rice bran oil and fermented rice with red yeast High lysine corn (low glycemic index) Virgin coconut oil (VCO) and monolaurinSugarcane and Banana Sugarcane -- source of alpha-hydroxy acids (AHAs) -- source of the phytoalexin piceatannol (a stilbene) Banana -- complex genome (A and B) -- table bananas and plantains (cooking type) -- major source of potassium‚ tryptophan and oligofructans -- polyphenols and oligofructansFruits and Vegetables Papaya as AntiCancer and Health Drink Bionormalizer
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I. Results Started with : 40mL acetic acid 4.005g PHPB 2.00g trans-stilbene 1.54g KOH 13mL methanol 21mL ethylene glycerol 2.726g stibene dibromide produced Actual yield : 0.818g diphenlacetylene Melting Point : 62 - 75 degrees Celsius II. Discussion The experimental melting point range of our purified product was 60 degrees Celsius when researched‚ but when done experimentally was only. This began around the right range‚ but ended up being much higher than the literature value
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substances. Crude oil is also a naturally occurring hydrocarbon. Hydrocarbons are molecules that contain hydrogen and carbon and come in various lengths and structures‚ like rings and straight and branched chains. Petroleum contains many alkanes and alkenes and has several impurities when removed from underneath the earth. Refining petroleum entails both the removal of these impurities and also the separation of petroleum into its various components. The specific method for this separation in crude oil
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first-hand investigation to compare the reactivity of an alkene with its corresponding alkane. (a) State the name of the alkene. 2002:16(a) 1 (b) Outline a procedure to compare the reactivity of this alkene with its corresponding alkane. 2002:16(b) 2 (c) Describe the results obtained from this first-hand investigation and include relevant chemical equations. 2002:16(c) 3 3 Explain why alkanes and their corresponding alkenes have similar physical properties‚ but very different
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the base to lose a hydrogen and form the carbon-carbon double bond [1]. When the more substituted alkene is the dominant product‚ the reaction follows Zaitsev’s rule. Zaitsev’s rule states that the major product of a β-elimination reaction is the most stable alkene [1].Acid-Catalyzed Dehydration is the elimination of a molecule of water from adjacent carbon atoms. An alcohol can be converted to an alkene by dehydration‚ which is often brought on by heating the alcohol with either 85% phosphoric acid
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excess water. The water will remove the acidic hydrogen on the carbocation producing the desired alkene as well as regenerating the acid catalyst (fig. 2). A time effective way to collect the 4-methylcyclohexene is to heat the reaction to reflux as it is taking place. This allows the product to be separated from the starting materials by means of the boiling point discrepancy between the isolated alkene (101-102C) and the starting alcohol (171-173C). After the distillate is collected any impurities
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2950 cm-1 sp2 C-H stretch 3100 cm-1 C=O - ketone 1715 cm-1 C=C alkene 1680 cm-1 O O d. e. f. OH sp3 C-H stretch 2950 sp C-H stretch 3310 cm-1 CC alkyne stretch 2220 cm-1 cm-1 sp2 C-H stretch 3100 cm-1 sp3 C-H stretch 2950 cm-1 C=C alkene 1680 cm-1
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Organometallic preparation and addition to carbonyls‚ Wittig reagent preparation and Wittig rxn‚ Wolff‚ H-based nucleophile carbonyl reduction‚ imine formation‚ reductive amination (rxn only)‚ ketal/acetal formation‚ dithiane chemistry (rxn only)‚ alpha-bromination of ketones‚ -COOH properties (the trends on HW4)‚ Fischer‚ acidic/basic hydrolysis of esters/amides/nitriles‚ CH2N2‚ acid chloride formation (rxn only)‚ acid chloride rxns with esters and amides. 2 Rxn of carboxyllic acid derivatives w/organometallic
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Chemistry revision Atoms elements and compounds Atom-the smallest part of an element that can still be recognized as an element Element-a substance made up of only one type of atom. An element cannot be broken down chemically into any simpler substance Nucleus-middle of the atom‚ which contains protons and neutrons Electron-tiny particle‚ which surrounds the nucleus with a negative charge Compound-when two elements react and combine together which contain more than one element. There
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Chapter 5: Solutions‚ Colloids‚ and Membranes Chapter Summary Mixtures and Solutions * A mixture maintains its identity regardless of the proportions of its components. * A mixture can be separated into its pure components through physical separation techniques. * The components are distributed uniformly throughout a homogenous mixture. * The components are not distributed uniformly throughout a heterogeneous mixture. * A solution is composed of a solvent and one or more solutes
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