漆蜡复配涂膜保鲜剂的制备及抗菌、保鲜作用研究

doi:10.3969/j.issn.0253-2417.2019.03.017

林产化学与工业 ›› 2019, Vol. 39 ›› Issue (3): 123-128.doi: 10.3969/j.issn.0253-2417.2019.03.017

• 研究报告 • 上一篇

漆蜡复配涂膜保鲜剂的制备及抗菌、保鲜作用研究

薛兴颖^1,³,周昊^1,²,张昌伟^1,²,陈虹霞^1,²,王成章^1,^3,*()

1. 中国林业科学研究院林产化学工业研究所; 生物质化学利用国家工程实验室; 国家林业和草原局林产化学工程重点实验室; 江苏省生物质能源与材料重点实验室; 江苏南京 210042
2. 中国林业科学研究院林业新技术研究所, 北京 100091
3. 南京中森生物科技有限公司, 江苏南京 210042

收稿日期:2018-12-21 出版日期:2019-06-28 发布日期:2019-06-26
通讯作者: 王成章 E-mail:wangczlhs@sina.com
作者简介:薛兴颖(1994-),女,安徽滁州人,研究实习员,硕士,主要从事天然产物的研究与开发
基金资助:
中国林科院中央级公益性科研院所基本科研业务费专项资金(CAFYBB2018ZB009)

Preparation, Antibacterial Activity and Preservation of Lacquer Wax Composite Coating Preservative

Xingying XUE^1,³,Hao ZHOU^1,²,Changwei ZHANG^1,²,Hongxia CHEN^1,²,Chengzhang WANG^1,^3,*()

1. Institute of Chemical Industry of Forest Products, CAF; National Engineering Lab. for Biomass Chemical Utilization; Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration; Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China
2. Research Institute of Forestry New Technology, CAF, Beijing 100091, China
3. Nanjing Zhongsen Biological Technology Co., Ltd., Nanjing 210042, China

Received:2018-12-21 Online:2019-06-28 Published:2019-06-26
Contact: Chengzhang WANG E-mail:wangczlhs@sina.com
Supported by:
中国林科院中央级公益性科研院所基本科研业务费专项资金(CAFYBB2018ZB009)

摘要/Abstract

摘要：

在12%的漂白紫胶溶液中加入精制漆蜡乳液制备漆蜡复配涂膜保鲜剂，测试了其抑菌性能，并用于柑桔的涂膜保鲜。通过考察复配涂膜保鲜剂的稳定性，得到漆蜡复配涂膜保鲜剂的主要制备条件为：紫胶12%，漆蜡加入量1%~3%，搅拌速度900 r/min，分散时间15 min。抑菌性能测试结果表明：当复配液中漆蜡加入量为2%时，复配涂膜液对金黄色葡萄球菌、枯草芽孢杆菌和表皮葡萄球菌的抑菌性能最佳，抑菌率分别为24.3%、26.5%和25.2%，且较单一紫胶溶液抑菌率（17.3%、16.3%和15.5%）分别提高了40.5%、62.6%和62.6%。该复配保鲜剂对柑橘具有明显的保鲜效果，有效地延长了果实的贮藏保鲜期，经复配涂膜保鲜剂处理的柑橘室温储藏20天，其腐烂指数仅1.0%，储藏60天后，其腐烂指数为10.0%，较空白对照组（38.4%）和紫胶涂膜处理组（18.6%）分别降低了28.4和8.6个百分点，差异极显著（P < 0.01）。

关键词: 漆蜡, 紫胶, 抗菌性, 保鲜

Abstract:

Lacquer wax composite coating preservatives were made by adding different amounts of lacquer wax into 12% bleached shellac and used for the preservation of ponkan, and the antibacterial test of the preservatives was carried out as well. By investigating the stability of coating film, the optimized preparation conditions of lacquer wax composite coating wax were as follows:12.0% shellac, 1%-3% lacquer wax, stirring speed of 900 r/min, and dispersing time of 15 min. The results of antibacterial test showed that the antibacterial effects of the composite coating film on Staphylococcus aureus, Bacillus subtilis and Staphylococcus epidermidis were the best under the conditions of the amount of lacquer wax 2%, and the inhibitory rates were 24.3%, 26.5% and 25.2%, respectively, which were higher than those of the shellac coating(the inhibition rates increased by 40.5%, 62.6% and 62.6%, respectively). The composite coating film displayed obvious preservation effects on the ponkan and effectively prolonged the preservation period. After storage for 20 days at room temperature, the rot rate of the samples treated by composite coating was only 1.0%. When the treated ponkan were stored for 60 d, the rot rate of treated samples was 10.0%, compared with the blank control(38.4%) and shellac coating samples(18.6%), the rot rate was lower by 28.4 and 8.6 percent point, respectively(P < 0.01).

Key words: lacquer wax, shellac, antibacterial activity, preservation

中图分类号:

TQ35
TS255.3

薛兴颖,周昊,张昌伟,陈虹霞,王成章. 漆蜡复配涂膜保鲜剂的制备及抗菌、保鲜作用研究[J]. 林产化学与工业, 2019, 39(3): 123-128.

Xingying XUE,Hao ZHOU,Changwei ZHANG,Hongxia CHEN,Chengzhang WANG. Preparation, Antibacterial Activity and Preservation of Lacquer Wax Composite Coating Preservative[J]. Chemistry and Industry of Forest Products, 2019, 39(3): 123-128.

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漆蜡加入量/% the amount of lacquer wax	色泽 color	稳定性(静置2 d) stabilization
0.5	半透明淡棕色乳液translucent light brown emulsion	稍分层slightly layered
1~3	半透明淡棕色乳液translucent light brown emulsion	不分层not layered
≥4	棕灰色乳液brown grey emulsion	不分层not layered

菌种 strain	漆蜡加入量/% the amount of lacquer wax	抑菌圈直径/mm inhibition zone diameter	抑菌率/% inhibitory rate
金黄色葡萄球菌S. aureus	0 1 2 3	13.0±0.1 13.8±0.1 18.2±0.1 17.8±0.1	17.3 18.4 24.3 23.7
枯草芽孢杆菌B. subtilis	0 1 2 3	12.3±0.1 13.7±0.1 20.1±0.1 20.3±0.1	16.3 18.1 26.5 26.7
表皮葡萄球菌S. epidermidis	0 1 2 3	11.5±0.1 14.2±0.1 18.8±0.1 19.1±0.1	15.5 19.1 25.2 25.6

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漆蜡复配涂膜保鲜剂的制备及抗菌、保鲜作用研究

Preparation, Antibacterial Activity and Preservation of Lacquer Wax Composite Coating Preservative

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