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California Polytechnic State University, San Luis Obispo

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Exploring Non-Conventional Substrates: The Role Of Hibiscus And Whey In Kombucha Fermentation, Benjamin J. Lee Mar 2026

Exploring Non-Conventional Substrates: The Role Of Hibiscus And Whey In Kombucha Fermentation, Benjamin J. Lee

Master's Theses

This study evaluated the impact of hibiscus and whey as alternative fermentation substrates on the physicochemical, phytochemical, and microbial properties of kombucha. A 2 × 2 full factorial design was used to compare four treatments: black tea + water (BW), black tea + whey (BH), hibiscus + water (HW), and hibiscus + whey (HH). The fermentation solvents (water or whey) were heated to 88 °C, infused with 0.6% (w/v) black tea or hibiscus for 10 minutes, sweetened with 10% (w/v) sucrose, cooled to 22 °C, and inoculated with 20% (v/v) kombucha starter culture. Fermentations were carried out at 22 °C …


Measurement And Control Of The Oxidation-Reduction Potential And Its Chemical And Sensory Consequences In Wines, William Jordan Wright Mar 2026

Measurement And Control Of The Oxidation-Reduction Potential And Its Chemical And Sensory Consequences In Wines, William Jordan Wright

Master's Theses

The oxidation-reduction potential (ORP) is a measurement thought to reflect the overall ability of a solution to oxidize or reduce substances within that solution. In wine, there is no absolute agreement as to which substances control or dominate the ORP; however, oxygen, ethanol, iron-tartrate and copper-tartrate complexes, and glutathione are suspected to play key roles, while sulfur dioxide and phenolics may act as buffers. Anecdotally, some varieties of Vitis vinifera are prone to oxidation while others are prone to reduction, though the chemical basis of this remains unclear. The following works aim to further elucidate the influence of specific chemical …


Associations Between Nutrition-Related Chronic Disease And Food Insecurity: Data From The California State University, Elizabeth Ochoa Mar 2026

Associations Between Nutrition-Related Chronic Disease And Food Insecurity: Data From The California State University, Elizabeth Ochoa

Master's Theses

Food insecurity is a growing public health concern consistently associated with elevated rates of nutrition-related chronic disease (NRCD) across the general population. Despite young adulthood being a critical window for dietary pattern formation, this relationship remains minimally explored among college students. This thesis examined associations between food insecurity and NRCD diagnosis, including hypertension, diabetes, hyperlipidemia, and cardiovascular disease, among undergraduate students across the California State University (CSU) system. Cross-sectional data were drawn from the Spring 2021 CSU National College Health Assessment, administered across all 23 campuses. After exclusions, the analytical sample comprised 13,762 students. Bivariate analyses assessed relationships between key …


Environmental Impact Of Preventative Fire-Retardant Applications On Soil Water Chemistry, Patrick C. Michelsen Mar 2026

Environmental Impact Of Preventative Fire-Retardant Applications On Soil Water Chemistry, Patrick C. Michelsen

Master's Theses

Between 1992 and 2012, 84% of all documented wildfires were started by humans. These fires often start around high-risk locations such as power lines and roadsides where fuel loads are near these potential human-caused ignition sources. Point source ignition sites that are surrounded by shrubs or grasslands are especially important because fires that occur within these biomes are responsible for far more destruction of property than forest fires. One strategy that is effective at mitigating the spread of fires from ignition sites that are within grassland or shrub biomes are preventative fire-retardant products (PFRPs). These PFRPs differ from traditional fire-retardant …


To What Extent?, Carson Dangberg Feb 2026

To What Extent?, Carson Dangberg

Fresh Voices: Composition at Cal Poly

No abstract provided.


Wild Child, Dylan Grant Feb 2026

Wild Child, Dylan Grant

Fresh Voices: Composition at Cal Poly

No abstract provided.


How Pieces Of Wood Can Touch Souls, Amanda Post Feb 2026

How Pieces Of Wood Can Touch Souls, Amanda Post

Fresh Voices: Composition at Cal Poly

No abstract provided.


Academic Senate - Agenda, 02/24/2026, Academic Senate Feb 2026

Academic Senate - Agenda, 02/24/2026, Academic Senate

Academic Senate Agendas

No abstract provided.


A (Grey)T Solution To California’S Drought, Daniel Foxhoven Feb 2026

A (Grey)T Solution To California’S Drought, Daniel Foxhoven

Fresh Voices: Composition at Cal Poly

No abstract provided.


