Volatile components and nutritional qualities of Viscum articulatum Burm.f. parasitic on ancient tea trees

Abstract

Volatile flavor compounds (VFCs) and nutrients in Viscum articulatum Burm.f. parasitic on ancient tea trees (named TM) were studied in this research by headspace solid‐phase microextraction (HS‐SPME)/gas chromatography–mass spectrometry (GC–MS) and conventional methods. Sixty‐six volatile compounds belonging to different classes were identified by GC–MS. The ketones, alcohols, and aldehydes were the principal aroma groups in TM according to principle component analysis (PCA). The most abundant aroma components in TM included benzaldehyde (9.64%), geranylacetone (7.92%), epoxy‐β‐ionone (7.71%), β‐linalool (7.35%), methyl salicylate (6.96%), and hotrienol (6.14%), significantly higher than CKs (p < .05). The positive PC1 and PC2 in TM were correlated with benzaldehyde, hotrienol, methyl salicylate, and geranylacetone. The mistletoes could be differentiated from CKs due to the difference in aroma compounds. Clean and fresh, woody and nutty odor with minor floral scent was the characteristics of TM. Analysis of the nutritional components showed that contents of polyphenols and catechins in TM were at trace levels, significantly lower than CKs (p < .05). The total contents of polyphenols, amino acids, carbohydrates, and caffeine in TM were significantly lower from the total soluble solids (p < .05), indicating that there were still lots of compounds undetected in TM. The sensory test showed that the taste and aroma in TM can be accepted, which indicates TM could be developed into alternative tea drinks in the future.

Recent advances of green pretreatment techniques for quality control of natural products

“…The recent applications of HF-LPME on the extraction of NPs are listed in Supporting Information Table S1, which also involve their research significance. The combination of headspace sampling technology and solid phase microextraction used in this experiment can achieve good enrichment and separation for the qualitative and quantitative analysis of NPs [37][38][39][40][41]. Some of these research were conducted to analyze the volatile components in the NPs to distinguish the difference in various interspecies, storage form, breeding seasons, etc.…”

The complete chloroplast genome of a medicinal plant Viscum articulatum Burm.f. (Loranthaceae)

“…For the above reasons, the pharmacognostical and phytochemical investigation of this plant have been intriguing the interests of researchers (Wang et al. 2019 ; Nag et al. 2020 ; Najafi et al.…”

“…Viscum articulatum Burm.f. 1768, a parasitic herbaceous perennial plant, is commonly hosted in ancient tea trees of Yunnan province, southwest China (Wang et al 2019). It is also distributed widely in India and Bangladesh (Nag et al 2020).…”

“…V. articulatum is usually used as famous ethno-medicinal plant for the treatment of hemorrhage, pleurisy, gout, heart disease, arthritis, and hypertension (Li et al 2008). It is also used as a popular drink in many provinces of China, which has been developed into expensive commercial products for sale by tea companies (Wang et al 2019). For the above reasons, the pharmacognostical and phytochemical investigation of this plant have been intriguing the interests of researchers (Wang et al 2019;Nag et al 2020;Najafi et al 2010).…”

“…It is also used as a popular drink in many provinces of China, which has been developed into expensive commercial products for sale by tea companies (Wang et al 2019). For the above reasons, the pharmacognostical and phytochemical investigation of this plant have been intriguing the interests of researchers (Wang et al 2019;Nag et al 2020;Najafi et al 2010).…”