Search Results

59 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, APPOST 19

    Automatic discrimination planting areas of flue-cured tobacco based on near-infrared spectroscopy technology and support vector machine improved by whale optimization algorithm

    QIU Changgui(1,2); LIU Ze(3); QI Lin(4); YANG Jingjin(4); WANG Xianguo(4); WENG Ruijie(4); LIU Jihui(4); WEI Qing(1); LIU Jing(1,2); YANG Panpan(1,2); LI Siyuan(4)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, China; (2) Yunnan Comtestor Co., Ltd., Kunming, China; (3) China Tobacco Yunnan Industrial Co., Ltd., Kunming, China; (4) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, China
    A study was carried out to accurately and rapidly identify planting areas of flue-cured tobacco. A total of 201 flue-cured tobacco samples from three different areas in Kunming, Honghe and Qujing, Yunnan Province were selected for the study. After...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2023, Cancun, STPOST 04

    Quantitative analysis for metabolic profiling of aroma compounds by near infrared spectroscopy (NIR)

    YANG Panpan(1,2); ZHOU Wenzhong(1,2); YANG Xiaoyun(1,2); LI Ming(1); LU Xiaoting(1,2); LIU Jing(1,2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, China; (2) Yunnan Comtestor Co., Ltd, Kunming, China
    It is well-known that the types and content of aroma components in tobacco is an important focus of the cigarette industry. Different types and contents of aroma components are the reaction of different metabolic profiling. This study proposed...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2023, Cancun, STPOST 23

    A pilot assessment on novel hybrid product: emission analysis of nicotine, volatile aromatic constituents and selected HPHCs

    LIU Shengyi; QING Wei; DOU Jinxi; LIU Weijuan
    (1) Ruvian Technology Ltd., Kunming, China; (2) Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, China
    There is a new type of emerging product which combines the e-cigarette and heat-not-burn product. Instead of adding flavours into the e-liquid, these hybrid products (HPs) contain only humectants in the e-liquid. When puffing starts the hot aerosol...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2023, Cancun, STPOST 24

    Humectant ability and bilateral humectant method construction for cigarette components

    QIU Changgui(1,2); LIU Ze(3); ZUO Wen(4); LI Siyuan(4); HUA Yikun(4); LIU Jing(1,2); FU Liang(3); QI Lin(4); MA Ning(3); ZHU Yemei(1,2); HE Banghua(3); YANG Panpan(1,2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, China; (2) Yunnan Comtestor Co., Ltd., Kunming, China; (3) China Tobacco Yunnan Industrial Co., Ltd., Kunming, China; (4) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, China
    In order to study the humectant ability and bilateral humectant effect of cigarette components, the desorption curve of cut tobacco and cut stem and the area of various water activities were quantified by GAB model integral, and a humectant direction...
  5. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 54

    Quality differences of flue-cured tobacco leaf from the southern Yunnan Gold Corridor Tobacco Cultivation Region and its environmental interpretation

    WANG Lan(1); GAO Weikai(2); YANG Jun(1); XIE Bing(1); LIN Xin(1); XIAO Jingyi(1); LI Zhouwen(2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, China; (2) China Tobacco Guangdong Industrial Co., Ltd., Guangzhou, China
    Tobacco planting is especially responsive to the environment mainly due to the impacts of soil fluctuations on quality and quantity. The availability of environment realisations with an adequate accuracy is an essential component of tobacco...
  6. CORESTA Congress, Online, 2022, Smoke Science/Product Technology Groups, ST 12

    Assessment of potential atomisation agents on capacity of aroma delivery in e-liquid

    LIU Shengyi; ZHU Libing; DOU Jinxi; LIU Weijuan
    (1) Ruvian Technology Ltd., Kunming, China; (2) Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, China
    Propylene glycol (PG) and glycerin (VG) are two commonly used humectants in e-liquid. To determine a possible substitute that performs equally to PG/VG or functions better as an aerosol forming agent and carrier of aroma constitutes, compounds were...
  7. CORESTA Congress, Online, 2022, Smoke Science/Product Technology Groups, ST 61

    A comparative study on delivery of nicotine, humectants and endogenous aroma constituents from reconstituted tobacco materials in granule and sheet form under heat-not-burn condition

    LIU Shengyi; ZHU Libing; DOU Jinxi; LIU Weijuan
    (1) Ruvian Technology Ltd., Kunming, China; (2) Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, China
    There are a great variety of heat-not-burn products (HnBs) available on the market. The heating devices are various and the tobacco materials in heating rods also come in different forms. To determine the delivery of the nicotine and endogenous...
  8. CORESTA Congress, Online, 2022, Smoke Science/Product Technology Groups, ST 80

    Analysis of absorption hysteresis of different cigarette blends based on adsorption thermodynamics method

    QIU Changgui(1,2); LIU Ze(3); WEI Qing(1); HE Banghua(3); YANG Qianxu(3); LIU Jing(1,2); LI Siyuan(4); WANG Zeyu(4); ZUO Wen(4); YANG Lan(4); GUO Miaomiao(3)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, China; (2) Yunnan Comtestor Co., Ltd., Kunming, China; (3) China Tobacco Yunnan Industrial Co., Ltd., Kunming, China; (4) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, China
    In order to study the isothermal adsorption characteristics for cut tobacco, cut stem and cut reconstituted tobacco, the adsorption hysteresis was quantified using the definite integral expression of GAB model, and the isosteric adsorption heat of...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 05

    Determination of 10 kinds of polycyclic aromatic hydrocarbon in the aerosol of heat-not-burn products by SPME-GC-MS

    SHEN Junyu; LIU Xin
    Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, P.R. China
    Polycyclic aromatic hydrocarbons are low in mainstream tobacco smoke, but they are among the most hazardous substances and have been shown to be carcinogenic in a number of studies. One polycyclic aromatic hydrocarbon is benzo[a]pyrene, which has...
  10. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 07

    Quantitative determination and puff-by-puff analysis on the release pattern of nicotine and menthol in heat-not-burn tobacco material and emissions

    LIU Shengyi; LI Jingjing; ZHU Libing; LIU Weijuan
    (1) Ruvian Technology Ltd., Kunming, P.R. China; (2) Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, P.R. China
    There is a lack of description of nicotine strength in current available heat-not-burn (HnB) tobacco products. Three HnB products were studied regarding the occurrence of nicotine in their tobacco and menthol flavoured cigarettes, and menthol in...