BEETROOT PIGMENTS - and membranes – These pigments are betalain pigments (not‚ as often thought‚ anthocyanins)‚ which they replace in some organisms. They are named after the Beet family of plants (Beta) but are also found in fungi (Fly Agaric - the red‚ spotted one!). In petals they presumably attract pollinating insects and may be present in seeds/fruits to encourage birds to eat them and so disperse the seeds. Man has selected for colour in beetroot‚ both because
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mayana-alum dye combination? 2. Often‚ mordants are added to fix the dye onto the fabrics. These are usually inorganic oxides or salts which form colored complex with the dye. Which mordant is more suited for dyeing cotton with dye extracted from eggplant skins? 3. Which mordant is more suitable for dyeing a synthetic fiber with the synthetic extract from mangosteen skins? 4. Which plant extract when combined with alum is suitable for dyeing a synthetic fiber? 5. Which plant extract when
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the world and sometimes different bodies have different views on food color safety. In the United States‚ FD&C numbers (which indicate that the FDA has approved the colorant for use in foods‚ drugs and cosmetics) are given to approved synthetic food dyes that do not exist in nature‚ while in the European Union‚ E numbers are used for all additives‚ both synthetic and natural‚ that are approved in food applications. The food colors are known by E numbers that begin with a 1‚ such as E100 (turmeric)
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Eggplant Couple days ago‚ I went to visit a friend in Virginia. Every time we meet‚ we like to decide and cook together what we are going to eat. However‚ when I got to her house‚ she was already waiting for me with all the ingredients to make an eggplant pastel. An eggplant pastel? I have heard the word eggplant every time people talk about vegetable‚ but I have never even seen one. I was wondering how I was going to help her to cook that. Lucky me‚ it was not a complicated dish to cook. The ingredients
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REPORT NAME :princess cucumber TOPIC : 3.8 & 8.2 : PHOTOSYNTHETIC PIGMENTS RESEARCH QUESTION INTRODUCTION The photosynthetic pigments are responsible for absorbing and trapping light energy the major pigments of photosynthesis are the chlorophylls. The two chlorophylls found in green plants are chlorophyll a and chlorophyll b. other pigments include carotenoids and phycobilins‚ sometimes referred to as accessory pigments. Carotenoids occur in all photosynthetic organisms‚ while phycobilins
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Tie-dye is a modern term coined in the mid-1960s in the United States for a set of ancient resist-dyeing techniques‚ and for the products of these processes. The process of tie-dye typically consists of folding‚ twisting‚ pleating‚ or crumpling fabric or a garment and binding with string or rubber bands‚ followed by application of dye. The manipulations of the fabric prior to application of dye are called resists‚ as they partially or completely prevent the applied dye from colouring the fabric.
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MBK – Lab Report Differential Staining Questions: A. What is a differential stain? How is it different from a simple stain? 1. A differential stain is a stain that differentiates between gram-positive and gram-negative bacteria. Bacteria that stain purple are considered gram-positive and those that stain pink are considered gram-negative. 2. A simple stain is a stain that reacts with all microbes in and identical fashion. They are used to increase contrast. 3. They
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Permanent Stain I stood peeking through the small living room doorway and watched my mother beat my sister. My mother had a full grip of her hair in one hand‚ and a thick‚ coiled wire in the other. She took a blow to her delicate skin‚ releasing all of her held in anger. I see my sister curled up on our dirty‚ kitchen floor‚ trapped between our wooden door and filthy fridge. I hear her cry as if she cried her lungs out for a stop to the blows she’s forced to take‚ and for a stop to the thought
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Parasitol Res DOI 10.1007/s00436-012-3021-8 ORIGINAL PAPER Larvicidal‚ pupicidal‚ repellent and adulticidal activity of Citrus sinensis orange peel extract against Anopheles stephensi‚ Aedes aegypti and Culex quinquefasciatus (Diptera: Culicidae) Kadarkarai Murugan & Palanisamy Mahesh Kumar & Kalimuthu Kovendan & Duraisamy Amerasan & Jayapal Subrmaniam & Jiang-Shiou Hwang Received: 26 May 2012 / Accepted: 19 June 2012 # Springer-Verlag 2012 Abstract Mosquitoes are the carriers
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the 20th century and some products from that era are still in use today. Today‚ shoe polish is usually made from a mix of natural and synthetic materials‚ including naphtha‚ turpentine‚ dyes‚ and gum arabic‚ using straightforward chemical engineering processes. Shoe polish can be toxic‚ and‚ if misused‚ can stain skin. Banana is the common name for a fruit and also the herbaceous plants of the genus Musa which produce the commonly eaten fruit. They are cultivated primarily for their fruit‚ and
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