Analysis of the Spectral Characteristics of Pure Moxa Stick Burning by Hyperspectral Imaging and Fourier Transform Infrared Spectroscopy

Abstract

The objective of this study was to investigate the spectra characteristics (SC) at wavelengths of 400~1000 nm and 2.5~15.5 μm of pure moxa stick (MS) during its 25-minute burning process using new spectral imaging techniques. Spectral images were collected for the burning pure MS at 5, 10, 15, 20, and 25 min using hyperspectral imaging (HSI) and Fourier transform infrared spectroscopy (FTIR) for the first time. The results showed that, at wavelengths of 400~1000 nm, the spectral range of the cross section of MS burning was 750~980 nm; the peak position was 860 nm. At wavelengths of 2.5~15.5 μm, the spectral range of the cross section of MS burning was 3.0~4.0 μm; the peak position was approximately 3.5 μm. The radiation spectra of MS burning include litter red and amount of infrared (but mainly near infrared) wavelengths. The temperature, blood perfusion, and oxygen saturation increase of Shenshu (BL23) after moxibustion radiation were observed too. According to mechanism of photobiological effects and moxibustion biological effects, it was inferred that moxibustion effects should be linked with moxibustion SC. This study provided new data and means for physical properties of moxibustion research.

Traditional Herb (Moxa) Modified Zinc Oxide Nanosheets for Quick, Efficient and High Tissue Penetration Therapy of Fungal Infection

“…Furthermore, the chemical functional groups of CMZ were characterized via Fourier transform infrared spectroscopy (FTIR) spectra. Specifically, CMZ contained typical absorption peaks at 3447, 2920, and 1110 cm –1 , corresponding to hydroxyl, hydrocarbon and ether bonds respectively, which was consistent with the description in the literature (Figure d) . The band structure determines the optical absorption performance of the material .…”

“…Specifically, CMZ contained typical absorption peaks at 3447, 2920, and 1110 cm −1 , corresponding to hydroxyl, hydrocarbon and ether bonds respectively, which was consistent with the description in the literature (Figure 1d). 20 The band structure determines the optical absorption performance of the material. 21 Compared with ZnO (2.80 eV), CMZ had a narrower bandgap of about 2.00 eV, indicating that the addition of CM (1.25 eV) was beneficial for reducing the bandgap (Figures 1e and S3b).…”

Moxibustion for Primary Dysmenorrhea: An Adjuvant Therapy for Pain Relief

“…Generally, the peak value is 0.8∼5.6 m. Some researchers believe that moxibustion can produce infrared radiation energy that penetrates the skin, reaches the muscle tissue, and resonates with human acupoints, which may be one of the mechanisms of moxibustion. Therefore, attention should be paid to the spectral range of the light effect and the mechanism of wave peak in the treatment of dysmenorrhea to provide the experimental basis for the target of moxibustion in the treatment of PD [ 99 , 100 ].…”

A comparative metabolomics study between grain-sized moxibustion and suspended moxibustion on rats with gastric ulcers

“…S-Moxi could effectively increase the plasma LDL/VLDL and 3-HB levels, while decreasing the plasma valine level, indicating its beneficial effect on lipids metabolism and endothelial injury repair. Previous studies have demonstrated S-Moxi could ameliorate hepatic metabolism and promote blood circulation [ 46 , 47 ]. Taken together, we speculate the main acting sites of S-Moxi may be the liver and vasculature.…”