All O VOC concentrations were low compared with other measurement locations but displayed some seasonal variability, with five compounds (chloroform, p-dichlorobenzene, d-limonene
, [alpha]-pinene, and trichloroethylene) more frequently detectable and at higher concentrations in spring compared with winter.
Citral, [beta]-myrcene and d-limonene
are the major monoterpenes from these three essential oil chemotypes.
Besides methyl soyate, d-limonene
and lactate esters are also high growth markets.
Risk assessment of d-limonene
: an example of male rat-specific renal tumorigens.
Monuron (MON, 99% pure), ethylene thiourea (2-imidazolidine ethione; ETU, 98% pure), diethyl thiourea (DETU, 98% pure), R(+)-limonene (d-limonene
; LIM, 97% pure), diethylhexyl phthalate (dioctyl phthalate; DEHP, 99% pure), and 1,4-dichlorobenzene (DCB, 99% pure) were obtained from Aldrich Chemical Co., (Gillingham, Dorset, UK).
In the first series of experiments, we injected d-limonene
directly into the inner chamber and reacted it with [O.sub.3] under three different conditions of relative humidity (RH): 30%, 50%, and 70%.
Table 1: Popular Essential Oils in Soap and Cosmetic Formulations Common Name Vanilla Almond Sandalwood Oil Cinnamon Oil Lemon Oil Peppermint Oil Lavender Oil Rose Oil Botanical Source Vanilla planifolia Prunus dulcis Santalum album Cinnamomum zeylanicum Citrus sinensis Mentha piperita Lavandula angustifolia Rosa hybrida Key Chemical Constituents Vanillin, Ethyl vanillin Benzaldehyde, mandelonitrile [alpha]- and ([beta]-Santalol, lanceal Cinnamaldehyde d-Limonene
, Geraniol, Citral I-Menthol Linalool Citral, [beta]-phenyl ethanol, other
Because orange oil is 90% d-limonene
, it can be used instead of d-limonene
for many applications.
Intake of D-limonene
can help treat gallstones, according to several studies.
Countries such as India, China and Singapore are leading the Asia-Pacific market with increasing awareness among general population about benefits of D-Limonene
and limonene products, rising personal disposable income, and significant investment by leading industry players considering potential growth opportunities in the region.
cyminum essential oil, the majority constituents were Cuminaldehyde, [gamma]-terpinene, [beta]-pinene, o-cymene, 2-caren-10-al, 1-phenyl1-butanol and D-limonene
agreeing with the results found by others authors, only with few variations (Shetty et al., 1994; Wanner et al., 2010; Kamble, 2015).
While the fruit contains D-limonene
, the grapefruit oil tends to promote healthy metabolism and cleanse lymphatic glands, thereby encouraging weight loss.