材取出,浸入酿酒酵母(Saccharomyces cerevisiae,CCTCC AY 204008)、单宁酸和乙酰化淀粉的均质液中2秒后取出。其中的均质液是在75Mpa,5分钟和150Mpa,5分钟两段高压均质含8%酿酒酵母纯水悬浮液并将该均质液稀释10倍,往该稀释液中添加单宁酸和乙酰化淀粉直至浓度分别达到0.3%和1%,后在50Mpa均质2分钟得到的。经过上述处理后的中药材党参晾晒至水分含量达到14%时装入无纺布袋仓储。
实施例6在党参采挖前35天以每百平米党参种植地面喷施1.9升的剂量叶面喷施微紫青霉(Penicillium janthinellum, CCTCC AF 93078)菌丝和印度谷螟幼虫的盐酸水煮液,该水煮液是将含4.8%(g/ml)微紫青霉菌丝体和6%(g/ml)印度谷螟幼虫的0.1当量盐酸水121℃高压蒸煮30分钟后纯水稀释50倍所得;将喷施上述水煮液的党参采收,整洁,清洗沥干,晾晒至含水量为14.8%时,将党参药材装入聚丙烯真空包装袋中,抽真空至5.8Kpa,维持12分钟,然后依次以0.04‰(ml/g)3-辛酮,0.05‰(ml/g)3-辛醇和48‰(ml/g)NO填充该真空包装袋,最后CO填充该真空包装袋至等大气压,2.45GHz, 1KW/KG 微波处理9秒,将党参药材取出,浸入酿酒酵母(Saccharomyces cerevisiae,CCTCC AY 204008)、单宁酸和乙酰化淀粉的均质液中1.6秒后取出。其中的均质液是在75Mpa,5分钟和150Mpa,5分钟两段高压均质含6.8%酿酒酵母纯水悬浮液并将该均质液稀释10倍,往该稀释液中添加单宁酸和乙酰化淀粉直至浓度分别达到0.18%和0.93%,后在50Mpa均质2分钟得到的。经过上述处理后的中药材党参晾晒至水分含量达到14%时装入无纺布袋仓储。
试验例
为了评价本发明的技术效果,进行不同贮藏条件下药材党参发生霉变、虫蛀、氧化陈化、出油和变色的发生情况。药材党参在贮藏当年(10月份采收)不发生上述变质现象, 而在次年未作任何处理的党参会发生不同程度的霉变和虫蛀,蛀虫会完全吃空党参,所以吃空后的党参再做任何品质评价毫无意义;而次年3月份和8月份两次硫磺熏蒸的药材党参可以仓储至第三年,但明显出现氧化陈化、出油和变色等变质现象。因为硫磺反复熏蒸可以控制药材党参的霉变和虫蛀,但是过度反复熏蒸则既会造成硫严重超标也会破坏药材的内在品质。基于上述仓储现实情况,在评价该发明的技术效果时,通过该发明方法处理的药材党参与未处理的药材党参的自然温湿度仓储试验和模拟温度湿度仓储试验来评价该发明技术的霉变和虫蛀的防止效果;通过该发明方法处理的药材党参与次年3月份和8月份两次硫磺熏蒸并仓储至第三年时的药材党参比较氧化陈化、出油和变色等变质现象发生的情况。
以未进行发明所述技术处理的药材党参为未处理对照组,单纯以2.45GHz, 1kw/kg微波处理10秒的党参为微波处理对照组;以通过次年3月份和8月份进行两次传统硫磺熏蒸而仓储至第三年的药材党参为硫磺熏蒸对照组;所有对照组药材党参的起始含水量均为14%。实施例1,2,3,4,5和6处理的党参为处理组。将上述不同组别的党参分别装入无纺布袋中,每袋装1kg,处理组和对照组每组重复5袋。分析比较不同组别在自然温湿度条件下霉变、虫蛀、氧化陈化、出油和变色的发生情况,其中对于霉变和虫蛀的控制效果还进行了模拟温湿度仓储试验。
1.自然温湿度贮藏试验:以未进行发明所述的处理的药材党参为未处理对照组,以实施例1,2,3,4,5和6处理的党参为处理组,观察在自然温度和湿度下霉变和虫蛀情况。将党参按照对照组和试验组的不同处理分别装入无纺布袋中,每袋装1kg,五个重复。将不同的上述样品相互隔离于当年11月份储放在事先作过消毒和清洁处理的常温仓库。每隔七天观察记录一次样品的霉变和虫蛀发生情况。统计样品未发生霉变的周数和未发生虫蛀的周数,计算平均数±标准偏差,通过差异性分析评价处理的技术效果。
