<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Paul Alan Arkin Alvarado-García</style></author><author><style face="normal" font="default" size="100%">Marilú Roxana Soto-Vásquez</style></author><author><style face="normal" font="default" size="100%">Elda Maritza Rodrigo-Villanueva</style></author><author><style face="normal" font="default" size="100%">José Gilberto Gavidia-Valencia</style></author><author><style face="normal" font="default" size="100%">Natalia Mavila Guzmán Rodríguez</style></author><author><style face="normal" font="default" size="100%">Roger Antonio Rengifo-Penadillos</style></author><author><style face="normal" font="default" size="100%">Julio Víctor Campos-Florián</style></author><author><style face="normal" font="default" size="100%">Yolanda Elizabeth Rodríguez de Guzmán</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Chamomile (Matricaria chamomilla L.) Essential Oil and its Potential Against Stress, Anxiety, and Sleep Quality</style></title><secondary-title><style face="normal" font="default" size="100%">Pharmacognosy Journal</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Anxiety</style></keyword><keyword><style  face="normal" font="default" size="100%">Essential oils</style></keyword><keyword><style  face="normal" font="default" size="100%">Matricaria chamomilla</style></keyword><keyword><style  face="normal" font="default" size="100%">Sleep quality</style></keyword><keyword><style  face="normal" font="default" size="100%">stress</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2024</style></year><pub-dates><date><style  face="normal" font="default" size="100%">February 2024</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">16</style></volume><pages><style face="normal" font="default" size="100%">100-107</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p class=&quot;rtejustify&quot;&gt;&lt;strong&gt;Introduction: &lt;/strong&gt;This investigation aimed to evaluate the effect of Matricaria chamomilla L essential oil on stress, anxiety, and sleep quality. &lt;strong&gt;Methods:&lt;/strong&gt; The essential oils were extracted by hydrodistillation using a modified Clevenger-type apparatus, and the chemical composition was performed by Gas chromatographymass spectrometry (GC–MS). Furthermore, a study was conducted where 128 participants were divided into two groups: a control group and an experimental group treated with essential oils. Stress, anxiety, and sleep quality were evaluated using the Perceived Stress Scale (PSS–10), the Zung Self-Rating Anxiety Scale (SAS), and the Pittsburgh Sleep Quality Inventory (PSQI). In addition, cortisol was measured.&lt;strong&gt; Results:&lt;/strong&gt; Chemical analysis showed thatα-Bisabolol oxide A exhibited the highest concentration at 30.42%, followed by α -Bisabolol (10.94%), α-Bisabolone oxide A (9.82%), and spathulenol (8.83%). Stress, anxiety, sleep quality, and cortisol scores decreased in the post-test study phase compared to the pre-test in the experimental group (p&amp;lt;0.05). Important effect size was found in the case of anxiety (d = 1.203; Δ = 1.246), while medium effects were observed for stress (d = 0.701; Δ = 0.633) and sleep quality (d = 0.888; Δ = 0.732), while cortisol showed small changes (d=0.374; Δ=0.357). &lt;strong&gt;Conclusion:&lt;/strong&gt; The study showed the potential of Chamomile essential oils to reduce stress and anxiety levels and improve sleep quality.