中新社贵州盘州11月22日电 题：贵州妥乐村古树"生金" 中新社记者 周燕玲 中新社记者在妥乐村看到，一棵棵高大的古银杏树矗立在房前屋后、山间溪边，粗壮的树根蜿蜒探入农 家小院，与民居交错相融，形成"村在林中、人居树下"的独特格局。 妥乐村拥有古银杏树1400余株，树龄最长的一株有1500多年历史。时下，海内外游客悠闲地走在洒满落 叶的小径上，仿佛走入一个金色的童话世界。 11月20 日，航拍贵州省盘州市石桥镇妥乐村。阳茜 摄 年过六旬的陈子文和老伴在古树下摆着摊，向游客售卖银杏果和山货。忙碌间隙，陈子文说："这些树 是祖辈守护并传下来的宝贝，小时候贪玩想折根树枝，父亲都会严厉制止。" 古银杏树在妥乐村地位极高，妥乐村中沿袭的古规，毁树者"轻则罚跪，重则棒捶"，逢年过节还要举行 隆重的祭树活动。如今，这些古树正以新的方式回馈守护它的村民，金灿灿的银杏叶每年吸引大量游客 前来。 广州摄影爱好者张远东是第一次来妥乐村。"身临其境的感觉完全不一样。"他说："这些千年古树盘根 错节，感觉这里的人是真的在与古树共生。" 11月20 在贵州省盘州市石桥镇妥乐村，最珍贵的"传家宝"不是压在箱底，而是长在屋外的古银杏树。 " ...

Core Insights - The launch of the "Bao's Journey" tourist train from Baoji to Huixian has successfully attracted around 1,000 tourists, showcasing the region's natural beauty and cultural heritage [1][3] - The initiative aims to enhance local tourism and stimulate the economy by providing a unique travel experience that combines nature, local customs, and cuisine [3] Group 1: Tourist Experience - Tourists are welcomed with organized services from local volunteers, enhancing their initial experience upon arrival [1] - The itinerary includes visits to key attractions such as the Moonlight Gorge and the ancient ginkgo tree grove in Tianhe Village, offering a blend of scenic beauty and cultural experiences [1][2] - Visitors can enjoy local delicacies like ginkgo fruit and "Kuan Kuan tea," which adds to the overall appeal of the trip [2] Group 2: Economic Impact - The special train service has been designed to meet the travel demands of tourists while leveraging Huixian's unique tourism resources, including its natural landscapes and cultural elements [3] - The influx of tourists has positively impacted local businesses, with increased foot traffic in restaurants and stalls, leading to a rise in sales of local products such as ginkgo-themed handicrafts and specialty foods [3] - The initiative has successfully transformed tourism flow into economic benefits for the region, highlighting the potential for sustainable tourism development [3]

Core Viewpoint - The article highlights the growing trend of "autumn picking" activities in Chengdu, Sichuan, where citizens and tourists engage in collecting fallen leaves and fruits while enjoying the autumn scenery. It emphasizes the importance of awareness regarding the potential risks associated with certain plants during these activities [1][3][30]. Group 1: Autumn Picking Activities - "Autumn picking" has become a popular way for people to connect with nature and enjoy the beauty of the season in Chengdu [1][3]. - Visitors to the Chengdu Botanical Garden participate in activities such as collecting leaves and taking photos of the autumn landscape [3][5]. - Children are also involved in these activities, learning about nature under the guidance of parents and teachers [5][9]. Group 2: Plant Safety and Risks - The article discusses the distinction between edible and non-edible "red beans," highlighting that the "red beans" collected are from a protected species and are not safe to eat [11][13]. - Experts warn about the toxic nature of certain plants, such as the "red bean tree" and "acacia seeds," which can cause severe health issues if ingested [15][17]. - The article also addresses the risks associated with collecting ginkgo fruits, which contain toxic substances and should be handled with caution [22][26]. Group 3: Health Precautions - Medical professionals advise against consuming certain plants without proper knowledge and preparation, emphasizing the importance of cooking ginkgo fruits to avoid toxicity [28][30]. - Recommendations include washing hands after outdoor activities to prevent the transfer of harmful substances and adhering to guidelines for safe "autumn picking" [33][35]. - The article suggests three principles for safe collecting: do not pick or damage plants, avoid consuming unknown plants, and focus on diverse collection rather than excessive picking of one type [35].

Core Points - The article emphasizes the importance of safe consumption of ginkgo nuts, highlighting their toxic components and the need for proper preparation methods [1][2][6] Group 1: Toxicity and Safety - Ginkgo nuts contain toxic substances, particularly in the embryo, which includes white fruit acid and hydrogen cyanide, posing risks to heart health if consumed improperly [1] - The outer skin of ginkgo nuts can also cause skin irritation, necessitating the use of gloves when handling them [1] - A "three-step detox method" is recommended: removing the shell, skin, and embryo, boiling in water for 10 minutes, and then cooking thoroughly before seasoning [2][3] Group 2: Cooking Methods - Proper cooking methods can enhance the taste of ginkgo nuts, with steaming, stewing, and stir-frying being suggested techniques [4][5] - Ginkgo nuts should be consumed while hot, as they contain branched starch that hardens when cooled [5] Group 3: Consumption Guidelines - Consumption should be limited to 10 nuts for adults, 5 for children, and should be avoided entirely for infants [6] - Caution is advised when foraging for ginkgo nuts from the roadside due to potential contamination from pollutants and pesticides [5]

