- Research article
- Open Access
- Open Peer Review
Herbal remedies used for the treatment of infertility in males and females by traditional healers in the rural areas of the West Bank/Palestine
BMC Complementary and Alternative Medicine volume 19, Article number: 194 (2019)
Infertility is considered one of the global public health problems and during human history, it is also considered one of the unsolved problems of the continuous human race. This study aimed to collect and document the ethnopharmacological data on herbal remedies, which traditionally used by Palestinian healers in the rural areas of the West Bank area for the treatment of infertility in males and females.
Using a semi-structured questionnaire, an ethnopharmacological survey of medicinal plants used for the treatment of infertility in the West Bank area of Palestine was investigated. This survey involved 51 traditional healers which were interviewed in rural areas from 9 Palestinian regions.
Information about 31 plants used in the treatment of infertility in females and 24 plants used in the treatment of infertility in males were collected. This information including names of plants, parts used, mode and methods of preparation which were obtained from 51 traditional healers interviewed in rural areas of 9 regions of the West Bank/Palestine. This investigation is the first scientific work in the Middle East area which collected information about herbal remedies used by local Palestinian traditional healers for the treatments of infertility in males and females. The highest Frequency of Citation (FC) of herbal remedies used in case of infertility in females, were 98.04% for pollen grains from Ceratonia siliqua, 88.24% for Anastatica hierochuntica fruits and 84.31% for Parietaria judaica leaves, while the highest Frequency of Citation (FC) of herbal remedies used in case of infertility in males were 96.08% for Ferula hermonis roots, 88.24% for Phlomis brachyodon leaves and 86.27% for Phoenix dactylifera pollen grains.
Herbal healers in the West Bank area of Palestine have a wide range of herbal remedies used in case of infertility in males and in females. Unfortunately, most of them lack scientific evidence of pharmacological or toxicological nature. Therefore, the information obtained in this study can serve as a scientific base for further investigations to determine their efficacy and safety which might contribute to better integration of Palestinian traditional medicine into the global health system in the future.
Ethnopharmacological surveys have been found to be one of the most reliable tools for the discovery of the natural and semi-synthetic drug. In fact, herbals and other natural products, including their chemical derivatives, represented about 50% of all currently utilized medications worldwide . The usage of plants Kingdom by human beings, as a source of medicines, started from the immemorial time for treatment, protection, and prevention of various illnesses. Till recent time, herbals are considered one of the most important branches of traditional medicine. In fact, this kind of medicine plays until now an important role in health care systems, especially in rural areas in developed and developing countries [2,3,4,5,6]. In fact, traditional medicine is considered a very important branch of pharmacy and medicine and besides that, the used plants in this medicine are considered major sources for the investigation of pharmacologically active drugs in the pharmaceutical industry. In addition, the global public interests are in continuous growing toward the use of this type of medicine. In fact, about 80% of people in rural areas of developing countries utilized traditional medicine, since it is available, cheap and has a variety of health benefits [7,8,9].
In Palestine and other countries, traditional healers are well-known by different names such as traditional medical practitioners, traditional doctors, people’s doctors, healers, practitioners of Arabian traditional medicine, Arabian therapists, therapists in prophet medicine, and Islamic practitioner healers .
According to the World Health Organization and the International Committee for Monitoring Assisted Reproductive Technology, infertility is a disorder of the reproductive system which is defined by the failure to achieve a clinical pregnancy after one year or more of regular unprotected sexual intercourse .
Recently, a huge number of factors caused an increase in infertility levels among males and females, especially in developed countries. These factors include the increased use of contraceptives, rising maternal age, smoking, alcohol, genetic factors, pesticides, narcotics, rates of abortion, and critical economic situations. Besides that, an increase in male impotency could be due to the psychogenic factors, vascular disturbances, neurogenic disorders, endocrine system disturbances and drug treatment [12, 13]. This health care problem can lead to serious psychological disorders, severe stressful and depressing life for parents. In fact, this global problem ranked in the fourth position after the death of the mother, the death of father and unfaithfulness of partner . Accordingly, the treatment of infertility has become a large pharmaceutical and medical industries issues, arranging from manufacturing and prescribing fertility hormones and other drugs to in vitro fertilization operations . In 2010, the World Health Organization (WHO) estimated that about 48.5 million couples worldwide were infertile and 1.9% of women aged 20–44 who wanted a child were unable to have their first live birth. In addition, 10.5% of women who had previously given birth were unable to have another baby after five years of trying. This may raise the question about the used measures that caused this high percentage [14, 16, 17].
