Nicotine Pouch Packaging with Citric Acid for Immediate Sour Taste
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Solution Overview
Problem
Existing tobacco-free or low-tobacco oral pouched nicotine products experience a lag in flavor and nicotine release, which is unsatisfactory for consumers, and acids used to provide a sour taste can protonate nicotine, reducing its uptake.
Innovation Solution
An oral pouched nicotine product with a filling material containing a nicotine source, flavoring agent, and pH adjuster, packaged in a saliva-permeable pouch with citric acid or malic acid, which provides an immediate sour taste without negatively impacting nicotine release, using a specific composition and manufacturing method to maintain acid in the packaging material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If acid is added to provide sour taste, then sour sensation is improved, but nicotine uptake is reduced due to protonation
Solution Approach 1:
The product is divided into two distinct components: the packaging material containing acid for sour taste, and the filling material containing nicotine and base components. This spatial segmentation prevents direct harmful interaction while maintaining individual functions.
Solution Approach 2:
The packaging material acts as an intermediary barrier between the acid and the nicotine-containing filling material. The acid is released into the oral cavity first, and only after the filling material is removed does nicotine release begin, preventing direct protonation.
2Speed
If rapid release of flavor and nicotine is achieved, then initial flavor experience is improved, but lag time before onset is reduced (already optimal)
Solution Approach 1:
The acid in the packaging material provides preliminary action by delivering immediate sour taste sensation upon contact with saliva, before the filling material is removed and nicotine release begins. This eliminates the perceived lag time by providing immediate sensory feedback.
Solution Approach 2:
The product delivers flavors in periodic stages: first the acid provides sour taste while the pouch is in the mouth, then after removal the filling material releases nicotine and flavor. This periodic delivery optimizes both immediate sensation and sustained release.
3Quantity of substance
If acid is used to provide sour taste, then taste sensation is improved, but discoloration and degradation increase
Solution Approach 1:
Separating the acid into the packaging material and nicotine components into the filling material prevents direct chemical reactions that would cause discoloration and degradation, while still allowing both components to function independently.
Solution Approach 2:
The packaging material serves as a protective intermediary that contains the acid during storage, preventing it from interacting with and degrading the nicotine and other sensitive components in the filling material.
4Quantity of substance
If acid reacts with basic components in filling material, then sour taste is improved, but nicotine release is negatively impacted
Solution Approach 1:
The acid and basic components are segmented into separate compartments (packaging material vs. filling material), preventing direct neutralization reactions that would consume the base components needed for nicotine release.
Solution Approach 2:
The packaging material acts as a physical barrier and temporal mediator, allowing the acid to provide sour taste first, then enabling the filling material to release nicotine without chemical interference from the acid.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The product offers an immediate sour taste sensation followed by a slower release of flavor and nicotine, minimizing nicotine protonation and maintaining seal strength, thus providing a satisfying and prolonged organoleptic experience.
Implementation Method 1
Upon oral administration of the oral pouched nicotine product, the acid of the packaging material is released to provide a sour sensation
Implementation Method 2
The pouch material holds the tobacco in place while allowing saliva to pass into the interior of the pouched product and allowing flavours and nicotine to diffuse from the tobacco material into the user's mouth
Implementation Method 3
allowing flavours and nicotine to diffuse from the tobacco material into the user's mouth
Implementation Method 4
acids may protonate the nicotine thereby decreasing its uptake through the mucous membranes in the oral cavity
Data Source
AI summary
Described is an oral pouched nicotine product having a filling material and a saliva-permeable pouch of a packaging material enclosing the filling material. The filling material includes:a non-tobacco material,a nicotine source,a flavouring agent,moisture in an amount within the range of from 1 wt % to 50 wt % based on the total weight of the filling material,a pH adjuster that includes one or more of the following: Na2CO3, K2CO3, MgCO3, NaHCO3, KHCO3, NaOH, KOH, andthe packaging material comprising an acid selected from the group consisting of citric acid, malic acid, lactic acid, ascorbic acid, tartaric acid and any combination thereof, said acid being present in an amount within the range of from 5 wt % to 20 wt % based on the total dry weight of the packaging material.