实验结果见表1(本发明实施例处理与未处理对照的常温常湿贮藏效果比较)。
表1结果显示,本发明的技术处理对党参进行处理后,显著提高了党参的安全贮藏时间,起到了有效防虫防霉的功效。试验观察到在正常的贮藏条件下,未处理的对照组,贮藏至次年均先后发生霉变和虫蛀现象;而本发明的技术处理的样品均能在此年实现安全贮藏,而且观察到贮藏至第三年时,尽管处理样品发生霉变和虫蛀现象,但其进展速度和发生程度远低于对照组在贮藏至次年时的情况。
2. 模拟温度湿度试验:为消除冬季低温等不利于药材霉变和虫蛀的因素的影响,进一步验证该发明的技术效果,特进行模拟温度湿度试验。以未进行发明所述的处理的药材党参为未处理对照组,以实施例1,2,3,4,5和6处理的党参为处理组。将党参按照对照组和试验组的不同处理分别装入无纺布袋中,每袋装1kg,五个重复。将不同的样品组分组隔离放置于恒温恒湿培养箱,控制温度37℃,湿度75%,以此模拟霉菌最适生长条件和较理想的蛀虫生长条件。每隔1天观察记录一次样品的霉变和虫蛀发生情况。统计样品未发生霉变的天数和未发生虫蛀的天数,计算平均数±标准偏差,通过差异性分析来进一步评估发明的技术效果。实验结果见表2(本发明实施例处理与未处理对照在模拟温度和湿度下的贮藏效果比较)。
在模拟温度和湿度下的贮藏效果试验结果显示,在此条件下,对照和处理均较在自然条件下贮藏其发生霉变和虫蛀的时间明显缩短,但是对照和处理组之间依然存在显著性差异。说明在霉菌的生长最适温度和湿度条件下,本发明处理具有显著的防霉效果。此条件也是党参蛀虫的较适生长条件,但处理也对其具有显著的防控效果。
3. 药材氧化陈化的控制效果试验:中药材氧化陈化是仓储过程中由于受到空气氧或其他强氧化剂的地氧化破坏而引起的药材内在品质整体劣变的综合表现。随着氧化陈化的发生,药材各组分整体的抗氧化能力下降,这一现象在长时间贮藏或硫磺等强氧化剂处理过的药材中发生比较明显。通过比较该发明方法处理的药材党参与在次年3月份和8月份两次硫磺熏蒸的药材党参在仓储至第90周时药材乙醇提取物的抗氧化能力的水平来评定其氧化陈化发生的程度。用100ml 95%的乙醇浸提10g粉碎药材党参30分钟,过滤液减压浓缩至10ml,参考Benzie等的方法进行FRAP抗氧化能力的测定。取0.2 mL该乙醇提取液,加入2.8 mLTPTZ(2,4,6-三(2-吡啶基)三嗪) 溶液工作液,混匀后室温避光静止反应30 min,于593 nm波长下测其吸光度值,并以0.2 mL95%的乙醇代替提取液作为空白对照。乙醇提取物抗氧化能力以每千克药材党参所含的Trolox当量。通过处理组与对照组乙醇提取物抗氧化能力的Trolox当量的值分析药材党参发生氧化陈化的程度。实验结果见表3(本发明实施例处理组与硫磺熏蒸对照组在氧化陈化、出油和变色的情况比较)。
4. 药材出油和变色现象的控制效果试验:通过感官评定比较该发明方法处理的药材党参与在次年3月份和8月份两次硫磺熏蒸的药材党参在仓储至第90周时出油和变色现象发生的程度。参考Saxena 等的方法,采用5分制模型。评价小组成员由20名经过培训的实验室科研人员组成,每个评价指标的分数分配均由非常好(5)至不好(1),感官评价表如表4。将不同处理的药材党参用数字随机编号后,分配给测评小组的20成员,根据个人认可对样品进行打分,最后收集所有成员的评分表进行计算,得出每个样品所得的平均分±标准偏差。
