Aerosol-generating substrate
An aerosol-generating article is provided, including an aerosol-generating substrate including: a homogenised plant material including at least 2.5 percent by weight of eucalyptus particles on a dry weight basis, an aerosol former, a binder, at least 0.04 mg of eucalyptol per gram of the substrate, on a dry weight basis, at least 0.2 mg of eucalyptin per gram of the substrate, on a dry weight basis, and at least 0.2 mg of 8-desmethyleucalyptin per gram of the substrate, on a dry weight basis. An aerosol-generating substrate, an aerosol-generating system, an aerosol produced upon heating of an aerosol-generating substrate, and a method of making an aerosol-generating substrate, are also provided.
1 . An aerosol-generating article, comprising:
an aerosol-generating substrate comprising:
a homogenised plant material comprising:
at least 5.0 percent by weight of eucalyptus particles on a dry weight basis,
between 10 percent and 30 percent by weight of an aerosol former on a dry weight basis,
a binder, and
between 2 percent and 15 percent by weight of exogenous fibres on a dry weight basis,
wherein
a D95 value of the eucalyptus particles is from 30 microns to 300 microns, and
upon heating of the aerosol-generating substrate according to Test Method A, the aerosol generated from the aerosol-generating substrate comprises:
eucalyptol in an amount of at least 0.2 micrograms per puff of the aerosol,
eucalyptin in an amount of at least 0.2 micrograms per puff of the aerosol, and
8-desmethyleucalyptin in an amount of at least 0.2 micrograms per puff of the aerosol, and
wherein
a puff of aerosol has a volume of 55 millilitres as generated by a smoking machine,
wherein
an amount of the eucalyptol per puff is no more than twice an amount of the eucalyptin per puff, and
wherein an amount of the eucalyptol per puff is no more than twice an amount of the 8-desmethyleucalyptin per puff.
2 . The aerosol-generating article according to claim 1 ,
wherein an amount of the eucalyptin per gram of the substrate is at least 3 times an amount of the eucalyptol per gram of the substrate, and
wherein an amount of the 8-desmethyleucalyptin per gram of the substrate is at least 3 times an amount of the eucalyptol per gram of the substrate.
3 . The aerosol-generating article according to claim 1 ,
wherein upon heating of the aerosol-generating substrate according to Test Method A, an aerosol is generated comprising:
at least 10 micrograms of eucalyptol per gram of the substrate, on a dry weight basis,
at least 10 micrograms of eucalyptin per gram of the substrate, on a dry weight basis, and
at least 10 micrograms of 8-desmethyleucalyptin per gram of the substrate, on a dry weight basis,
wherein an amount of the eucalyptol per gram of the substrate is no more than twice an amount of the eucalyptin per gram of the substrate, and
wherein an amount of the eucalyptol per gram of the substrate is no more than twice an amount of the 8-desmethyleucalyptin per gram of the substrate.
4 . The aerosol-generating article according to claim 3 , wherein the aerosol generated upon heating of the aerosol-generating substrate further comprises at least 0.1 milligrams of nicotine per gram of the substrate.
5 . The aerosol-generating article according to claim 3 ,
wherein an amount of the eucalyptol per gram of the substrate is no more than 1.2 times an amount of the eucalyptin per gram of the substrate, and
wherein an amount of the eucalyptol per gram of the substrate is no more than 1.2 times an amount of the 8-desmethyleucalyptin per gram of the substrate.
6 . The aerosol-generating article according to claim 1 , wherein the homogenised plant material further comprises up to 95 percent by weight of tobacco particles, on a dry weight basis.
7 . The aerosol-generating article according to claim 6 , wherein a weight ratio of the eucalyptus particles to the tobacco particles is no more than 1:4.
8 . The aerosol-generating article according to claim 1 , wherein the binder comprises guar gum.
9 . The aerosol-generating article according to claim 1 , wherein the homogenised plant material in the aerosol-generating substrate is in the form of cast leaf.
10 . The aerosol-generating article according to claim 1 , wherein the homogenised plant material in the aerosol-generating substrate is formed by a papermaking process.
11 . The aerosol-generating article according to claim 1 ,
wherein the aerosol-generating substrate further comprises one or more sheets of the homogenised plant material, and
wherein the one or more sheets of homogenised plant material each individually comprise one or more of:
a thickness of between 100 μm and 600 μm, and/or
a grammage of between about 100 g/m 2 and about 300 g/m 2 .
12 . The aerosol-generating article according to claim 11 , wherein the aerosol-generating substrate further comprises a susceptor.
13 . An aerosol-generating system, comprising:
an aerosol-generating device comprising a heating element; and
an aerosol-generating article according to claim 1 .