Lotus(Nelumbo spp.)is a valuable plant resource with promising applications in the cosmetic and food industries.To effectively utilize the aromatic compounds of lotus flowers,it is essential to clarify the optimal har...Lotus(Nelumbo spp.)is a valuable plant resource with promising applications in the cosmetic and food industries.To effectively utilize the aromatic compounds of lotus flowers,it is essential to clarify the optimal harvesting organ and flowering stage.In this study,headspace solidphase microextraction(HS-SPME)and gas chromatography-mass spectrometry(GC—MS)were employed to investigate the volatile profiles of four lotus cultivars across different flowering stages and floral organs.A total of 63 volatile compounds were identified,including 36 terpenes,10 benzenoids/phenylpropanoids,and 17 fatty acid derivatives.Among them,1,4-dimethoxybenzene was the dominant aromatic compound.The volatile profiles of petals differed significantly from those of the other five floral organs.The appendages,a component of the stamens,released the highest concentrations of volatiles,with peak emission at the initial-flowering or full-flowering stages.However,due to pollen dispersal,lotus flowers at full flowering were unsuitable for food or cosmetic applications.Thus,appendages harvested during the initialflowering stage were the most suitable material for high-quality extraction.This study lays a foundation for the industrial development of lotus flower fragrance.展开更多
Cyperus esculentus root oil(CEL)is a plant of significant economic value,rich in unsaturated fatty acids like oleic acid,linoleic acid,and linolenic acid.In this study,human dermal fibroblasts(HSF)were used to create ...Cyperus esculentus root oil(CEL)is a plant of significant economic value,rich in unsaturated fatty acids like oleic acid,linoleic acid,and linolenic acid.In this study,human dermal fibroblasts(HSF)were used to create an inflammatory model,and the impact of coldpressed oil from CEL on the secretion of inflammatory factors was assessed.The results showed that CEL significantly inhibited IL-6 and IL-1βthat were secreted by HSF cells induced by tumor necrosis factor-α(TNF-α)(P<0.0001),with inhibition rates of 50.79%and 20.26%,respectively.Furthermore,CEL markedly enhanced the secretion of the anti-inflammatory factor IL-10(P<0.01),with an improvement rate of 94.42%.The study further explored the impact of CEL on collagen type I(Col-I)and hyaluronic acid(HA)secretion in the cells.The results demonstrated that CEL effectively increased Col-I secretion by 26.15%(P<0.0001)and HA by 30.2%(P<0.0001)when it was administered at a maximum safe mass fraction of 6%,which consequently showed its potential anti-aging and moisturizing properties.Additionally,fluorescence real-time quantitative polymerase chain reaction(PCR)experiments confirmed that CEL significantly inhibited the TNF-α-induced expression of IL-6,IL-1β,and matrix metalloproteinases(MMP-1,3,9)in HSF cells,while promoted the mRNA expression levels of IL-10 and hyaluronic acid synthase.This modulation suggested that CEL exerted anti-inflammatory and anti-aging effects.Finally,the oil’s anti-inflammatory,anti-senility,and moisturizing effects were validated through the clinical evaluations.In summary,CEL,as a natural raw material abundant in unsaturated fatty acids,shows promising potential for further development and usage in cosmetics due to its anti-inflammatory,anti-aging,and moisturizing properties in personal care.展开更多
基金supported by grants from the National Natural Science Foundation of China(Grant No.32102413)the Biological Resources Programme CAS(Grant No.KFJ-BRP-017-44)Zhongshan Sinno Co.,Ltd.
文摘Lotus(Nelumbo spp.)is a valuable plant resource with promising applications in the cosmetic and food industries.To effectively utilize the aromatic compounds of lotus flowers,it is essential to clarify the optimal harvesting organ and flowering stage.In this study,headspace solidphase microextraction(HS-SPME)and gas chromatography-mass spectrometry(GC—MS)were employed to investigate the volatile profiles of four lotus cultivars across different flowering stages and floral organs.A total of 63 volatile compounds were identified,including 36 terpenes,10 benzenoids/phenylpropanoids,and 17 fatty acid derivatives.Among them,1,4-dimethoxybenzene was the dominant aromatic compound.The volatile profiles of petals differed significantly from those of the other five floral organs.The appendages,a component of the stamens,released the highest concentrations of volatiles,with peak emission at the initial-flowering or full-flowering stages.However,due to pollen dispersal,lotus flowers at full flowering were unsuitable for food or cosmetic applications.Thus,appendages harvested during the initialflowering stage were the most suitable material for high-quality extraction.This study lays a foundation for the industrial development of lotus flower fragrance.
文摘Cyperus esculentus root oil(CEL)is a plant of significant economic value,rich in unsaturated fatty acids like oleic acid,linoleic acid,and linolenic acid.In this study,human dermal fibroblasts(HSF)were used to create an inflammatory model,and the impact of coldpressed oil from CEL on the secretion of inflammatory factors was assessed.The results showed that CEL significantly inhibited IL-6 and IL-1βthat were secreted by HSF cells induced by tumor necrosis factor-α(TNF-α)(P<0.0001),with inhibition rates of 50.79%and 20.26%,respectively.Furthermore,CEL markedly enhanced the secretion of the anti-inflammatory factor IL-10(P<0.01),with an improvement rate of 94.42%.The study further explored the impact of CEL on collagen type I(Col-I)and hyaluronic acid(HA)secretion in the cells.The results demonstrated that CEL effectively increased Col-I secretion by 26.15%(P<0.0001)and HA by 30.2%(P<0.0001)when it was administered at a maximum safe mass fraction of 6%,which consequently showed its potential anti-aging and moisturizing properties.Additionally,fluorescence real-time quantitative polymerase chain reaction(PCR)experiments confirmed that CEL significantly inhibited the TNF-α-induced expression of IL-6,IL-1β,and matrix metalloproteinases(MMP-1,3,9)in HSF cells,while promoted the mRNA expression levels of IL-10 and hyaluronic acid synthase.This modulation suggested that CEL exerted anti-inflammatory and anti-aging effects.Finally,the oil’s anti-inflammatory,anti-senility,and moisturizing effects were validated through the clinical evaluations.In summary,CEL,as a natural raw material abundant in unsaturated fatty acids,shows promising potential for further development and usage in cosmetics due to its anti-inflammatory,anti-aging,and moisturizing properties in personal care.
