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Easy method of indigo dyeing by fermentation

靛蓝发酵染色的简便方法

基本信息

批准号：
11680122
负责人：
USHIDA Satoshi
金额：
$ 0.32万
依托单位：
Mukogawa Women's University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
1999
资助国家：
日本
起止时间：
1999 至 2000
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-11680122/
关键词：
natural dye indigo indigo dyeing fermentation vat indican microorganism 好アルカリ性微生物

项目摘要

People who grows Polygonum tinctorium, Japanese indigo plant, personally is increasing. When the fresh leaves of Polygonum can be obtained one can dye silk fabrics with the leaves directly. Usually indigo dyeing is performed by reducing Japanese natural indigo called sukumo under alkaline conditions in the fermentation vat. However technique to make sukumo and to reduce indigo are very difficult. In the fermentation vat of indigo dyeing microorganism from sukumo works. On the basis that it is not the only microorganism that can play a role to reduce indigo, reduction of synthetic indigo was examined with easily available microorganism such as that from humus and EM bacteria. The reduction could be achieved and the fabrics could be dyed. Also, indigo dyeing was possible with dry leaves of Polygonum which contains indigo and humus which bring about fermentation. This result means that the similar dyeing to traditional one could be achieved without using sukumo which needs a lot of time and labor to make.Indigo dyeing with fresh leaves of Polygonum is an easy method. However the problem of this method is that it is applicable only when fresh leaves can be obtained, because indican which is a precursor of indigo in the leaves changes to indigo when they die. It was found that by drying fresh leaves with microwave oven is effective in keeping indican in the leaves and that the content of indican did not decrease for more than several months. Moreover the enzyme which hydrolyze indican in the leaves was found to exist in the naturally dried leaves for a long time. This means that dyeing with indican can be achieved in all seasons by using both microwave dried leaves and naturally dried leaves.

种植日本靛蓝植物火炭的人越来越多。当获得蓼属植物的鲜叶时，可以直接用叶对丝绸进行染色。通常靛蓝染色是通过在碱性条件下在发酵槽中还原日本天然靛蓝苏库莫来进行的。然而，制备苏库莫和还原靛蓝的技术非常困难。来自苏库莫工厂的靛蓝染色微生物发酵罐中。基于它不是唯一可以起到还原靛蓝作用的微生物，用容易获得的微生物如来自腐殖质和EM细菌的微生物来检测合成靛蓝的还原。可以实现还原，并且可以对织物进行染色。此外，靛蓝染色是可能的干叶蓼含有靛蓝和腐殖质，带来发酵。这一结果表明，不使用费时费力的苏库莫，就能获得与传统染料相似的染色效果，用蓼属植物鲜叶染靛蓝是一种简便易行的方法。然而，这种方法的问题是，它只适用于当新鲜的叶子可以获得，因为靛蓝是靛蓝的前体在叶子死亡时变成靛蓝。结果表明，微波干燥鲜叶能有效地保持鲜叶中的靛苷，且靛苷含量在几个月内不下降。而且，在自然干燥的叶片中发现了长期存在的水解糖苷的酶。这意味着通过使用微波干燥的叶子和自然干燥的叶子，可以在所有季节实现用靛聚糖染色。