The recent pandemic scenario has caused demand for green products that have medicinal aspects, as well greener approaches global health. Natural dye from plants, particularly harmal seeds, is an excellent alternative to carcinogenic yellow synthetic dyes. current study been conducted isolate natural colorants seeds in methanolic medium through Gamma-Assisted Extraction (GAE). dyeing variables a...

Globally, there is growing demand in natural colourants from plants the food, cosmeceutical and pharmaceutical fields. Generally, among various categories of secondary metabolites, carotenoids, anthocyanins, phenols are significant plant-based pigments. Coloured pigments possess remarkable anthocyanin related to anti-oxidant, anti-inflammatory anti-metastatic features. The major objective this ...

Gallotannin, consisting mainly of low molecular weight esters such as penta- and hexagalloylglucoses (commercially available as tannic acid produced from Turkish nutgall), can be used for increasing and diversifying tissue contrast in electron microscopy. When applied on tissue specimens previously fixed by conventional methods (aldehydes and OsO4), the low molecular weight galloylglucoses (LMG...

Natural dyes are generally obtained from the extracts of plant parts. Teak leaves produce natural and can be used to create ecoprinted works.This study aimed at utilizing teak as dye an ecoprinting material imprinted on silk fabrics using alum mordant. The s tate art this research is ecoprint materials a single piece fabric. purpose was get colors, products, add aesthetic economic value fabrics...

Natural dyes are obtained from natural sources such as vegetable, animal or mineral matters. These generally used in coloration of textiles, food, cosmetics and drugs. This article attempts to reviews the classification according method application available dye sources, mordant its classification, different mordanting methods, extraction dyeing methods advantages disadvantages have been discus...

Indonesia is among the largest countries in global rice production. Annual generation of straw about 20 million tons were reported. It therefore, utilization as natural dye considered to minimize pollutant problem. Rice composed 48.7% carbon that generate black color. In this research, dyes ash applied cotton and rayon fabrics, followed by mordanting using lime, alum, ferrous sulphate. The colo...

There arc several well-known methods of iron hematoxylin staining of protozoa in smears and tissue sections, viz, Heidenhain's, Mallory's, and Weigert's. In the first two of these methods, the mordant, an iron salt, and the stain hematoxylin, are applied separately; and in Weigert's method, the mordant and the stain are mixed up immediately before staining. Though excellent results can be obtai...

Desorption electrospray ionization mass spectrometry (DESI-MS) is an ambient technique that shows great potential for the analysis of fragile heritage objects in situ. This article focuses on application a recently built DESI source to characterize natural dyestuffs historical textiles and presentation initial imaging experiments. Optimization instrumental settings, geometrical parameters, solv...

Dyeing woven yarn using natural dyes is increasingly popular, but the process complicated, color consistency low, fades easily and choices are limited. Service activities in Sukarara Village form of socialization assistance on coloring techniques pH-based anthocyanins (acidity degrees) were carried out as a solution to these problems. By varying pH anthocyanin buffer 2-10 followed by fixation/m...

The Wonolopo tourist village was designated by the mayor of Semarang as one theleading villages in city Semarang, which is located Mijen sub-district, WestSemarang, Central Java. has a lot local potential with natural wealthand uniqueness that can be proud cultural and educational tour packages fortourists. With Kampoeng Jamunya juxtaposed theexploration dyed batik, it becomes main attraction t...