黄芩提取物对芒果贮藏保鲜的研究_霍峰岩
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芒果低温贮藏的生理生化变化研究
李安妮;李明启
【期刊名称】《广东农业科学》
【年(卷),期】1993(000)006
【摘 要】低温(10℃)能明显抑制芒果果实的呼吸作用,延缓果皮颜色由绿转黄,但不能抑制果实碳水化合物的转化,因此贮藏期间果实在缓慢地成熟。硬绿期采收的果实贮藏约40天达到生理成熟。此时果实的可溶性糖含量与在常温下成熟的基本相同,果肉开始软化,但果皮保持绿色,含酸量亦较高,其它生理成分变化不显著。由于皮色及食用品质较差,因此经冷藏的芒果出库后必须经人工催熟,才能获得色,香,味俱全的商品果。
【总页数】2页(P16-17)
【作 者】李安妮;李明启
【作者单位】不详;不详
【正文语种】中 文
【中图分类】S667.709.3
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芒果涂膜保鲜研究
芒果涂膜保鲜研究
胡小军;蓝敏嫦;邱丽平;赖静方;李观娣
【期刊名称】《安徽农业科学》
【年(卷),期】2009(037)022
【摘要】[Objective ] The aim of research was to study the
preservation effects of mango with film coating. [Method]The
preservation effect of mango was preliminarily studied under the
normal temperature ( temperature 30 ℃, moisture 85%-90%) and
four preservative taking chitosan, potassium sorbate, sodium
alginate, CMC-Na as the main raw material was
prepared.[Result]The results showed that the best preservative
was compounded of Chitosan and potassium sorbate. The rate of
loss weight was only 14.78% when storaged 8 days. The rate of
unvarnished mango was 100.0% when vitamin C content was
22.84 mg/100 g. The highest value of total sugar content was in
the fifth days. [Conclusion]The best preservative was
compounded of Chitosan and potassium sorbate.%[目的]研究芒果涂膜保鲜效果.[方法]以壳聚糖、山梨酸钾、海藻酸钠、羧甲基纤维素钠为主要原料制备了4种保鲜剂,选取小台农芒果作为试验对象,研究其在常温下(温度30 ℃,湿度为85%~90%)对芒果的初步保鲜效果.[结果]以壳聚糖添加山梨酸钾复合而成的保鲜剂对芒果保鲜效果最佳,贮藏第8天时的失重率为14.78%,好果率为100.0%,维生素C含量为22.84
食品保鲜 食品研究与开发
23种中草药提取物对芒果炭疽病菌
的抑制作用研究 123===。。
施瑞城’。李婷1l2。侯晓东1I2。钟考全,。张宇曦,
(1.华南热带农业大学理工学院,海南儋州571737;2.华南热带农业大学研究生学院,海南儋州571737)
摘要:探讨了23种中草药提取物对芒果炭疽病菌的抑制作用,结果表明:丁香和黄芩2种中草药的提取物对芒果 炭疽病菌具有很好的抑制作用,而夏枯草、紫草、艾叶和白茅根对炭疽病茵的生长具有促进作用。试验同时得出丁香 提取物随浓度的降低,抑茵作用逐渐下降;而黄芩提取物浓度变化对抑茵作用没有明显影响。通过紫外一可见吸收光 谱分析得知,丁香提取物中主要成分可能为丁香酚,黄芩提取物中主要成分可能为黄芩甙。 关键词:中草药;芒果;炭疽病菌;抑制作用
INHIBITION 0N C0LLE7 7R』C日UM GL0E f RIOIDES PENZ.FROM 23 KI DS OF EXTRAC I FROM HERBS SHI Rui—cheng ,LI Ting HOU Xiao-dong ,ZHONG Kao-quan ,ZHANG YH-xi (1.College ofScience Engineering,South China University ofTropical Agriculture,Danzhou 571737,Hainan,China;
2.College of Graduated,South China University of Tropical Agriculture,Danzhou 571737,Hainan,China)
Abstract:The inhibition on Colletotrichum gloeosporioides Penz.of extracts from 23 kinds of Chinese herbs were
—===152 2011年8月 第32卷第8期 食品研究舄并麓 Food Research And 1)evelooment 贮藏保鲜
高良姜提取物一海藻酸钠涂膜保鲜芒果的研究 江敏,胡小军,赖静方。李观娣 (湛江师范学院化学科学与技术学院』 东高校新材料工程技术开发中心,广东湛江524048) 摘要:以高良姜提取物,海藻酸钠为主要原料制备涂膜剂,在常温(温度为28℃~3O ,湿度为85%~90%)下对象牙 芒果进行保鲜实验,同时做空白实验和壳聚糖涂膜的阳性对照。实验结果表明高良姜提取物一海藻酸钠复合涂膜剂 保鲜芒果综合效果强于空白组而弱于壳聚糖对照组。经高良姜提取物一海藻酸钠复合涂膜处理后,在常温条件下贮 藏10 d,失重率为11.13%,好果率为87.5%,V :的含量为I1.64 rag/1O0 g,可溶性固形物含量为20%,可滴定酸的含量为 0.448%,总糖含量的最高值出现在第6天。 关键词:芒果;高良姜;海藻酸钠;保鲜 Effect of Coating with Galangal Extract—‘Sodium Alginate on Mango Fruit during Storage at Room Temperature JIANG Min,HU Xiao-jun,LAI Jing-fang,LI Guan-di (Chemistry Science and Technology School,Zhanjiang Normal University,Development Center for New Materials Engineering&Technology in Universities of Guangdong,Zhanjiang 524048,Guangdong,China) Abstract:The preservation effect of Ivory mangoes was studied by coating with galangal extract——sodium alginate at room temperature(temperature 28 c《=一30℃,humidity for 85%一90%).At the same time,blank experiment and control experiment of chitosan coating were operated.The experiments showed that the preservation effect of galangal extraet—sodium alginate was better than blank experiment,but worse than control experimentof ehitosan coating.After 1 0 days,loss weigh rate of。mango was 1 1.1 3%;unvarnished rate was 87.5%; Vitamin C content was 1 1.64 mg/1O0 g;total soluble solids content was 20%;titratable acidity content was 0.448%:the highest value of total sugar content was in sixth days when mango was dealed with compound coating of alangal extract and sodium alginate. Key words:mango;galangal;sodium alginate;preservation