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">1</style></issue><work-type><style face="normal" font="default" size="100%">Research Article</style></work-type><section><style face="normal" font="default" size="100%">100</style></section><auth-address><style face="normal" font="default" size="100%">&lt;p class=&quot;rtejustify&quot;&gt;&lt;strong&gt;Paul Alan Arkin Alvarado- García&lt;sup&gt;1,&lt;/sup&gt;*, Marilú Roxana Soto-Vásquez&lt;sup&gt;2&lt;/sup&gt;, Elda Maritza Rodrigo-Villanueva&lt;sup&gt;2&lt;/sup&gt;, José Gilberto Gavidia-Valencia&lt;sup&gt;2&lt;/sup&gt;, Natalia Mavila Guzmán Rodríguez&lt;sup&gt;3&lt;/sup&gt;, Roger Antonio Rengifo-Penadillos&lt;sup&gt;2&lt;/sup&gt;, Julio Víctor Campos-Florián&lt;sup&gt;2&lt;/sup&gt; , Yolanda Elizabeth Rodríguez de Guzmán&lt;sup&gt;4&lt;/sup&gt;&lt;/strong&gt;&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;1&lt;/sup&gt;Escuela de Medicina. Universidad César Vallejo, Trujillo, PERÚ.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;2&lt;/sup&gt;Facultad de Farmacia y Bioquímica. Universidad Nacional de Trujillo, Trujillo, PERÚ.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;3&lt;/sup&gt;Escuela de Psicología. Universidad César Vallejo, Trujillo, PERÚ.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;4&lt;/sup&gt;Facultad de Enfermería. Universidad Nacional de Trujillo, Trujillo, Perú.&lt;/p&gt;
</style></auth-address></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Paul Alan Arkin Alvarado-García</style></author><author><style face="normal" font="default" size="100%">Marilú Roxana Soto-Vásquez</style></author><author><style face="normal" font="default" size="100%">Francisco Mercedes Infantes Gomez</style></author><author><style face="normal" font="default" size="100%">Natalia Mavila Guzmán Rodríguez</style></author><author><style face="normal" font="default" size="100%">Yolanda Elizabeth Rodríguez de Guzmán</style></author><author><style face="normal" font="default" size="100%">Demetrio Rafael Jara-Aguilar</style></author><author><style face="normal" font="default" size="100%">Roger Antonio Rengifo-Penadillos</style></author><author><style face="normal" font="default" size="100%">José Gilberto Gavidia-Valencia</style></author><author><style face="normal" font="default" size="100%">Iris Melina Alfaro-Beltrán</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Effects of Melissa officinalis essential oil on state and trait anxiety</style></title><secondary-title><style face="normal" font="default" size="100%">Pharmacognosy Journal</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Essential oil</style></keyword><keyword><style  face="normal" font="default" size="100%">Melissa officinalis.</style></keyword><keyword><style  face="normal" font="default" size="100%">State anxiety</style></keyword><keyword><style  face="normal" font="default" size="100%">Trait anxiety</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2023</style></year><pub-dates><date><style  face="normal" font="default" size="100%">June 2023</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">15</style></volume><pages><style face="normal" font="default" size="100%">454-460</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p class=&quot;rtejustify&quot;&gt;&lt;strong&gt;Introduction:&lt;/strong&gt; Essential oils are complex substances used extensively in aromatherapy and phytotherapy, some of them as anxiety and stress-relieving agents. In order to evaluate the effects of &lt;em&gt;Melissa officinalis&lt;/em&gt; essential oil on state and trait anxiety, this study was conducted. &lt;strong&gt;Methods: &lt;/strong&gt;The essential oil was extracted by steam distillation and the chemical composition was investigated by Gas chromatographymass spectrometry (GC–MS). In addition, a Quasi experimental study with measures at pretest-posttest was conducted, where 58 participants were divided into two groups, a waiting-list (WL) control group, and an experimental group (EG)treated with aromatherapy based on &lt;em&gt;Melissa officinalis&lt;/em&gt; essential oil. The anxiety index was evaluated by State-Trait Anxiety Inventory (STAI). Measures were taken at two times: pretest and posttest. &lt;strong&gt;Results&lt;/strong&gt;: The chemical analysis showed that β-cubebene (26.3%), β-caryophyllene (25.4%) and geranial (12.5%) were de main components. Both state and trait anxiety levels decreased in the experimental group during the posttest phase; however, only state anxiety demonstrated statistically significant differences (p&amp;lt;0.05). A moderate size effect was found for state anxiety (d = 0.799; g= 0.797) with 1-β=0.803; but none for trait anxiety. &lt;strong&gt;Conclusion:&lt;/strong&gt; &lt;em&gt;Melissa officinalis&lt;/em&gt; essential oil was moderately effective on state anxiety but has no effect on trait anxiety.