Philippine medicinal plantsMedicines made from 10 DOH-approved Philippine medicinal plants have become ever more popular among Filipinos considering the expensive western medicines which most Filipinos could not afford. Herbal medicines has gained a wide acceptance and popularity among Filipinos in providing basic medical care.

The government has implemented the Cheaper Medicines Act and the creation of the Philippine Institute of Traditional and Alternative Health Care (PITAHC), a government owned and controlled corporation (GOCC) attached to the DOH to answer the present needs of Filipinos on health care. With this, Filipinos can now rely on herbal medicines which are available in abundance, locally. Not only that, this will also provide a good business opportunity for many local farmers.

The Department of Health through its Traditional Health Program has endorsed 10 herbal medicinal plants which have been thoroughly tested and have been clinically proven to have medicinal value in the relief and treatment of various ailments.

1. Akapulko (Cassia alata) – also known as “bayabas-bayabasan” and “ringworm bush” in English, this herbal medicine is used to treat ringworms and skin fungal infections.

2. Ampalaya (Momordica charantia) – known as “bitter gourd” or “bitter melon” in English, it most known as a treatment of diabetes (diabetes mellitus), for the non-insulin dependent patients.

3. Bawang (Allium sativum) – popularly known as “garlic”, it mainly reduces cholesterol in the blood and hence, helps control blood pressure.

4. Bayabas (Psidium guajava) – “guava” in English. It is primarily used as an antiseptic, to disinfect wounds. Also, it can be used as a mouth wash to treat tooth decay and gum infection.

5. Lagundi (Vitex negundo) – known in English as the “5-leaved chaste tree”. It’s main use is for the relief of coughs and asthma.

6. Niyog-niyogan (Quisqualis indica L.) – is a vine known as “Chinese honey suckle”. It is effective in the elimination of intestinal worms, particularly the Ascaris and Trichina. Only the dried matured seeds are medicinal -crack and ingest the dried seeds two hours after eating (5 to 7 seeds for children & 8 to 10 seeds for adults). If one dose does not eliminate the worms, wait a week before repeating the dose.

7. Sambong (Blumea balsamifera)- English name: Blumea camphora. A diuretic that helps in the excretion of urinary stones. It can also be used as an edema.

8. Tsaang Gubat (Ehretia microphylla Lam.) – Prepared like tea, this herbal medicine is effective in treating intestinal motility and also used as a mouth wash since the leaves of this shrub has high fluoride content.

9. Ulasimang Bato | Pansit-Pansitan (Peperomia pellucida) – It is effective in fighting arthritis and gout. The leaves can be eaten fresh (about a cupful) as salad or like tea. For the decoction, boil a cup of clean chopped leaves in 2 cups of water. Boil for 15 to 20 minutes. Strain, let cool and drink a cup after meals (3 times day).

10. Yerba Buena (Clinopodium douglasii) – commonly known as Peppermint, this vine is used as an analgesic to relive body aches and pain. It can be taken internally as a decoction or externally by pounding the leaves and applied directly on the afflicted area.

Tips on Handling Medicinal Plants / Herbs:

• If possible, buy herbs that are grown organically – without pesticides.

• Medicinal parts of plants are best harvested on sunny mornings. Avoid picking leaves, fruits or nuts during and after heavy rainfall.

• Leaves, fruits, flowers or nuts must be mature before harvesting. Less medicinal substances are found on young parts.

• After harvesting, if drying is required, it is advisable to dry the plant parts either in the oven or air-dried on screens above ground and never on concrete floors.

• Store plant parts in sealed plastic bags or brown bottles in a cool dry place without sunlight preferably with a moisture absorbent material like charcoal. Leaves and other plant parts that are prepared properly, well-dried and stored can be used up to six months.

Tips on Preparation for Intake of Herbal Medicines:

• Use only half the dosage prescribed for fresh parts like leaves when using dried parts.

• Do not use stainless steel utensils when boiling decoctions. Only use earthen, enamelled, glass or alike utensils.

• As a rule of thumb, when boiling leaves and other plant parts, do not cover the pot, and boil in low flame.

• Decoctions loose potency after some time. Dispose of decoctions after one day. To keep fresh during the day, keep lukewarm in a flask or thermos.

• Always consult with a doctor if symptoms persist or if any sign of allergic reaction develops.

Herbal Medicine Processing

HARVESTING OF RAW MATERIALS
Preferably, the plants are harvested during its flowering stage. Provided mostly by the Herbal Plant’s plantation, the supply of raw materials is being augmented by contract growers.

WASHING OF RAW MATERIALS
After harvesting, the plant materials are washed in clear running water to remove dust and other dirt particles.

DRYING
the raw materials are washed, spread on drying beds and are dried using a leaf dryer. Heat is regulated at a constant temperature of 60 degree Celsius.

GARBLING
Extraneous materials such as other parts of the plant, other particles and contaminants are removed by hand picking.

MILLING
The garbled material is milled using a rotor beater mill after which it is sieved.

PROCESSING
The milled powder then goes through a series of procedures mixing with binder, granulation, oven drying, sieving and addition of lubricant.

TABLETING
Compression of granules is done using a rotary tableting machine.

QUALITY CONTROL
Several quality control measures such as moisture content and weight variation test are taken in order to meet the required standards.

MICROASSAY
As quality control measure, microbiological tests are done to determine the presence of bacteria in the product.

BIOASSAY
Potency, toxicity and other drug properties are determined through animal experimentation.

PACKAGING AND DISTRIBUTION
After packaging and labeling, the finished products are stored for distribution to hospitals, GOs, NGOs, health centers, private companies and individuals.

For more Information:
PITAHC
Address: Unit 2402 Atlanta Centre, #31 Annapolis Street, Greenhills, San Juan 1503, Metro Manila
Telephone Numbers: (632) 727-2113
Telefax: (632) 727-7621 / 726-6377
Email Address: [email protected]

Sources: www.pia.gov.ph, www.philippineherbalmedicine.org, Philippine Institute of Traditional and Alternative Health Care (PITAHC), stuartxchange.org

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