Core Viewpoint - The article discusses the dangers of consuming raw ginkgo fruits, highlighting their toxic properties and the risks associated with picking them from the streets [11][12][13]. Group 1: Toxicity of Ginkgo Fruits - Ginkgo fruits, also known as white fruits, contain significant amounts of ginkgo acid, which can reach 20 mg/kg, and other toxic substances such as cyanide and allergenic proteins [11][12]. - The highest concentration of toxic components is found in the embryo of the ginkgo fruit, particularly in the green embryo, which poses the greatest risk [13]. - The fruits can also be contaminated with harmful substances from the environment, such as dust and vehicle emissions, as well as pesticides used on ginkgo trees [13]. Group 2: Health Risks and Symptoms - Consumption of improperly processed or excessive amounts of ginkgo fruits can lead to poisoning, with symptoms appearing within 3 to 4 hours, including fever, vomiting, abdominal pain, and potentially severe outcomes like respiratory failure [16]. - Mild skin allergies from contact with ginkgo fruit juice can be treated with cleansing and topical treatments, while severe allergic reactions require immediate medical attention [15]. - In cases of poisoning, inducing vomiting and seeking emergency medical help is crucial [17].

Core Viewpoint - Ginkgo fruit, also known as white fruit, is considered nutritious by many, but it is toxic and should not be consumed without professional processing [3][4] Group 1: Toxicity of Ginkgo Fruit - Unprocessed ginkgo fruit contains a significant amount of ginkgo acid, reaching 20 mg/kg, which has clear allergenic, cytotoxic, and immunotoxic properties [3] - The fruit also contains cyanide and similar alkaloids, making it highly toxic [4] Group 2: Environmental Contamination - Ginkgo fruit found on roadsides may be contaminated with harmful substances such as dust and vehicle exhaust, and the trees are often treated with pesticides [4] Group 3: Symptoms and Treatment of Ginkgo Poisoning - Mild skin allergies from contact with ginkgo juice can be treated with detergent and calamine lotion, while severe reactions require immediate medical attention [5] - Symptoms of improper consumption include fever, vomiting, abdominal pain, diarrhea, and in severe cases, respiratory failure [5] Group 4: Safe Consumption Guidelines - Ginkgo fruit should only be purchased from reputable sources and must be cooked properly to reduce toxicity [7] - Toxic parts must be removed, including the outer skin, inner skin, and embryo, and the fruit should be thoroughly cooked [7] - Recommended consumption is limited to no more than 10 fruits for adults, with pregnant women and infants advised to avoid it entirely [7]

Core Points - The article highlights the dangers of consuming unprocessed ginkgo fruit, commonly known as "white fruit," which can lead to poisoning if not handled properly [5][8][18] Summary by Sections Ginkgo Fruit Toxicity - Ginkgo fruit contains toxic components such as ginkgotoxin and cyanide, which can cause severe allergic reactions and poisoning [7][8] - The outer skin and flesh of the ginkgo fruit contain allergenic substances that can lead to contact dermatitis [7][8] - The embryo of the ginkgo fruit has the highest concentration of toxic substances, particularly in its green state [7][8] Consumption Guidelines - It is advised not to consume ginkgo fruit without proper processing, which includes removing toxic parts and thoroughly cooking the fruit [16][18] - Recommended cooking methods include boiling for at least 10 minutes before further preparation [16][18] - The suggested maximum consumption for adults is 10 fruits at a time, with pregnant women and infants advised to avoid it altogether [18] Emergency Response - In case of accidental exposure or ingestion, immediate actions include washing the affected area or inducing vomiting, followed by seeking medical attention [11][13][14][12]

Core Viewpoint - Ginkgo fruit, while having nutritional value, poses significant health risks due to its toxic components, necessitating caution in its consumption and handling [3][4][5]. Summary by Sections Nutritional Value and Usage - Ginkgo fruit, also known as "white fruit," is recognized for its health benefits, including warming the lungs and aiding in respiratory issues, as noted in historical texts [4]. Toxicity and Health Risks - Unprocessed ginkgo fruit contains high levels of ginkgotoxin, with concentrations reaching 20 mg/kg, which can lead to allergic reactions, cell toxicity, and immune toxicity [4][5]. - The fruit's skin and flesh contain allergenic substances that can cause contact dermatitis, with symptoms ranging from redness and itching to severe blistering [4]. - The embryo of the ginkgo fruit is the most toxic part, particularly the green embryo, which contains the highest levels of ginkgotoxin and cyanide, posing a risk of severe poisoning if consumed improperly [5]. Symptoms and Emergency Response - Symptoms of ginkgo fruit poisoning can manifest within 3 to 4 hours after consumption, including fever, vomiting, abdominal pain, diarrhea, convulsions, and potentially fatal respiratory failure [6][7]. - For mild allergic reactions, immediate washing of the affected skin area is recommended, followed by the application of a soothing agent [6]. - In cases of severe allergic reactions or poisoning, it is crucial to seek emergency medical assistance promptly [7].