In the West Bank area, the infertility rate among men and women is relatively high with a rate of about 15% in 2016 according to World Health Organization, the Sixty-ninth World Health Assembly report .
The treatment of infertility in males and females are varying in their associated risks, intensity, and invasiveness which depend on the duration, cause, age, and personal preferences. Meanwhile, the physical, financial, and time commitment is the required factors for infertility treatment. The infertility treatments can range from medication therapy to induce ovulation to invasive manipulation of eggs and sperm outside of the body . As well as all the infertility treatments are very expensive, many of poor patients or patients who believe in alternative medicine or others people which their previous infertility treatments had failed, all of those are seeking for the alternative herbal medicine to solve this problem .
Throughout this ethnopharmacological survey, the current study aimed to collect information about herbal remedies used by local rural traditional healers in 9 regions of the occupied West Bank Area of Palestine which used in the treatment of infertility in males and females. The collected data including the plant’s names, used parts, methods of preparations and route of administrations.
Materials and methods
Palestine has been the battleground of the great powers and civilizations in the region throughout its history, which occurred due to its specific location at the crossroads of Africa, Asia, and Europe, Conquerors of the region included Egypt, Assyria, Macedonia, Rome, Byzantium, Arabia, and Turkey. Settlement in the area is believed to date back to about 8000 B.C.E., to the village of Jericho in the West Bank. West Bank area is one of the important parts of historical Palestine (Holy Land), which considered holy by Jews, Christians, and Muslims. Part of the significance of the land stems from the religious significance of Jerusalem, the historical region of Jesus’ ministry, the holiest city to Judaism, and the site of the Isra and Mi’raj event in Islam. Accordingly, this region represents a very important source of information for the field of ethnomedicine. Due to specific geographical location and climatic conditions (mostly Mediterranean), West Bank area of Palestine is a suitable place for growing a huge variety of herbals. Nowadays, of about 2700 plant species which have been identified in this country .
The West Bank is an area of extensive wild biodiversity, farming, and valuable rangelands.
Its central mountain chain endowed with a mild climate is grooved by deep valleys, rich in natural resources, and stretches into rolling hills that plunge further east into the Jordan Valley and the Dead Sea which considered the lowest point on earth and has a worldwide attraction . Due to its distinctive geographical location, climatic diversity, historical profile, and religious variables, all these factors affected positively and enriched the diversity of ethnomedicine in this small area of the world .
Data collection from traditional healers
Ethnopharmacological data about herbal remedies used in the treatment of infertility in males and females were collected through open-ended semi-structured interviews with 51 traditional healers (informants) during fieldwork. The interviews were conducted in the Arabic language which is the native language of the informants. This survey was conducted between June and August 2017. During the transect walks, plants were collected under the supervision of the traditional healers. Plant voucher specimens were collected and deposited at the Natural products Laboratory, An-Najah National University for identification. Plant names have been checked and updated with the online website (www.theplantlist.org) of the Royal Botanic Gardens, Kew, accessed on 3 July 2017. Areas visited included some rural regions of the West Bank/ Palestine, including rural areas of Nablus, Jenin, Tulkarem, Qalqilya, Ramallah, Jericho, Jerusalem, Bethlehem, and Hebron regions (Fig. 1).
The study protocol and the informed consent forms were approved by the Institutional Review Board (IRB) at An-Najah National University (Archived number 9th June 2017). The study was conducted in accordance with the requirements of the declarations of Helsinki (World Medical Association 2008), Harmonization (ICH1996) Guidelines, the current Good Clinical Practice (GPC) Guidelines (EME 1997) and the International Conference and written informed consent for participation in the study was obtained from all informants.
To protect the interest of traditional healers, they were informed by the researchers in details about the current study and its purposes, also they were not offered any incentives and they were able to withdraw from this study at any time.
The survey was carried out by using interviews among 51 traditional healers (N = 51) from different rural areas of Nablus, Jenin, Tulkarem, Qalqilya, Ramallah, Jericho, Jerusalem, Bethlehem and Hebron regions in the West Bank/Palestine. These traditional healers were well-known in the various Palestinian communities and herbalists which utilized herbal products to treat infertility.
The plant’s vernacular names, methods of preparation and administration of these herbal remedies were collected throughout these interviewees (Social demographic factors are presented in Table 1).
The Choice Value (CV) method is a valuable assessment tool to measure related plant species for the treatment of infertility in males and females .
The CV is calculated as in the following equation:
Pcs: percent of informants that cited certain plant species for the treatment of infertility in males and females.
