Search for tag: "compounds"

25 Media

01:13:37 Harold McGee and Susan Ebeler // Savor: The… Harold McGee and Susan Ebeler // Savor: The Science and Mystery of Smell	Harold McGee and Susan Ebeler // Savor: The Science and Mystery of Smell On Feb 10, 2021, food science author Harold McGee and Professor of Viticulture and Enology Susan Ebeler explored the intricate relationship between the composition of aromas and how we experience… compounds wine aroma food things aromas molecules smell lot mixture kind character smells pepper bell lavender harold davis wines experience phase From Savorgroup on February 11th, 2021 0 likes 134 plays 0
04:32 VEN123L Video 7.2 - Ethanol - GC-FID VEN123L Video 7.2 - Ethanol - GC-FID	VEN123L Video 7.2 - Ethanol - GC-FID How do gas chromatography and flame ionization detection work? What is internal standardization and what is its purpose? Copyright Thi Nguyen Do not distribute without permission … phase compounds ethanol sample column concentration propanol standard reproducibility standardization samples analysis alcohol response isopropyl analyte calibration detector wine tech From Thi Nguyen on October 30th, 2020 0 likes 79 plays 0
07:36 VEN123L Video 7.1 - Chromatography VEN123L Video 7.1 - Chromatography	VEN123L Video 7.1 - Chromatography What is chromatography and how does it work? How are the components of a mixture separated? What does advanced instrumental chromatographic analysis look like? Copyright Thi Nguyen Do not… chromatography phase column compounds acid paper gc analysis components hplc detection sample acids gas mass detector interactions separation mixture analytes From Thi Nguyen on October 28th, 2020 0 likes 74 plays 0
01:32:23 Oct. 20. Lecture 4. Effects on communities and… Oct. 20. Lecture 4. Effects on communities and coevolution	Oct. 20. Lecture 4. Effects on communities and coevolution coevolution effects of herbivores on communities effects of plant defense on herbivore communities plant species plants herbivores herbivore evolution lot speciation compounds diversification phylogeny defense defenses communities leaf insect effects mutation idea nitrogen From Sharon Strauss on October 20th, 2020 0 likes 21 plays 0
01:07:13 Lecture 2. Tues Oct 6. Prevalence and impact,… Lecture 2. Tues Oct 6. Prevalence and impact, Vertebrate vs Invert, Plant defense types	Lecture 2. Tues Oct 6. Prevalence and impact, Vertebrate vs Invert, Plant defense types I describe the major differences between vertebrate and invertebrate herbivory. Also give examples of types of plant defenses invertebrate vs vertebrate herbivory plant defense types plant plants herbivore herbivores herbivory defenses damage leaf defense fitness caterpillar compounds leaves tissue lot species growth metabolites lots resistance From Sharon Strauss on October 7th, 2020 0 likes 16 plays 0
01:08:23 Office Hours with Dave and Anita, Episode 12… Office Hours with Dave and Anita, Episode 12 (September 15, 2020): Smoke Exposure Q and A with Anita Oberholster	Office Hours with Dave and Anita, Episode 12 (September 15, 2020): Smoke Exposure Q and A with Anita Oberholster UC Cooperative Extension Specialist in Enology, Anita Oberholster, answers questions about smoke exposure from grape and wine industry stakeholders. smoke wine impact question ash phenols compounds lot grapes questions levels things water wines problem enzymes numbers skin stage risk From Karen Block on September 15th, 2020 0 likes 27 plays 0
27:27 Sensory Quality Measurements - (Zakharov) Sensory Quality Measurements - (Zakharov)	Sensory Quality Measurements - (Zakharov) fruit ripening fruit things characteristics quality lot compounds lots flavor nose color ways aroma sample bit content consumers consumer machines box thing From Elizabeth Mitcham on August 18th, 2020 0 likes 12 plays 0