药材氧化陈化的控制效果试验表明该发明的技术处理较传统的硫磺处理能明显减轻药材党参得仓储氧化陈化(P<0.05,差异显著),使药材党参保留更高水平的抗氧化能力(Trolox当量)。而在仓储药材党参的出油方面本发明的技术处理与传统的两次硫磺熏蒸处理都能有效防止出油现象的发生,均达到几乎不出油的感官评价标准,但本发明的技术处理与传统的两次硫磺熏蒸处理的效果差异不显著。在防止药材党参变色方面,本发明的技术处理的党参较传统硫磺熏蒸的党参在药材色泽方面优势明显,感官评价试验的结果表明该发明技术处理的药材党参表面有光泽,接近当年党参的颜色,而两次硫磺熏蒸的药材党参受到硫磺氧化的作用而显得陈旧无光泽,明显有品质劣变的特点。
5. 简单微波处理的效果评价试验:为评价简单微波处理对仓储药材党参霉变何虫蛀方面的保护作用,特设计单纯以2.45GHz,1kw/kg微波处理10秒的党参为微波对照组,实施例1,2,3,4,5和6处理的党参为处理组。观察在自然温度和湿度下霉变和虫蛀情况。将党参按照对照组和试验组的不同处理分别装入无纺布袋中,每袋装1kg,五个重复。将不同的上述样品相互隔离于当年11月份储放在事先作过消毒和清洁处理的常温仓库。每隔七天观察记录一次样品的霉变和虫蛀发生情况。统计样品未发生霉变的周数和未发生虫蛀的周数,计算平均数±标准偏差,通过差异性分析评价处理的技术效果。实验结果见表5(本发明实施例处理与微波对照组的常温常湿贮藏效果比较)。
简单微波处理的效果评价试验结果证明,与单纯以2.45GHz,1kw/kg微波处理10秒的药材党参的微波对照组,实施例1,2,3,4,5和6处理的党参的所有处理组均与微波对照组有显著差异(P<0.05)。结合未处理对照组的自然温湿度贮藏试验进行比较,单纯以2.45GHz,1kw/kg微波处理10秒的药材党参的微波对照组与未处理对照组差异不显著(表1和表5),说明单纯的微波处理不能有效防护药材党参在仓储期的霉变和虫蛀的发生。
Claims (5)
1.一种中药材党参的仓储保护方法,其特征在于包括以下步骤:
A、在党参采挖前30~40天,以每百平米党参种植地面喷施1.5~2升的剂量叶面喷施微紫青霉(Penicillium janthinellum, CCTCC AF 93078)菌丝和印度谷螟幼虫的盐酸水煮液;
B、将喷施上述水煮液的党参采收,整洁,清洗沥干,晾晒至含水量为14~15%时,将党参药材装入聚丙烯真空包装袋中,抽真空至5~6Kpa,维持10~15分钟,然后依次以体积质量比为0.02~0.04‰3-辛酮,体积质量比为0.04~0.08‰3-辛醇和体积质量比为30~60‰的NO填充该真空包装袋,最后用CO填充该真空包装袋至等大气压,微波处理;
C、将党参药材取出,浸入酿酒酵母(Saccharomyces cerevisiae,CCTCC AY 204008)、单宁酸和乙酰化淀粉的均质液中1~2秒后取出。
2.根据权利要求1所述的一种中药材党参的仓储保护方法,其特征在于:
所述步骤A中的微紫青霉菌丝和印度谷螟幼虫的盐酸水煮液是将质量含量为2~5%微紫青霉菌丝体和质量含量为5~7%的印度谷螟幼虫的0.1当量盐酸水在121℃高压下蒸煮30分钟后,用纯水稀释50倍所得。
3.根据权利要求1或2所述的一种中药材党参的仓储保护方法,其特征在于:
所述步骤B真空包装后用2.45GHz, 1KW/KG 微波处理7~10秒。
4.根据权利要求3所述的一种中药材党参的仓储保护方法,其特征在于:
所述步骤C中的均质液的制备具体过程为,在75Mpa,5分钟和150Mpa,5分钟两段高压下,均质含6~8%酿酒酵母纯水悬浮液,并将该均质液稀释10倍,往该稀释液中添加单宁酸和乙酰化淀粉,使单宁酸的浓度达到0.1~0.3%,使乙酰化淀粉的浓度达到0.8~1%,最后在50Mpa压力下均质2分钟得到。
5.根据权利要求4所述的一种中药材党参的仓储保护方法,其特征在于:经过步骤C处理后的党参晾晒至水分含量达到14%时,装入无纺布袋仓储。
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