果胶污泥的基质化开发及其在育苗中的应用
Substrate development of pectin sludge and its application in seedling cultivation
叶楠 1王翘楚 1徐世豪 1于建兴 1洪基光 2李加友1
作者信息
- 1. 嘉兴学院 生物与化学工程学院, 浙江 嘉兴 314001
- 2. 象山华宇食品有限公司, 浙江 宁波 315700
- 折叠
摘要
柑橘罐头加工产生大量果胶污泥,利用高效菌株的快速腐解将果胶污泥转化成栽培基质,实现高持水难处理果胶污泥的资源化利用.结果表明,筛选的康宁木霉(Trichoderma koningii)LZ51 果胶酶活性达684 U·mL-1;将果胶污泥分别和秸秆、蛭石混合发酵制得秸秆果胶基质(M1)、蛭石果胶基质(M2),在红樱桃萝卜、大叶菠菜和四季香葱发芽和育苗过程中发现,M1 和 M2 的使用性能较蛭石基质(CK)均有显著提升.其中,M1 对 3 种蔬菜的发芽率较 CK平均提升 5%;在育苗阶段,M1 培育的樱桃红萝卜鲜重较 CK 增加 30%,培育的大叶菠菜鲜重较CK增加 50%.利用果胶污泥和秸秆混合发酵制备一种新型栽培基质,为罐头加工的果胶污泥资源化利用开辟一条新的利用途径,市场前景广阔.
Abstract
The processing of citrus canning produces a large amount of pectin sludge,which was converted into a cultivation substrate using the rapid putrefaction of efficient strains to achieve the resourceful utilisation of pectin sludge that is difficult to be treated with high water-holding capacity.The results showed that the pectinase activity of Trichoderma koningii LZ51 reached 684 U·mL-1;straw pectin substrate(M1)and vermiculite pectin substrate(M2)were produced by mixing and fermenting pectin sludge with straw and vermiculite,respectively,and it was found that the germination and seedling development of cherry red radish,large-leafed spinach and four-season chive were better than that under vermiculite substrate(CK)culture.both had significantly higher performance than vermiculite substrate(CK).In particular,M1 increased the germination rate of the three vegetables by an average of 5%compared with CK;at the seedling stage,M1 produced a 30%increase in fresh weight of cherry red radish compared with CK,and a 50%increase in the fresh weight of large-leaf spinach compared with CK.The use of pectin sludge and straw mixed fermentation to prepare a new type of cultivation substrate opens up a new utilisation pathway for the resourceful utilisation of pectin sludge from canning processing,which has a promising market prospect.
关键词
果胶污泥/基质发酵/果胶降解菌/育苗Key words
pectin sludge/substrate fermentation/pectin-degrading bacteria/seedling production引用本文复制引用
基金项目
浙江省自然科学基金公益项目(LGN22C200009)
象山县科技计划(2021XSX030002)
嘉兴学院大学生创新训练项目(CD8517211036)
出版年
2024
NETL
NSTL
维普
万方数据