56:39 Office Hours with Dave and Anita. Episode 9. … Office Hours with Dave and Anita. Episode 9. The Impact of Smoke Exposure on Grapes and Wine	Office Hours with Dave and Anita. Episode 9. The Impact of Smoke Exposure on Grapes and Wine In this episode, our guests, Tom Collins (Washington State University), Elizabeth Tomasino (Oregon State University), and Anita Oberholster (UC Davis), talk about their research on the impact of… smoke compounds wine lot things phenols exposure bit impact threshold fruit analysis concentration vineyard tom thing compound thresholds question wines From David Block on June 29th, 2020 0 likes 101 plays 0
19:50 VEN290 Interactions between Wine and… VEN290 Interactions between Wine and Saccharomyces cerevisiae Lees during Aging by Andre Swart (May 19 2020)	VEN290 Interactions between Wine and Saccharomyces cerevisiae Lees during Aging by Andre Swart (May 19 2020) student seminar viticulture and enology yeast wine oxygen lees cell concentration lipids compounds pathway lee consumption interactions concentrations proteins bit cells fermentation leaves treatment papers From Dario Cantu on May 21st, 2020 0 likes 68 plays 0
55:01 Office Hours with Dave and Anita. Episode 3. … Office Hours with Dave and Anita. Episode 3. Exploring the Genetics of Grapevines (5/12/20)	Office Hours with Dave and Anita. Episode 3. Exploring the Genetics of Grapevines (5/12/20) Episode 3. Prof. Dario Cantu and PhD student Jerry Lin join Dave and Anita to discuss the cutting edge of grapevine genetics. They are using a Riesling x Cabernet Sauvignon cross population at our… wine varieties genes question population questions jerry cabernet genetics grapes aroma resistance fruit week diversity genotypes progeny compounds knowledge disease From David Block on May 17th, 2020 0 likes 37 plays 0
01:10:22 PLB298 Lecture#5-METABOLITE ANALYSIS PLB298 Lecture#5-METABOLITE ANALYSIS	PLB298 Lecture#5-METABOLITE ANALYSIS metabolites compounds metabolite approaches approach mass ionization types gas column phase analysis sample chromatography extraction metabolomics plant tissue fragments methods From Philipp Zerbe on April 26th, 2020 0 likes 25 plays 0
21:11 PBI298 Lecture#4-2 Cyanogenic Glycosides PBI298 Lecture#4-2 Cyanogenic Glycosides	PBI298 Lecture#4-2 Cyanogenic Glycosides amino glycosides hydroxy nitrogen acids compounds substrate acid nitrile lot cyanide hydrogen glucose defense toxicity fifties enzymes carbon pathway intermediates From Philipp Zerbe on April 24th, 2020 0 likes 44 plays 0
14:55 PBI298 Lecture#4-4 BXAs & Alkamides PBI298 Lecture#4-4 BXAs & Alkamides	PBI298 Lecture#4-4 BXAs & Alkamides acid amino compounds acids metabolites production glucose decarboxylation activities biosynthesis plant nitrogen metabolism configuration structure species benzoic alchemists insect study From Philipp Zerbe on April 17th, 2020 0 likes 12 plays 0
13:31 PBI298 Lecture#4-3 Glucosinolates PBI298 Lecture#4-3 Glucosinolates	PBI298 Lecture#4-3 Glucosinolates glucose amino acid glycosides compounds acids chain side intermediate lucas cells step analytes reaction elongation pathway molecule sulfur stress genes From Philipp Zerbe on April 17th, 2020 0 likes 27 plays 0
23:27 PBI298 Lecture#4-1 Alkaloids PBI298 Lecture#4-1 Alkaloids	PBI298 Lecture#4-1 Alkaloids alkaloids compounds morphine amino plants pathway production nicotine diversity acids dopamine examples plant pathways biosynthesis nitrogen enzymes neurotransmitter gene methyltransferase From Philipp Zerbe on April 17th, 2020 1 likes 32 plays 0
51:40 PLB298 Lecture#3 PHENOLICS PLB298 Lecture#3 PHENOLICS	PLB298 Lecture#3 PHENOLICS pathway compounds acid metabolism lignin functions flavonoids ring species propanol plants structure phenol biosynthesis acids color oxygen amino phenyl metabolites From Philipp Zerbe on April 15th, 2020 0 likes 52 plays 0