Sc: is the total number of species mentioned for the treatment of disease by all informants. Choice values are ranked from 0 to 100 with 100 indicating complete preference and fewer alternatives.
The frequency of citation (FC) for all plants species in this study was calculated by using the following formula :
Social demographic informant’s details
The results of social and demographic factors of informants showed that the percentage of female healers is slightly higher than males and most of them were uneducated. Precisely, the selected 51 traditional healers from various rural areas of West Bank/Palestine comprised 45.1% of the males and 54.9% females. The majority of traditional healers were uneducated 52.9%, while the elementary and secondary schools’ education levels represented 25.5 and 21.6%, respectively (Table 1). The highest percent of informants was from Jericho rural area followed by Bethlehem and Hebron which represented 17.6 and 13.7%. In addition, the majority of them (52.9%) had experienced between 31 and 40 years as well as the most important thing in this survey, 94.1% of these traditional healers acquired their knowledge from their ancestors.
Results and discussion
The results of the present study showed that a total of 31 plants from 24 families used for the treatment of infertility in females, meanwhile 24 plants from 20 families used for the treatment of infertility in males in West Bank area of Palestine as shown in Tables 2 and 3.
Infusions and decoctions were the most frequently used methods of preparation for treatment of infertility in females as presented in Fig. 2. Meanwhile, decoctions and infusions were the most frequently used methods of preparation for treatment of infertility in males as presented in Fig. 3.
Flowers, fruits, leaves, and seeds were reported to be the most frequently used parts of plants for the treatment of infertility in females, constituting about 65% of the parts used. This was followed by bark, roots, rhizomes and pollen grains as shown in Fig. 4.
Correspondingly, seeds, roots, leaves, and pollen grains were reported to be the most frequent parts used of plants in the treatment of infertility in males, constituting about 88% of the parts used. This was followed by fruits, flowers, and bulbs as can be seen in Fig. 5.
The utilization of herbals in the treatment of various physiological disorders and diseases goes back to several millennia and more than 60% of the world’s population, especially in the rural areas of developing countries, utilized plants, and other natural products for pharmaceutical and medical aims. In addition, about 25% of modern medications are derived from herbal products and nowadays, the use of natural herbal products has shown an increase in both developed and developing countries [26, 27]. For huge numbers of childless people, infertility disease considered a personal social and psychological problem, which equitably distributed between males and females. Hence, since ancient times, herbal remedies are considered one of the most available methods in the treatment of this disorder . Recently, various isolated natural compounds or crude plants extracts are widely used in the treatment of infertility in males such as low sperm accounts, sexual asthenia, erectile dysfunction, the absence of libido and other psychological and physiological disorders .
Concerning the fertility in females, it may be affected by many factors, including various physiological diseases and disorders, malnutrition, and malformations of the uterus .
Usually, the selection of herbs and remedies by traditional healers is based on their experience and information that have been inherited from their ancestors. As shown in Table 1, the majority of the informants (traditional healers) were females and most of them were uneducated people. This result may be due to the Palestinian culture where parents try to transfer the acquired knowledge to their children. In addition, the reason why the majority of them were uneducated may be due to the bad economic situation in this country so many of them consider this tradition as a source of economic income. Accordingly, the results may be of scientific value and good credibility in some way, since these informants may be struggling to find the best results in order to maintain their clients. The same table also showed that high percentages of the informants were from the rural area of Jericho. This region is considered a very old historical profile as well as it considered the oldest city and the lowest area in the entire world.
The results of the current study showed that the Palestinian ethnopharmacology is rich in herbal remedies used in the treatment of infertility in males and in females.
In fact, a huge number of plants families (44 families) were reported to be effective in the treatment of this disorder. However, different plants species were used to treat infertility in females and males as reported in Tables 2 and 3. In addition, Table 4 showed the highest FC and CV values for the herbal remedies used in the treatment of infertility among females and males in the West Bank area of Palestine.
Moreover, in the case of infertility in females, Table 2 showed that 31 herbal remedies were used in the treatment of this disorder and most of them were obtained from fruits and flowers, while the most used method of preparation was an infusion. The same table also showed that the highest Frequency of Citation (FC) of herbal remedies in case of female infertility was 98.04% for pollen grains from Ceratonia siliqua, 88.24% for Anastatica hierochuntica fruits and 84.31% for Parietaria judaica leaves. Moreover, Table 3 showed that 24 plants prescribed by traditional healers in the West Bank area of Palestine for the treatment of infertility in males and most of them obtained from the plant’s seeds, whereas as the most used method of preparations were decoctions. Meanwhile, the highest Frequency of Citation (FC) of herbal remedies in case of infertility in males were 96.08% for Ferula hermonis roots, 88.24% for Phlomis brachyodon leaves and 86.27% for Phoenix dactylifera pollen grains.
