Garcinia mangostana as natural fabric dye

Optimization of Cytochrome C Production of Pseudomonas spp.

Garcinia mangostana as natural fabric dye

History[ edit ] Mangosteen is a native plant to Southeast Asia.

Garcinia mangostana as natural fabric dye

Highly valued for its juicy, delicate texture and slightly sweet and sour flavour, the mangosteen has been cultivated in MalaysiaBorneoSumatraMainland Southeast Asiaand the Philippines since ancient times.

The 15th-century Chinese record Yingya Shenglan described mangosteen as mang-chi-shih derived from Malay Language manggisa native plant of Southeast Asia of white flesh with delectable sweet and sour taste. The mangosteen was introduced into English greenhouses in The mangosteen tree generally does not grow well outside the tropics.

There is a legend about Queen Victoria offering a reward of pounds sterling to anyone who could deliver to her the fresh fruit.

I'd rather eat one than a hot fudge sundae, which for a big Ohio boy is saying a lot. The diseases can be divided into foliarfruit, stem and soil-borne diseases.

Reduction of wounds caused by insects and storm damage to minimize disease incidence.

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Change of the microclimate by tree spacing and pruning. Chemicals applied to root collars and tree stumps to control root diseases. Fungicides to control fungal pathogens. Biological pest control or insecticides to control insects. They are known to recover from brief cold spells rather well, often with damage only to young growth.

Experienced horticulturists have grown this species outdoors, and brought them to fruit in extreme south Florida. As the fruit enlarges over the next two to three months, the exocarp colour deepens to darker green.

During this period, the fruit increases in size until its exocarp is 6—8 centimetres 2. The subsurface chemistry of the mangosteen exocarp comprises an array of polyphenols, including xanthones and tannins that assure astringency which discourages infestation by insects, fungi, plant virusesbacteria and animal predation while the fruit is immature.

Colour changes and softening of the exocarp are natural processes of ripening that indicates the fruit can be eaten and the seeds have finished developing.

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Initially streaked with red, the exocarp pigmentation transitions from green to red to dark purple, indicating a final ripening stage. This entire process takes place over a period of ten days as the edible quality of the fruit peaks.

Over the days following removal from the tree, the exocarp hardens to an extent depending upon post-harvest handling and ambient storage conditions, especially relative humidity levels. If the ambient humidity is high, exocarp hardening may take a week or longer when the flesh quality is peaking and excellent for consumption.

However, after several additional days of storage, especially if unrefrigerated, the flesh inside the fruit might spoil without any obvious external indications.producing functional dyes that could be imparted into the silk dyeing natural colorant system and incorporated in several kinds of cloths.

Keywords: antibacterial, natural dyes, color fastness, UV protection 1. Introduction Nowadays, the interest towards natural dye is growing as our lives are affected by pollution. Dyeing: The cotton fabric samples were dyed with dye extract, keeping M:L ratio as at its original pH of the dye extract (), only in the case of silk and wool dyeing the pH was maintained at 4 by adding buffer solution (sodium acetate and acetic acid).

Natural dye is made from things such as plants for example onion skin. Fixative: vinegar and salt which allow the dye to stay fast on the fabric. Used mostly in hot water dye.

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Volume 6, Issue 1, Spring 1 Volume 6, Issue 1, Spring Keywords: Garcinia Mangostana, natural dye, cotton, wool, silk, commercial dyeing tinctorial value of this natural dye for cotton fabric is not high for these mordants despite the tannic acid pretreatment to cotton. excellent range of natural colours.

Silk fabric treated simultaneously with mordanting and dyeing with extract dye Index Colour 5 Keywords—Natural dye, Freeze-drying, Garcinia mangostana Linn, Mordanting.


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INTRODUCTION S people become more conscious of the environmental. PULVERISED NATURAL DYES FOR TEXTILE DYEING Feroza Ahmad Faiz lightfastness of the dyed and aftertreated fabric samples was observed after 40 hours exposure to direct sunlight.

Subsequently, advanced experiments were conducted using (Garcinia mangostana), mangrove / “Tengar” (Ceriops tagal).

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