Want To Get Injured? Try Crossfit, Yoshito Funakoshi Feb 2026

Want To Get Injured? Try Crossfit, Yoshito Funakoshi

Fresh Voices: Composition at Cal Poly

No abstract provided.


Catastrophes From Consumption: Meat Production Problems, Dana Bakke Feb 2026

Catastrophes From Consumption: Meat Production Problems, Dana Bakke

Fresh Voices: Composition at Cal Poly

No abstract provided.


Everything Is Sound, Kiana Rastrou Feb 2026

Everything Is Sound, Kiana Rastrou

Fresh Voices: Composition at Cal Poly

No abstract provided.


Considering David Foster Wallace’S Lobster, Valeria Salazar Feb 2026

Considering David Foster Wallace’S Lobster, Valeria Salazar

Fresh Voices: Composition at Cal Poly

No abstract provided.


Sea Lion Beach, Maurice Goodman Feb 2026

Sea Lion Beach, Maurice Goodman

Fresh Voices: Composition at Cal Poly

No abstract provided.


Too Smart For School, Jackie Budidharma Feb 2026

Too Smart For School, Jackie Budidharma

Fresh Voices: Composition at Cal Poly

No abstract provided.


Insulin Is Not A Cure—It’S Life Support, Alejandra Garcia Feb 2026

Insulin Is Not A Cure—It’S Life Support, Alejandra Garcia

Fresh Voices: Composition at Cal Poly

No abstract provided.


Death With Dignity: A Human Right, Crystal Loza Feb 2026

Death With Dignity: A Human Right, Crystal Loza

Fresh Voices: Composition at Cal Poly

No abstract provided.


Take A Ride On This Canoe, Ashley Bruce Feb 2026

Take A Ride On This Canoe, Ashley Bruce

Fresh Voices: Composition at Cal Poly

No abstract provided.


A Closer Look At The People’S Chemist, Maya Katz Feb 2026

A Closer Look At The People’S Chemist, Maya Katz

Fresh Voices: Composition at Cal Poly

No abstract provided.


Filling The Void, Leann Hillegas Feb 2026

Filling The Void, Leann Hillegas

Fresh Voices: Composition at Cal Poly

No abstract provided.


Artist To Blacksmith, Angel De La Torre Feb 2026

Artist To Blacksmith, Angel De La Torre

Fresh Voices: Composition at Cal Poly

No abstract provided.


Executive Committee - Agenda, 02/17/2026, Academic Senate Feb 2026

Executive Committee - Agenda, 02/17/2026, Academic Senate

Academic Senate Agendas

No abstract provided.


Women In Stem Fields, Jenna Riegel Feb 2026

Women In Stem Fields, Jenna Riegel

Fresh Voices: Composition at Cal Poly

No abstract provided.


Interspersed, Lluvia Santana Feb 2026

Interspersed, Lluvia Santana

Fresh Voices: Composition at Cal Poly

No abstract provided.


Slow Fashion: The Simple, Sustainable Apparel, Lyle Bryson Feb 2026

Slow Fashion: The Simple, Sustainable Apparel, Lyle Bryson

Fresh Voices: Composition at Cal Poly

No abstract provided.


Changing Gender Stereotypes Brick By Brick, Emily Richter Feb 2026

Changing Gender Stereotypes Brick By Brick, Emily Richter

Fresh Voices: Composition at Cal Poly

No abstract provided.


A Misquoted Take On Gender Disparity, Hailey Koetz Feb 2026

A Misquoted Take On Gender Disparity, Hailey Koetz

Fresh Voices: Composition at Cal Poly

No abstract provided.


Overcoming Fatherhood, Abby Robles Feb 2026

Overcoming Fatherhood, Abby Robles

Fresh Voices: Composition at Cal Poly

No abstract provided.


Reddi-Wip Is Sex In Your Mouth, Caitlin English Feb 2026

Reddi-Wip Is Sex In Your Mouth, Caitlin English

Fresh Voices: Composition at Cal Poly

No abstract provided.


Racial Discrimination And Its Effects On Health And Maternal Mortality, Vanessa Newsome-Slade Feb 2026

Racial Discrimination And Its Effects On Health And Maternal Mortality, Vanessa Newsome-Slade

Fresh Voices: Composition at Cal Poly

No abstract provided.