In comparison with other regional ethnopharmacological surveys about herbal remedies used for the treatment of infertility, Palestine is considered the richest region with these remedies.
Table 2 showed that the highest Frequency of Citations of herbal remedies which used in case of infertility in males were 96.08% for Ferula hermonis roots, 88.24% for Phlomis brachyodon leaves and 86.27% for Phoenix dactylifera pollen grains.
Moreover, Hadidi et. al. and by Zanoli et al., investigated the potential positive effect of F. hermonis on male’s infertility. Both groups of the study concluded that the acute use of F. hermonis cause an increase in male fertility while the prolonged use of this plant may lead to fertility disturbances. Moreover, the study conducted by Zanoli et al showed a reduction in body weight and in weights of testes and other sex accessory organs [36, 37]. Another study that was conducted by Homady et al. confirmed the aphrodisiac effect of Ferula hermonis in male and female mice after intragastric application of 3 mg/kg/day of this plant extract for 6 weeks .
Meanwhile, Phlomis brachyodon did not mention in any folk medicine for the treatment of male’s infertility also its pharmacological effect not verified yet. Moreover, the pollen grains of Phoenix dactylifera has been used in the treatment of infertility in males in the folk medicine of several Arabian countries [39, 40].
Another study that was conducted by Bahmanpour et al. and Abedi et al., demonstrated that Phoenix dactylifera pollen grains extract can improve sperm parameters and reproductive system in adult male rats [41, 42]. However, to the best of our knowledge, no sufficient scientific studies were conducted in order to prove the safety of consumption of pollen grains of Phoenix dactylifera plant except that one which was conducted by Sadiq et al .
Moreover, the highest Frequency of Citation (FC) remedies which used in case of infertility in female were 98.04% for pollen grains from Ceratonia siliqua, 88.24% for Anastatica hierochuntica fruits and 84.31% for Parietaria judaica leaves.
To the best of the authors’ knowledge, it has not been reported in previous studies about folk medicine, evidence-based uses and toxicity of the pollen grains of Ceratonia siliqua, the fruits of Anastatica hierochuntica and the leaves of Parietaria judaica in the treatment of infertility in females and this study will be the first one.
Concerning the used preparation methods, infusions and decoctions were the most frequently used methods of preparation for treatment of infertility in females and males (Figs. 2 and 3). However, these two methods are considered harsh methods and may negatively affect the efficacy and the final organoleptic properties of the obtained extracts. Therefore, it would be interesting to assess the efficacy and the organoleptic properties of the most cited plants after being extracted by using the friendliest extraction methods such as the cold press and critical fluid extractors. Concerning the difference between herbal remedies that were advised for male and female, this may be due to the difference between genders in term of physiology and types and level of hormones as well as due to the phytochemical constituents that should affect this physiology and hormonal level.
The limitations of the current study are pharmacological, toxicological and clinical studies to confirm the most cited plant’s mechanism of actions, safety, and pharmacological efficacy. Such studies usually include a complete chemical analysis for identification of their different chemical constituents, especially those responsible for their pharmacological actions.
Throughout history, males and females have tried to enhance or control their fertility with various levels of societal support. This study showed that the ethnomedicine in the West Bank area of Palestine is rich with plants which used for the treatment of infertility in males and females in comparison with the neighboring countries. Some of the plants found in this study are also used for treating infertility problems elsewhere while others are being reported for the first time. Also, it’s worthy to take in considerations that these plants had not been evaluated clinically to approve its safety and efficacy.
Availability of data and materials
The datasets used and/or analyzed during the current study available from the corresponding author on reasonable request.
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The authors are thankful for the kind help of traditional healers in the study area and for An-Najah National University for its support.
Ethics approval and consent to participate
The aims of this study, protocols and the informed consent forms were approved by the Institutional Review Board (IRB) at An-Najah National University (IRB archived number: 9th June 2017). This study was carried out according to the requirements of the declarations of Helsinki. Written informed consent for participation in the study was obtained from all informants.
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Cite this article
Jaradat, N., Zaid, A.N. Herbal remedies used for the treatment of infertility in males and females by traditional healers in the rural areas of the West Bank/Palestine. BMC Complement Altern Med 19, 194 (2019). https://doi.org/10.1186/s12906-019-2617-2
- Herbal remedies
- Traditional healers
- West Bank/Palestine