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">3</style></issue><work-type><style face="normal" font="default" size="100%">Research Article</style></work-type><section><style face="normal" font="default" size="100%">454</style></section><auth-address><style face="normal" font="default" size="100%">&lt;p class=&quot;rtejustify&quot;&gt;&lt;strong&gt;Paul Alan Arkin Alvarado- García&lt;sup&gt;1,*&lt;/sup&gt;, Marilú Roxana Soto- Vásquez&lt;sup&gt;2&lt;/sup&gt;, Francisco Mercedes Infantes Gomez&lt;sup&gt;1&lt;/sup&gt;, Natalia Mavila Guzmán Rodríguez&lt;sup&gt;3&lt;/sup&gt;, Yolanda Elizabeth Rodríguez de Guzmán&lt;sup&gt;4&lt;/sup&gt;, Demetrio Rafael Jara- Aguilar&lt;sup&gt;2&lt;/sup&gt;, Roger Antonio Rengifo- Penadillos&lt;sup&gt;2&lt;/sup&gt;, José Gilberto Gavidia-Valencia&lt;sup&gt;2&lt;/sup&gt;, Iris Melina Alfaro-Beltrán&lt;sup&gt;5&lt;/sup&gt;&lt;/strong&gt;&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;1&lt;/sup&gt;Escuela de Medicina. Universidad César Vallejo, Trujillo, PERÚ.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;2&lt;/sup&gt;Facultad de Farmacia y Bioquímica. Universidad Nacional de Trujillo, Trujillo, PERÚ.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;3&lt;/sup&gt;Escuela de Psicología. Universidad César Vallejo, Trujillo, PERÚ.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;4&lt;/sup&gt;Facultad de Enfermería. Universidad Nacional de Trujillo, Trujillo, PERÚ.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;5&lt;/sup&gt;Instituto Pablo Casals, Trujillo, PERÚ.&lt;/p&gt;
</style></auth-address></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Paul Alan Arkin Alvarado-García</style></author><author><style face="normal" font="default" size="100%">Marilú Roxana Soto-Vásquez</style></author><author><style face="normal" font="default" size="100%">Francisco Mercedes Infantes Gomez</style></author><author><style face="normal" font="default" size="100%">Yolanda Elizabeth Rodríguez de Guzmán</style></author><author><style face="normal" font="default" size="100%">Taniht Lisseth Cubas Romero</style></author><author><style face="normal" font="default" size="100%">Natalia Mavila Guzmán Rodríguez</style></author><author><style face="normal" font="default" size="100%">Olga Gessy Rodríguez Aguilar</style></author><author><style face="normal" font="default" size="100%">Ana María Honores Alvarado</style></author><author><style face="normal" font="default" size="100%">Elsa Rocío Vargas Díaz</style></author><author><style face="normal" font="default" size="100%">Lesly Alexandra Cabrera Cabrera</style></author><author><style face="normal" font="default" size="100%">Klersy Almendra Truyenque Román</style></author><author><style face="normal" font="default" size="100%">Edwar Guido Briceño Esquivel</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Effects of Satureja brevicalyx essential oil inhalation on coping premenstrual syndrome</style></title><secondary-title><style face="normal" font="default" size="100%">Pharmacognosy Journal</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Anxiety</style></keyword><keyword><style  face="normal" font="default" size="100%">Depression</style></keyword><keyword><style  face="normal" font="default" size="100%">Essential oils</style></keyword><keyword><style  face="normal" font="default" size="100%">Premenstrual syndrome</style></keyword><keyword><style  face="normal" font="default" size="100%">Satureja brevicalyx</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2022</style></year><pub-dates><date><style  face="normal" font="default" size="100%">December 2022</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">14</style></volume><pages><style face="normal" font="default" size="100%">728-735</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p class=&quot;rtejustify&quot;&gt;&lt;strong&gt;Introduction: &lt;/strong&gt;The aim of this research was to evaluate the effects of&lt;em&gt; Satureja brevicalyx&lt;/em&gt; essential oil inhalation on premenstrual syndrome.&lt;strong&gt; Methods:&lt;/strong&gt; The oils were extracted by hydro-distillation using a modified Clevenger-type apparatus and chemical composition was performed by Gas chromatography-mass spectrometry (GC–MS). Furthermore, a quasi-experimental study was conducted, where 61 participants were divided in two groups, comprising an experimental with essential oils and a control group with no treatment. Main psychological symptoms were assessed with the used of Zung Self-Rating Anxiety Scale (SAS) and Zung Self-Rating Depression Scale (SDS) as well as total score of premenstrual syndrome was evaluated with Premenstrual Syndrome Scale (PMSS).&lt;strong&gt; Results:&lt;/strong&gt; chemical analysis showed that linalool (17.6%) was the main component. All variables showed a decrease in posttest study phase in comparison with pretest in experimental group (p&amp;lt;0.05). A large size effect was observed for anxiety (d = 1.25; Δ = 1.35). Besides, moderate changes were found for depression (d = 0.79; Δ= 0.81) and premenstrual syndrome total score (d = 0.62; Δ = 0.56)&lt;strong&gt;. Conclusion: &lt;/strong&gt;The essential oil of&lt;em&gt; Satureja brevicalyx &lt;/em&gt;exerts a potencial use, especially for the treatment of psychological symptoms of premenstrual syndrome.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">6</style></issue><work-type><style face="normal" font="default" size="100%">Original Article</style></work-type><section><style face="normal" font="default" size="100%">728</style></section><auth-address><style face="normal" font="default" size="100%">&lt;p class=&quot;rtejustify&quot;&gt;&lt;strong&gt;Paul Alan Arkin Alvarado-García&lt;sup&gt;1,*&lt;/sup&gt;, Marilú Roxana Soto-Vásquez&lt;sup&gt;2&lt;/sup&gt;, Francisco Mercedes Infantes Gomez&lt;sup&gt;1&lt;/sup&gt;, Yolanda Elizabeth Rodríguez de Guzmán&lt;sup&gt;3&lt;/sup&gt;, Taniht Lisseth Cubas Romero&lt;sup&gt;4&lt;/sup&gt;, Natalia Mavila Guzmán Rodríguez&lt;sup&gt;5&lt;/sup&gt;, Olga Gessy Rodríguez Aguilar&lt;sup&gt;6&lt;/sup&gt;, Ana María Honores Alvarado&lt;sup&gt;6&lt;/sup&gt;, Elsa Rocío Vargas Díaz&lt;sup&gt;6&lt;/sup&gt;, Lesly Alexandra Cabrera Cabrera&lt;sup&gt;1&lt;/sup&gt;, Klersy Almendra Truyenque Román&lt;sup&gt;1&lt;/sup&gt;, Edwar Guido Briceño Esquivel&lt;sup&gt;1&lt;/sup&gt;&lt;/strong&gt;&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;1&lt;/sup&gt;Escuela de Medicina. Universidad César Vallejo, Trujillo, PERÚ.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;2&lt;/sup&gt;Facultad de Farmacia y Bioquímica. Universidad Nacional de Trujillo, Trujillo, PERÚ.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;3&lt;/sup&gt;Facultad de Enfermería. Universidad Nacional de Trujillo, Trujillo, PERÚ.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;4&lt;/sup&gt;Universidad Autónoma del Perú, Lima, PERÚ.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;5&lt;/sup&gt;Escuela de Psicología. Universidad César Vallejo, Trujillo, PERÚ.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;6&lt;/sup&gt;Escuela de Enfermería. Universidad Privada Antenor Orrego, Trujillo, PERÚ.&lt;/p&gt;
</style></auth-address></record></records></xml>